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Stanley Miller 1953 Experiment
Views: 1917
Filesize: 350.49kB
Date: Apr 16, 2011
 Fossilized Bacteria
Views: 1215
Filesize: 174.63kB
Date: Apr 16, 2011
 Grass Germination
Views: 2868
Filesize: 289.4kB
Date: Apr 16, 2011
 Joachim Hämmerling
Views: 3413
Filesize: 36.92kB
Date: Apr 16, 2011
Baby Salamander
Views: 4264
Filesize: 61.74kB
Date: Apr 24, 2011
 tRNA
Views: 1203
Filesize: 16.98kB
Date: Apr 25, 2011
 Homer Evolution
Views: 2661
Filesize: 260.05kB
Date: May 1, 2011
 The internal female reproductive organs
Views: 11736
Filesize: 356.41kB
Date: May 5, 2011
Menstrual cycle summary based on a 28-day (average) menstrual cycle.
Views: 5650
Filesize: 210.93kB
Date: May 5, 2011
 Lateral view of the internal male reproductive organs.
Views: 11062
Filesize: 232.68kB
Date: May 5, 2011
 Steps involved in in vitro fertilization.
Views: 1278
Filesize: 71.29kB
Date: May 5, 2011
 Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking.
Views: 3888
Filesize: 151.44kB
Date: May 5, 2011
Transdermal patch.
Views: 1097
Filesize: 230.25kB
Date: May 5, 2011
 Laparoscopy for tubal sterilization.
Views: 991
Filesize: 107.46kB
Date: May 5, 2011
 Pelvic inflammatory disease. Chlamydia or gonorrhea spreads up the vagina into the uterus and then t
Views: 1481
Filesize: 155.71kB
Date: May 5, 2011
 Examples of pessaries. (A) Various shapes and sizes of pessaries available. (B) Insertion of one typ
Views: 3679
Filesize: 571.99kB
Date: May 5, 2011
Ovarian cancer.
Views: 1344
Filesize: 155.84kB
Date: May 5, 2011
 Common metastatic sites for ovarian cancer.
Views: 6987
Filesize: 197.34kB
Date: May 5, 2011
 Intimate partner violence documentation form. (
Views: 1289
Filesize: 266.76kB
Date: May 5, 2011
 Inheritance of gender.
Views: 1476
Filesize: 94.28kB
Date: May 5, 2011
Nucleoids within the bacterium Bacillus subtilis.
Views: 1186
Filesize: 91.44kB
Date: Jun 7, 2011
 The organization of nucleotide sequences in bacterial chromosomal DNA.
Views: 1275
Filesize: 87.24kB
Date: Jun 7, 2011
 The compaction of a bacterial chromosome.
Views: 6843
Filesize: 35.47kB
Date: Jun 7, 2011
 Plasmids in a bacterial cell.
Views: 1486
Filesize: 86.85kB
Date: Jun 7, 2011
Growth of a bacterial colony.
Views: 1308
Filesize: 148.08kB
Date: Jun 7, 2011
 Bacterial cell division.
Views: 11019
Filesize: 140.79kB
Date: Jun 7, 2011
 Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli.
Views: 4436
Filesize: 100.66kB
Date: Jun 7, 2011
 A U-tube apparatus like the one used by Bernard Davis.
Views: 5893
Filesize: 36.96kB
Date: Jun 7, 2011
Bacterial conjugation.
Views: 3735
Filesize: 205.3kB
Date: Jun 7, 2011
 The steps of bacterial transformation.
