By which molecular process do noninfective strains of bacteria acquire genes from infectious strains?
a. by nuclear division
b. by metaphase II
c. by double cross-overs
d. by meiosis
Ans: c. by double cross-overs
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A student encounters an animal embryo at the eight-cell stage. The four smaller cells that comprise one hemisphere of the embryo seem to be rotated 45 degrees and to lie in the grooves between larger, underlying cells. If we were to separate these eight cells and attempt to culture them individually, then what is most likely to happen?
What type of tissue contains mitochondria that can release energy as heat, rather than storing it in ATP?
a. skeletal muscle b. brown adipose tissue c. white adipose tissue d. epidermis e. dermis
In which pathway is the most NADH generated?
What will be an ideal response?
Joe cut his finger on a sharp twig and now is experiencing dolor. This means
A. pain. B. swelling. C. loss of function. D. redness. E. warmth.