In carbohydrates, electrons are shared unequally between oxygen and hydrogen atoms (electrons are more strongly attracted to the oxygen). Would you predict that glucose is soluble or insoluble in water?
a. soluble
b. insoluble
a
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Which of the following is an enzyme used in cloning that breaks covalent bonds?
A. DNA ligase B. restriction endonuclease C. reverse transcriptase D. DNA polymerase I E. polynucleotide kinase
In a molecule of methane, CH4, each hydrogen atom shares an orbital with the carbon atom. The total
number of shared electrons in CH4 is ____.
a. 4 b. 2 c. 1 d. 8 e. 5
At night, CAM plants incorporate CO2 into __________, which is stored in the __________ of their
cells. a. fructose; vacuoles b. acetyl CoA; mitochondria c. glucose; starch granules d. pyruvate; starch granules e. malate; vacuoles
Which of the following events occurs in the lytic cycle of bacteriophage T4 infection but NOT in the lysogenic cycle?
A) attachment B) entry C) digestion of host DNA D) viral protein synthesis E) both digestion of host DNA and viral proteins synthesis