Views: 25669
Filesize: 131.78kB
Date: Jun 7, 2011
 The major classes of vertebrates
Views: 1511
Filesize: 67.81kB
Date: Jun 7, 2011
 Modern jawless fish
Views: 1861
Filesize: 56.36kB
Date: Jun 7, 2011
The evolution of the vertebrate jaw
Views: 6855
Filesize: 121.07kB
Date: Jun 7, 2011
 Generalized body plan of a bony fish
Views: 8381
Filesize: 69.58kB
Date: Jun 7, 2011
 The diversity of ray-finned fishes
Views: 1212
Filesize: 53.45kB
Date: Jun 7, 2011
 A lobe-finned fish, the coelacanth (Latimeria chalumnae)
Views: 1167
Filesize: 62.96kB
Date: Jun 7, 2011
An Australian lungfish (Neoceratodus forsteri)
Views: 1138
Filesize: 64.68kB
Date: Jun 7, 2011
 Features of the bird wing and feather
Views: 1531
Filesize: 54.37kB
Date: Jun 9, 2011
 Horns and antlers in mammals
Views: 1098
Filesize: 80.09kB
Date: Jun 9, 2011
 Amazing discoveries in biology
Views: 1992
Filesize: 259.77kB
Date: Jun 10, 2011
Seven characteristics are common to all life
Views: 1551
Filesize: 314.95kB
Date: Jun 10, 2011
 An example of vertical evolution: the horse
Views: 6185
Filesize: 62.15kB
Date: Jun 10, 2011
 An example of horizontal gene transfer: antibiotic resistance
Views: 1781
Filesize: 73.79kB
Date: Jun 10, 2011
 How the study of genomes and proteomes can provide us with connections to different biological level
Views: 1619
Filesize: 91.62kB
Date: Jun 10, 2011
Biological investigation at different levels
Views: 1688
Filesize: 298.42kB
Date: Jun 10, 2011
 Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
Views: 4637
Filesize: 120.52kB
Date: Jun 10, 2011
 Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
Views: 1552
Filesize: 109.13kB
Date: Jun 13, 2011
 A portion of the periodic table of elements
Views: 1251
Filesize: 65.9kB
Date: Jun 13, 2011
Polar covalent bonds in water molecules
Views: 4102
Filesize: 55.19kB
Date: Jun 13, 2011
 Structure of water and ice
Views: 7026
Filesize: 84.57kB
Date: Jun 13, 2011
 NaCl crystals dissolving in water
Views: 1667
Filesize: 79.81kB
Date: Jun 13, 2011
 Some amazing roles of water in biology
Views: 2650
Filesize: 280.63kB
Date: Jun 13, 2011
Wöhler and his crystals of urea
Views: 1053
Filesize: 107.64kB
Date: Jun 13, 2011
 Models for the electron orbitals and energy shells of carbon
Views: 1428
Filesize: 77.71kB
Date: Jun 13, 2011
 Types of isomers
Views: 1317
Filesize: 98.35kB
Date: Jun 13, 2011
 Polysaccharides that are polymers of glucose
Views: 1513
Filesize: 99.02kB
Date: Jun 13, 2011
Structure of cholesterol and steroid hormones derived from cholesterol
Views: 1519
Filesize: 169.09kB
Date: Jun 13, 2011
 The hierarchy of forces governing protein structure.
Views: 4421
Filesize: 85.06kB
Date: Jun 13, 2011
 Protein–protein interaction
Views: 1293
Filesize: 32.48kB
Date: Jun 13, 2011
 Anfinsen's experiments with ribonuclease demonstrating that the primary structure of a polypept
Views: 4417
Filesize: 147.21kB
Date: Jun 13, 2011
Nobel Prize Winners for Biology
Views: 1151
Filesize: 21.03kB
Date: Jun 13, 2011
 DNA Pioneers
Views: 887
Filesize: 34.86kB
Date: Jun 13, 2011
 Tissue necrosis following bite from Bothrops asper
Views: 2219
Filesize: 134.14kB
Date: Jun 14, 2011
 A comparison of the sizes of various chemical and biological structures, and the resolving power of
Views: 5327
Filesize: 50.51kB
Date: Jun 14, 2011
Micrographs of nerve cells taken with different types of light microscopes.
