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

Biology & Microbiology

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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.

Biology & Microbiology

During orgasm, which of the following stimulate a

feeling of pleasure? a. LH b. endorphins c. testosterone d. oxytocin e. all of these

Biology & Microbiology

Avery et al. (1944 ) determined that DNA is the genetic material in T2 bacteriophage

Indicate whether the statement is true or false

Biology & Microbiology

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.

Biology & Microbiology