Which of the following proteins are likely to act as gene repressors?
(a) MetA only
(b) MetB only
(c) MetC only
(d) Both MetA and MetC
Answer: (b) MetB only
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A diploid individual carrying two identical alleles at a given gene locus is called
A. homologous. B. heterozygous. C. homozygous. D. dihybrid.
During orgasm, which of the following stimulate a
feeling of pleasure? a. LH b. endorphins c. testosterone d. oxytocin e. all of these
Avery et al. (1944 ) determined that DNA is the genetic material in T2 bacteriophage
Indicate whether the statement is true or false
All of the statements below are true. Select the statement that best supports the view of most biologists that viruses are nonliving.
a) The viral genome may be single-stranded or double-stranded RNA or DNA. b) Viruses are obligate intracellular parasites. c) An isolated virus is unable to replicate its genes or regenerate ATP.