Views: 4601
Filesize: 111.54kB
Date: Jun 14, 2011
 General structure of an animal cell
Views: 9099
Filesize: 154.63kB
Date: Jun 14, 2011
 General structure of a plant cell
Views: 13617
Filesize: 125.33kB
Date: Jun 14, 2011
 Chromosome territories in the cell nucleus
Views: 2649
Filesize: 33.3kB
Date: Jun 14, 2011
Formation and structure of a peroxisome
Views: 3679
Filesize: 69.49kB
Date: Jun 14, 2011
 Intermediate filaments
Views: 1258
Filesize: 33.74kB
Date: Jun 14, 2011
 Motor proteins and their interactions with cytoskeletal filaments.
Views: 3885
Filesize: 88.39kB
Date: Jun 14, 2011
 The four interacting parts of eukaryotic cells.
Views: 6733
Filesize: 94.03kB
Date: Jun 17, 2011
A simplified pathway for the synthesis of membrane phospholipids at the ER membrane
Views: 4192
Filesize: 68.67kB
Date: Jun 17, 2011
 Mechanisms of lipid transfer throughout a eukaryotic cell
Views: 1571
Filesize: 88.46kB
Date: Jun 17, 2011
 Insertion of membrane proteins into the ER membrane
Views: 4399
Filesize: 126.25kB
Date: Jun 17, 2011
 Overview of protein targeting
Views: 1313
Filesize: 120.98kB
Date: Jun 17, 2011
An electron micrograph from an experiment demonstrating the function of a tight junction
Views: 1218
Filesize: 93.55kB
Date: Jun 17, 2011
 Use of fluorescent molecules by Lowenstein and colleagues to determine the size of gap-junction chan
Views: 1405
Filesize: 169.89kB
Date: Jun 17, 2011
 Semifluidity of the lipid bilayer.
Views: 3636
Filesize: 51.87kB
Date: Jun 20, 2011
 Different types of membrane proteins.
Views: 1693
Filesize: 86.87kB
Date: Jun 20, 2011
A method to measure the lateral movement of membrane proteins.
Views: 1727
Filesize: 136.47kB
Date: Jun 20, 2011
 Fluorescence recovery after photobleaching (FRAP).
Views: 5657
Filesize: 101.82kB
Date: Jun 20, 2011
 Relative permeability of an artificial phospholipid bilayer to a variety of solutes.
Views: 5029
Filesize: 106.74kB
Date: Jun 20, 2011
 The discovery of aquaporins, water channels made of a transmembrane protein.
Views: 1448
Filesize: 105.28kB
Date: Jun 20, 2011
Different ways that gated channels can be opened.
Views: 1147
Filesize: 199.58kB
Date: Jun 20, 2011
 Mechanism of transport by a transporter, also called a carrier.
Views: 1381
Filesize: 94.87kB
Date: Jun 20, 2011
 Types of transporters based on the direction of transport.
Views: 1330
Filesize: 134.24kB
Date: Jun 20, 2011
 Transporters that function as pumps.
Views: 1424
Filesize: 83.31kB
Date: Jun 20, 2011
Examples of energy
Views: 1208
Filesize: 44.65kB
Date: Jun 20, 2011
 Activation energy of a chemical reaction
Views: 2651
Filesize: 87.53kB
Date: Jun 20, 2011
 An overview of glucose metabolism
Views: 1558
Filesize: 65.46kB
Date: Jun 20, 2011
 Overview of glycolysis
Views: 1613
Filesize: 41.51kB
Date: Jun 20, 2011
Overview of glycolysis
Views: 1272
Filesize: 56.44kB
Date: Jun 20, 2011
 Overview of glycolysis
Views: 1342
Filesize: 50.12kB
Date: Jun 20, 2011
 Overview of the citric acid cycle
Views: 1253
Filesize: 53.38kB
Date: Jun 20, 2011
 The relationship between free energy and electron movement along the electron transport chain
Views: 4692
Filesize: 70.51kB
Date: Jun 20, 2011
The Racker and Stoeckenius experiment showing that an H+ electrochemical gradient drives ATP synthes
Views: 8543
Filesize: 85.09kB
Date: Jun 20, 2011
 An example of anaerobic respiration in E. coli
Views: 9280
Filesize: 111.41kB
Date: Jun 20, 2011
 Examples of fermentation
Views: 1187
Filesize: 67.82kB
Date: Jun 20, 2011
 Terpenoids as secondary metabolites
Views: 1259
Filesize: 88.14kB
Date: Jun 20, 2011
Energy cycle of the biosphere
Views: 8135
Filesize: 36.17kB
Date: Jun 21, 2011
 An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
Views: 6332
Filesize: 140.96kB
Date: Jun 21, 2011
 Absorption of light energy by an electron
Views: 1280
Filesize: 27.23kB
Date: Jun 21, 2011
 Structures and properties of pigment molecules
Views: 1437
Filesize: 61.03kB
Date: Jun 21, 2011
The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th
Views: 1486
Filesize: 164.52kB
Date: Jun 21, 2011
 A closer look at the structure and function of photosystem II
Views: 1632
Filesize: 104.57kB
Date: Jun 21, 2011
 The synthesis of O2, ATP, and NADPH by the concerted actions of photosystems II and I
Views: 3128
Filesize: 124.87kB
Date: Jun 21, 2011
 The enhancement effect observed by Emerson.
