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Lateral view of the internal male reproductive organs.
Views: 11260
Filesize: 232.68kB
Date: May 5, 2011
 Examples of pessaries. (A) Various shapes and sizes of pessaries available. (B) Insertion of one typ
Views: 3887
Filesize: 571.99kB
Date: May 5, 2011
 The formation of gametes by the process of meiosis is known as gametogenesis.
Views: 10595
Filesize: 187.35kB
Date: May 5, 2011
 Nucleoids within the bacterium Bacillus subtilis.
Views: 1289
Filesize: 91.44kB
Date: Jun 7, 2011
A U-tube apparatus like the one used by Bernard Davis.
Views: 6081
Filesize: 36.96kB
Date: Jun 7, 2011
 The major classes of vertebrates
Views: 1678
Filesize: 67.81kB
Date: Jun 7, 2011
 Micrographs of nerve cells taken with different types of light microscopes.
Views: 4827
Filesize: 111.54kB
Date: Jun 14, 2011
 Motor proteins and their interactions with cytoskeletal filaments.
Views: 4053
Filesize: 88.39kB
Date: Jun 14, 2011
Amoeboid movement promoted by changes in the locations of actin filaments.
Views: 10648
Filesize: 72.43kB
Date: Jun 14, 2011
 Movement of myosin-coated beads along actin filaments.
Views: 2634
Filesize: 146.86kB
Date: Jun 14, 2011
 The four interacting parts of eukaryotic cells.
Views: 6942
Filesize: 94.03kB
Date: Jun 17, 2011
 Different types of membrane proteins.
Views: 1864
Filesize: 86.87kB
Date: Jun 20, 2011
A method to measure the lateral movement of membrane proteins.
Views: 1915
Filesize: 136.47kB
Date: Jun 20, 2011
 Relative permeability of an artificial phospholipid bilayer to a variety of solutes.
Views: 5234
Filesize: 106.74kB
Date: Jun 20, 2011
 The phenomenon of osmosis.
Views: 7239
Filesize: 67.49kB
Date: Jun 20, 2011
 Wilting in plants.
Views: 2618
Filesize: 65.15kB
Date: Jun 20, 2011
Transporters that function as pumps.
Views: 1537
Filesize: 83.31kB
Date: Jun 20, 2011
 Modifications that occur at the ends of mRNA in eukaryotic cells.
Views: 1398
Filesize: 53.93kB
Date: Jun 23, 2011
 The effects of germ-line versus somatic cell mutations.
Views: 10779
Filesize: 89.64kB
Date: Jun 25, 2011
 The importance of histones and scaffolding proteins in the compaction of eukaryotic chromosomes.
Views: 3292
Filesize: 156.91kB
Date: Jun 25, 2011
Examples of covalent modifications that occur to the amino terminal tails of histone proteins. The a
Views: 1815
Filesize: 72.22kB
Date: Jun 25, 2011
 Replication and compaction of chromosomes into pairs of sister chromatids.
Views: 2162
Filesize: 95.66kB
Date: Jun 25, 2011
 The eukaryotic cell cycle and cell division in an organism with six chromosomes.
Views: 5411
Filesize: 81.85kB
Date: Jun 25, 2011
 Features of normal metaphase chromosomes.
Views: 1590
Filesize: 122.14kB
Date: Jun 25, 2011
Nondisjunction during the formation of haploid cells.
Views: 2186
Filesize: 80.79kB
Date: Jun 25, 2011
 A comparison of alloploidy (seen in species hybrids) and new allopolyploid species.
Views: 7163
Filesize: 99.07kB
Date: Jun 25, 2011
 Polyploidy has been an important factor in the evolution of plants.
Views: 6969
Filesize: 55.94kB
Date: Jun 25, 2011
 Different mechanisms of sex determination in animals.
Views: 2158
Filesize: 126.72kB
Date: Jun 27, 2011
The locations of genetic material in animal and plant cells.
Views: 1906
Filesize: 154.96kB
Date: Jun 27, 2011
 Plastid composition of egg cells from green, white, and variegated four-o'clock plants.
Views: 3721
Filesize: 110.88kB
Date: Jun 27, 2011
 Some viruses that cause human diseases.
Views: 1698
Filesize: 125.93kB
Date: Jun 27, 2011
 Variations in the structure of viruses.
Views: 1913
Filesize: 169.54kB
Date: Jun 27, 2011
Comparison of the steps of two viral reproductive cycles.
Views: 2328
Filesize: 108.5kB
Date: Jun 27, 2011
 Comparison of the steps of two viral reproductive cycles.
Views: 1524
Filesize: 88.04kB
Date: Jun 27, 2011
 Lytic and lysogenic cycles of bacteriophages.
Views: 13670
Filesize: 57.63kB
Date: Jun 27, 2011
 A proposed molecular mechanism of prion diseases.
Views: 1649
Filesize: 169.73kB
Date: Jun 27, 2011
A U-tube apparatus like the one used by Bernard Davis.
Views: 6885
Filesize: 36.96kB
Date: Jun 27, 2011
 Limb development in humans.
Views: 7315
Filesize: 62.53kB
Date: Jun 28, 2011
 Evolutionary changes in the shape of oyster shells.
Views: 4079
Filesize: 66.19kB
Date: Jul 12, 2011
 The evolution of an endemic island species from a mainland species.
Views: 1405
Filesize: 176.25kB
Date: Jul 12, 2011
Results of selective breeding for oil content in corn plants.
Views: 2684
Filesize: 98.56kB
Date: Jul 12, 2011
 The Grants' investigation of natural selection in finches.
Views: 1457
Filesize: 90.5kB
Date: Jul 12, 2011
 An example of anatomical homology: homologous structures found in vertebrates.
Views: 9929
Filesize: 82.95kB
Date: Jul 12, 2011
 Relationship between Hox gene number and body complexity in different types of animals.
Views: 1906
Filesize: 76.97kB
Date: Jul 14, 2011
Alveoli
Views: 992
Filesize: 378.28kB
Date: Oct 14, 2012
 s. epidermidis
Views: 1087
Filesize: 134.07kB
Date: Apr 8, 2013
 The nucleic acids DNA and RNA are made from chains of nucleotides.
Views: 4122
Filesize: 155.06kB
Date: Sep 8, 2014
 Latest Post Display
Views: 999
Filesize: 532.69kB
Date: Mar 17, 2016
Statistics Center (07/2016)
Views: 596
Filesize: 54.87kB
Date: Jul 12, 2016
 Biology Forums Promotional Flyer (2018)
Views: 472
Filesize: 296.03kB
Date: Jun 6, 2018
 Functional Regions of the Human Brain
Views: 252
Filesize: 153.76kB
Date: Sep 14, 2023
 Self-Pollination vs. Insect Pollination
Views: 247
Filesize: 317.48kB
Date: Sep 21, 2023
Ray-Finned Fishes: Gar
Views: 176
Filesize: 125.38kB
Date: Oct 4, 2023
 Each enzyme functions best within a characteristic range of pH
Views: 642
Filesize: 133.09kB
Date: Jun 13, 2024
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