Sulfur is
a. found in proteins but not nucleic acids
b. found in bacteria but not viruses
c. found in viruses but not bacteria
d. found in nucleic acid but not proteins
e. needed for bacteriophages to attach to bacteria
Answer: a. found in proteins but not nucleic acids
You might also like to view...
If histones are extracted from DNA, what would remain?
A. DNA only B. DNA and tetranucleosomes C. DNA and chromosomal scaffolding proteins D. degraded segments of DNA
In order to prevent hair loss in men, one popular treatment is to use an inhibitor of the enzyme that converts
testosterone to a different androgen (DHT). The inhibitors are steroids similar to testosterone that cannot be converted into DHT. How would you classify this type of inhibition?
a. competitive inhibition b. noncompetitive inhibition c. allosteric inhibition d. feedback inhibition e. ionic inhibition
Which of the following statements about the egg cell is false?
a. It is relatively small compared to other body cells. b. It contains a haploid nucleus. c. It contains lipids. d. It contains mitochondria. e. It is located in a follicle.
The most common type of population
distribution is
a. clumped. b. uniform. c. random. d. near-uniform. e. semi-random