Views: 4644
Filesize: 46.41kB
Date: Jun 21, 2011
The Z scheme, which depicts the energy of an electron as it moves from photosystem II to NADP+
Views: 8101
Filesize: 42.15kB
Date: Jun 21, 2011
 The determination of the Calvin cycle by using labelling of CO2 with 14C
Views: 2166
Filesize: 115.07kB
Date: Jun 21, 2011
 The Calvin Cycle Was Determined by Isotope Labelling Methods
Views: 2483
Filesize: 47.45kB
Date: Jun 21, 2011
 An example of a two-component regulatory system in bacteria
Views: 4374
Filesize: 117.92kB
Date: Jun 21, 2011
The epidermal growth factor (EGF) pathway that promotes cell division
Views: 5031
Filesize: 93.39kB
Date: Jun 21, 2011
 A signal transduction pathway involving diacylglycerol (DAG), inositol trisphosphate (IP3), and chan
Views: 2626
Filesize: 94.3kB
Date: Jun 21, 2011
 Discovery of apoptosis in the adrenal cortex by Kerr, Wyllie, and Currie
Views: 1747
Filesize: 129.99kB
Date: Jun 21, 2011
 Griffith's experiments that showed the transformation of bacteria by a “transfor
Views: 7601
Filesize: 132.29kB
Date: Jun 23, 2011
The Avery, MacLeod, and McCarty experiments that identified DNA as Griffith's transformation pr
Views: 7883
Filesize: 122.12kB
Date: Jun 23, 2011
 The structure of T2 bacteriophage
Views: 12169
Filesize: 88.98kB
Date: Jun 23, 2011
 Hershey and Chase experiment showing that the genetic material of T2 phage is DNA
Views: 3557
Filesize: 92.02kB
Date: Jun 23, 2011
 Conventional numbering in a DNA nucleotide
Views: 7342
Filesize: 26.23kB
Date: Jun 23, 2011
The Meselson and Stahl experiment showing that DNA replication is semiconservative
Views: 2593
Filesize: 162.25kB
Date: Jun 23, 2011
 Origins of replication in the chromosomes of different organisms
Views: 1406
Filesize: 72.77kB
Date: Jun 23, 2011
 DNA replication is bidirectional from each origin, creating two forks per origin
Views: 1487
Filesize: 210.29kB
Date: Jun 23, 2011
 Enzymatic feature of DNA polymerase
Views: 1206
Filesize: 66.44kB
Date: Jun 23, 2011
Telomere sequences at the end of a human chromosome
Views: 4658
Filesize: 42.24kB
Date: Jun 23, 2011
 Enzymatic features of DNA polymerase that account for its inability to copy one of the DNA strands a
Views: 1470
Filesize: 71.63kB
Date: Jun 23, 2011
 Mechanism of DNA replication by telomerase
Views: 1321
Filesize: 200.89kB
Date: Jun 23, 2011
 The metabolic pathway that breaks down phenylalanine and its relationship to certain genetic disease
Views: 5962
Filesize: 121.17kB
Date: Jun 23, 2011
The transcription of three different genes that are found in the same chromosome.
