Which of the following statements best summarizes the differences between RNA and DNA?
a. RNA is a protein and DNA is a nucleic acid.
b. DNA is a polymer and RNA is a monomer.
c. DNA comprises the genes, while RNA is a direct participant in the process of protein
synthesis.
d. RNA is a single-stranded form of DNA.
e. DNA is the primary energy currency of all cells.
C
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The study of genetic variations that affect people's responses to environmental agents, including man-made chemicals, is called ____________________
Fill in the blank(s) with correct word
An animal has segments, bilateral symmetry, pharyngeal slits, a post-anal tail, and a notochord. It must be a member of the phylum _____.
Fill in the blank(s) with the appropriate word(s).
When ____ comes in contact with acidic gastric juices, it is converted to ____, the main digestive enzyme of the
stomach. a. carboxyamylase; amylase b. amylase; carboxyamylase c. pepsin; pepsinogen d. pepsinogen; pepsin e. bolus; chyme
Fermentation can occur in the absence of living cells
Indicate whether the statement is true or false