Science

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Which of the following is a feature of prokaryotic cells but not eukaryotic cell Started by Mr. Wonderful	2 Replies 769 Views	Apr 25, 2014 by Mr. Wonderful
What type of microscope would be best for studying the detailed structure of the Started by Mr. Wonderful	2 Replies 849 Views	Apr 25, 2014 by Mr. Wonderful
Which theory states that all living things are composed of cells? A) cell theory Started by Mr. Wonderful	2 Replies 914 Views	Apr 25, 2014 by Mr. Wonderful
The ability to tolerate lactose throughout life is most likely to be seen in ___ Started by Mr. Wonderful	2 Replies 851 Views	Apr 25, 2014 by Mr. Wonderful
How does RNA differ from DNA? A) RNA is double-stranded; DNA is single-stranded. Started by Mr. Wonderful	2 Replies 686 Views	Apr 25, 2014 by Mr. Wonderful
If one strand of a DNA double helix has the sequence AGTACTG, what will be the s Started by Mr. Wonderful	2 Replies 987 Views	Apr 25, 2014 by Mr. Wonderful
Which of the following is true with regard to a DNA molecule? A) The amount of a Started by Mr. Wonderful	2 Replies 665 Views	Apr 25, 2014 by Mr. Wonderful
DNA nucleotides include ______. A) uracil, guanine, adenine, and cytosine B) thy Started by Mr. Wonderful	2 Replies 620 Views	Apr 25, 2014 by Mr. Wonderful
A specific stretch of DNA that programs the amino acid sequence of a polypeptide Started by Mr. Wonderful	2 Replies 783 Views	Apr 25, 2014 by Mr. Wonderful
Nucleic acids are polymers of ______ monomers. A) monosaccharide B) fatty acid C Started by Mr. Wonderful	2 Replies 534 Views	Apr 25, 2014 by Mr. Wonderful
A protein's function is dependent on its ______. A) pH B) shape C) size D) weigh Started by Mr. Wonderful	2 Replies 1,793 Views	Apr 25, 2014 by Mr. Wonderful
What is the name given to the reaction that breaks peptide bonds? A) dehydration Started by Mr. Wonderful	2 Replies 881 Views	Apr 25, 2014 by Mr. Wonderful
Amino acids include a side group as well as ______. A) a central carbon, a hydro Started by Mr. Wonderful	2 Replies 1,032 Views	Apr 25, 2014 by Mr. Wonderful
Proteins are polymers constructed from ______ monomers. A) hydrocarbon B) amino Started by Mr. Wonderful	2 Replies 682 Views	Apr 25, 2014 by Mr. Wonderful
A fat that is hydrogenated is ______. A) more unsaturated B) easier to digest C) Started by Mr. Wonderful	2 Replies 899 Views	Apr 25, 2014 by Mr. Wonderful
______ is a steroid. A) Butter B) Sucrose C) Amino acid D) Estrogen Started by Mr. Wonderful	2 Replies 1,394 Views	Apr 25, 2014 by Mr. Wonderful
Which of the following is a function of the plasma membrane? A) regulate the tra Started by Mr. Wonderful	1 Replies 463 Views	Apr 25, 2014 by K@
______ are the major lipids of plasma membranes. A) Steroids B) Fatty acids C) M Started by Mr. Wonderful	1 Replies 942 Views	Apr 25, 2014 by K@
When mixed with water, phospholipids spontaneously form membranes because they _ Started by Mr. Wonderful	1 Replies 873 Views	Apr 25, 2014 by K@
The extracellular matrix of animal cells ______. A) protect and support cells B Started by Mr. Wonderful	1 Replies 1,241 Views	Apr 24, 2014 by K@
The nuclear envelope is composed of ______. A) chromatin B) DNA C) a double memb Started by Mr. Wonderful	1 Replies 1,070 Views	Apr 24, 2014 by K@
The structural combination of DNA and protein forms ______. A) nucleoli B) nucle Started by Mr. Wonderful	1 Replies 981 Views	Apr 24, 2014 by K@
Most human cells contain ______ chromosomes. A) 36 B) 46 C) 2 D) 23 Started by Mr. Wonderful	1 Replies 517 Views	Apr 24, 2014 by K@
Which of the following structures manufactures the components of ribosomes? A) n Started by Mr. Wonderful	1 Replies 926 Views	Apr 24, 2014 by K@
Where does protein synthesis take place? A) in the nucleolus B) on smooth endopl Started by Mr. Wonderful	1 Replies 561 Views	Apr 24, 2014 by K@