Views: 1597
Filesize: 52.42kB
Date: Jun 23, 2011
 Leder's experiment showing the binding of mRNA to DNA that contains an intron
Views: 2096
Filesize: 88.09kB
Date: Jun 23, 2011
 Nirenberg and Leder's use of triplet binding assays to decipher the genetic code
Views: 9555
Filesize: 111.63kB
Date: Jun 24, 2011
 Bacterial ribosomes
Views: 1510
Filesize: 167.98kB
Date: Jun 24, 2011
Comparison of small subunit rRNA gene sequences from three eukaryotes and three bacterial species
Views: 1443
Filesize: 99.17kB
Date: Jun 24, 2011
 Initiation stage of translation in bacteria
Views: 6157
Filesize: 135.35kB
Date: Jun 24, 2011
 An overview of the stages of translation
Views: 1487
Filesize: 64.26kB
Date: Jun 24, 2011
 Elongation stage of translation in bacteria
Views: 3351
Filesize: 190.7kB
Date: Jun 24, 2011
Termination stage of translation in bacteria
Views: 3858
Filesize: 113.49kB
Date: Jun 24, 2011
 Examples of different cell types in humans
Views: 1183
Filesize: 37.2kB
Date: Jun 24, 2011
 Overview of points of control for gene regulation in (a) prokaryotes and (b) eukaryotes
Views: 1512
Filesize: 96.42kB
Date: Jun 24, 2011
 The lac operon
Views: 4819
Filesize: 69.32kB
Date: Jun 24, 2011
The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant
Views: 6622
Filesize: 116.04kB
Date: Jun 24, 2011
 Positive regulation of the lac operon by the catabolite activator protein (CAP)
Views: 1476
Filesize: 113.33kB
Date: Jun 24, 2011
 Effects of lactose and glucose on the expression of the lac operon
Views: 3972
Filesize: 74.16kB
Date: Jun 24, 2011
 A common organization of sequences for the promoter of a eukaryotic structural gene
Views: 3774
Filesize: 48.13kB
Date: Jun 24, 2011
Interaction of transcription factors with DNA
Views: 1320
Filesize: 135.46kB
Date: Jun 24, 2011
 Alternative splicing as a regulatory method for RNA processing
Views: 1542
Filesize: 36.04kB
Date: Jun 24, 2011
 Translational regulation of ferritin mRNA by the iron regulatory protein (IRP)
Views: 5859
Filesize: 110.34kB
Date: Jun 24, 2011
 The effects of germ-line versus somatic cell mutations.
Views: 10553
Filesize: 89.64kB
Date: Jun 25, 2011
Formation and structure of a thymine dimer
Views: 3985
Filesize: 63.85kB
Date: Jun 25, 2011
 An individual affected by xeroderma pigmentosum
Views: 1165
Filesize: 121.69kB
Date: Jun 25, 2011
 Oocyte maturation in certain species of frogs
Views: 1233
Filesize: 69.13kB
Date: Jun 25, 2011
 The experimental approach used by Masui and Markert to identify cyclin and cyclin-dependent kinase (
Views: 2506
Filesize: 151.21kB
Date: Jun 25, 2011
The progression and effects of cancer.
Views: 1204
Filesize: 72.34kB
Date: Jun 25, 2011
 General features of a growth factor or hormone signalling pathway that promotes cell division
Views: 1817
Filesize: 63.75kB
Date: Jun 25, 2011
 Ras signalling activity is governed by bound GDP/GTP
Views: 1516
Filesize: 40.38kB
Date: Jun 25, 2011
 Genetic changes that convert proto-oncogenes to oncogenes
Views: 1494
Filesize: 226.94kB
Date: Jun 25, 2011
A missense mutation that converts the normal ras gene into an oncogene.
Views: 1570
Filesize: 52.48kB
Date: Jun 25, 2011
 The formation of a chimeric gene that is found in people with certain forms of leukemia.
Views: 1345
Filesize: 59.94kB
Date: Jun 25, 2011
 Progression of changes leading to lung cancer
Views: 1855
Filesize: 133.07kB
Date: Jun 25, 2011
 A comparison between chromosomes found in a normal human cell and a cancer cell from the same person
Views: 1831
Filesize: 38.55kB
Date: Jun 25, 2011
Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti
Views: 4968
Filesize: 125.89kB
Date: Jun 25, 2011
 Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti
Views: 3107
Filesize: 30.91kB
Date: Jun 25, 2011
 A molecular model showing chromosome territories in the cell nucleus of humans
Views: 1612
Filesize: 38.17kB
Date: Jun 25, 2011
 A molecular model showing chromosome territories in the cell nucleus of humans
Views: 3612
Filesize: 75.88kB
Date: Jun 25, 2011
Examples of covalent modifications that occur to the amino terminal tails of histone proteins. The a
Views: 1648
Filesize: 72.22kB
Date: Jun 25, 2011
 Replication and compaction of chromosomes into pairs of sister chromatids.
Views: 1937
Filesize: 95.66kB
Date: Jun 25, 2011
 Types of variation in chromosome number.
Views: 6041
Filesize: 109.41kB
Date: Jun 25, 2011
 Gregor Johann Mendel, the father of genetics
Views: 1425
Filesize: 34.26kB
Date: Jun 27, 2011
Flower structure in pea plants
Views: 10318
Filesize: 67.52kB
Date: Jun 27, 2011
 Mendel's procedure for cross-fertilizing pea plants
Views: 5315
Filesize: 52.3kB
Date: Jun 27, 2011
 How the law of segregation of alleles explains Mendel's observed ratios
Views: 4294
Filesize: 91.84kB
Date: Jun 27, 2011
 Two hypotheses for the assortment of two different genes
Views: 1275
Filesize: 148.67kB
Date: Jun 27, 2011
Different mechanisms of sex determination in animals.
Views: 1775
Filesize: 126.72kB
Date: Jun 27, 2011
 How genes produce proteins that determine traits in a simple dominant-recessive relationship.
Views: 1651
Filesize: 90.82kB
Date: Jun 27, 2011
 Pattern baldness
Views: 419146
Filesize: 65.18kB
Date: Jun 27, 2011
 The locations of genetic material in animal and plant cells.
Views: 1724
Filesize: 154.96kB
Date: Jun 27, 2011
Maternal inheritance in the four-o'clock plant.
Views: 6531
Filesize: 123.96kB
Date: Jun 27, 2011
 The inheritance of snail coiling direction as an example of a maternal effect gene.
Views: 6733
Filesize: 100.1kB
Date: Jun 27, 2011
 The mechanism of maternal effect in snail coiling.
Views: 3372
Filesize: 64.05kB
Date: Jun 27, 2011
 Lytic and lysogenic cycles of bacteriophages.
Views: 13477
Filesize: 57.63kB
Date: Jun 27, 2011
A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
Views: 4810
Filesize: 112.69kB
Date: Jun 27, 2011
 The organization of nucleotide sequences in bacterial chromosomal DNA.
Views: 1405
Filesize: 87.24kB
Date: Jun 27, 2011
 Growth of a bacterial colony.
Views: 1316
Filesize: 148.08kB
Date: Jun 27, 2011
 Three Mechanisms of Gene Transfer Found in Bacteria
Views: 1459
Filesize: 40.56kB
Date: Jun 27, 2011
Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli
Views: 4949
Filesize: 100.66kB
Date: Jun 27, 2011
 A U-tube apparatus like the one used by Bernard Davis.
Views: 6371
Filesize: 36.96kB
Date: Jun 27, 2011
 Pattern development in a human embryo
Views: 1409
Filesize: 154.87kB
Date: Jun 28, 2011
 Overview of segmentation in Drosophila
Views: 6195
Filesize: 66.02kB
Date: Jun 28, 2011
Conservation and colinearity of homeotic genes
Views: 1184
Filesize: 58.68kB
Date: Jun 28, 2011
 Growth pattern of stem cells
Views: 2079
Filesize: 51.68kB
Date: Jun 28, 2011
 Occurrence of stem cells at different stages of mammalian development
Views: 2000
Filesize: 149kB
Date: Jun 28, 2011
 Davis, Weintraub, and Lasser and the promotion of muscle cell differentiation in fibroblasts by the
Views: 1365
Filesize: 121.45kB
Date: Jun 28, 2011
Radial pattern of shoot growth in plants
Views: 1528
Filesize: 55.36kB
Date: Jun 28, 2011
 The technique of Southern blotting
Views: 1288
Filesize: 147.67kB
Date: Jun 28, 2011
 The use of bacteria to make human insulin
Views: 1718
Filesize: 159.84kB
Date: Jun 28, 2011
 DNA fingerprinting
Views: 996
Filesize: 33.52kB
Date: Jun 28, 2011
Fossil and modern stromatolites: evidence of autotrophic cyanobacteria.
Views: 1320
Filesize: 204.66kB
Date: Jun 29, 2011
 A fossil of the first known feathered vertebrate, Archaeopteryx, which emerged in the Jurassic perio
Views: 1144
Filesize: 132.75kB
Date: Jun 29, 2011
 Evolutionary changes in the shape of oyster shells.
Views: 3760
Filesize: 66.19kB
Date: Jul 12, 2011
 Evolutionary changes that led to the modern horse.
Views: 2338
Filesize: 125.29kB
Date: Jul 12, 2011
Examples of convergent evolution.
Views: 1367
Filesize: 266.38kB
Date: Jul 12, 2011
 An example of anatomical homology: homologous structures found in vertebrates.
Views: 9560
Filesize: 82.95kB
Date: Jul 12, 2011
 A comparison between anagenesis and cladogenesis: two patterns of speciation.
Views: 9389
Filesize: 42.68kB
Date: Jul 14, 2011
 Relationship between Hox gene number and body complexity in different types of animals.
Views: 1678
Filesize: 76.97kB
Date: Jul 14, 2011
Formation of additional eyes in Drosophila caused by the abnormal expression of a master control gen
Views: 4115
Filesize: 52.68kB
Date: Jul 14, 2011
 Web spun by spider fed with prey containing caffeine
Views: 1274
Filesize: 63.65kB
Date: Jul 23, 2011
 Web spun by spider fed with prey containing marijuana
Views: 1021
Filesize: 73.12kB
Date: Jul 23, 2011
 Overview of blood flow through vessels in a closed circulatory system.
Views: 1311
Filesize: 32.59kB
Date: Jul 30, 2011
Energy of Electron according to Electron Shells
Views: 3200
Filesize: 148.31kB
Date: Sep 16, 2011
 Bothrops asper Snake
Views: 931
Filesize: 28.98kB
Date: Sep 14, 2011
 Teres Major & Teres Minor
Views: 5067
Filesize: 45.02kB
Date: Oct 21, 2011
 Orca
Views: 713
Filesize: 241.05kB
Date: Nov 2, 2011
plant and animal cells when hypertonic and hypotonic
Views: 1166
Filesize: 9.1kB
Date: Nov 7, 2011
 John Hopkins University
Views: 1186
Filesize: 256.93kB
Date: Dec 18, 2011
 Lacks Family Currently
Views: 992
Filesize: 106.65kB
Date: Dec 18, 2011
 Hematopoesis
Views: 4647
Filesize: 102.56kB
Date: Jan 7, 2012
Sea Cucumber
Views: 751
Filesize: 196.51kB
Date: Jan 7, 2012
 Peristalsis
Views: 6533
Filesize: 17.07kB
Date: Jan 9, 2012
 Geeky Fun
Views: 2700
Filesize: 81.02kB
Date: Feb 13, 2012
 V838 Monocerotis
Views: 804
Filesize: 913.06kB
Date: Feb 19, 2012
Why people don't stop smoking
Views: 1310
Filesize: 47.79kB
Date: Mar 15, 2012
 Gram + or Gram -
Views: 2314
Filesize: 143.87kB
Date: Mar 23, 2012
 Mitosis Vs. Meiosis
Views: 3446
Filesize: 87kB
Date: Mar 28, 2012
 Allopatric Speciation VS. Sympatric Speciation
Views: 10319
Filesize: 102.62kB
Date: Mar 28, 2012
The Sulfur Cycle
Views: 9015
Filesize: 130.42kB
Date: Jan 26, 2013
 Nyctyornis amictus
Views: 807
Filesize: 119.36kB
Date: May 15, 2012
 Owl butterfly egg
Views: 749
Filesize: 179.43kB
Date: May 10, 2013
 Hypertension
Views: 290
Filesize: 37.99kB
Date: Oct 1, 2017
Hibiscus
Views: 2226
Filesize: 33.96kB
Date: Aug 22, 2012
 Starfish?
Views: 807
Filesize: 1.24MB
Date: Aug 30, 2012
 Allergic response by allergens.
Views: 1177
Filesize: 124.69kB
Date: Sep 4, 2012
 Role of CD23 on epithelial cells in the pathogenesis of food allergic disease.
Views: 2362
Filesize: 170.6kB
Date: Sep 4, 2012
Prostate Cancer Cell
Views: 2360
Filesize: 1.28MB
Date: Sep 7, 2012
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Date: Sep 7, 2012
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Date: Sep 7, 2012
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Insects Under the Electron Microscope
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Date: Sep 7, 2012
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Insects Under the Electron Microscope
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 Insects Under the Electron Microscope
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Date: Sep 7, 2012
Insects Under the Electron Microscope
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Date: Sep 7, 2012
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Date: Sep 12, 2012
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Date: Dec 29, 2012
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Date: Sep 18, 2012
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Date: Sep 18, 2012
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Date: Sep 24, 2012
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Date: Sep 27, 2012
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Date: Sep 30, 2012
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Date: Oct 4, 2012
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Date: Oct 14, 2012
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Date: Oct 19, 2012
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Date: Mar 4, 2014
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Date: Nov 7, 2012
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Date: Dec 29, 2012
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Date: Dec 29, 2012
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Date: Jan 6, 2013
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Date: Jan 15, 2013
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Date: Jan 23, 2013
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Date: Jan 26, 2013
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Date: Aug 11, 2013
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Date: Mar 17, 2013
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Date: Apr 1, 2013
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Date: Apr 1, 2013
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Date: Apr 1, 2013
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Date: Apr 1, 2013
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Date: Apr 1, 2013
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Date: Apr 1, 2013
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Date: Apr 5, 2013
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Date: Apr 8, 2013
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Date: May 4, 2013
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Date: May 4, 2013
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Date: May 4, 2013
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Date: May 4, 2013
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Date: May 8, 2013
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Date: May 10, 2013
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Date: May 10, 2013
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Date: Jun 17, 2013
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Date: Jun 30, 2013
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Date: Jul 5, 2013
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Date: Jul 20, 2013
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Date: Aug 7, 2013
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Date: Aug 7, 2013
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Date: Aug 7, 2013
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Date: Aug 7, 2013
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Date: Aug 7, 2013
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Date: Aug 7, 2013
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Date: Aug 11, 2013
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Date: Aug 24, 2013
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Date: Oct 27, 2013
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Date: Dec 18, 2013
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Date: Jan 2, 2014
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Date: Jan 10, 2014
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Date: Jan 28, 2014
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Date: Jan 31, 2014
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Date: Feb 21, 2014
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Date: Feb 25, 2014
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Date: Aug 28, 2014
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Date: Mar 23, 2014
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Date: Oct 14, 2014
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Date: Oct 16, 2014
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Date: Oct 25, 2014
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Date: Dec 11, 2014
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Date: Mar 1, 2015
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Date: Sep 8, 2017
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Date: Apr 12, 2015
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Date: Feb 21, 2016
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Date: Jan 22, 2022
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Date: Oct 18, 2016
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Date: Nov 1, 2016
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Date: Nov 12, 2016
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