What is meant by SINE in terms of chromosome structure? by LINE? Why are they called "repetitive"?
What will be an ideal response?
SINE = short interspersed elements, a moderately repetitive sequence class; LINE = long interspersed elements. Multiple copies exist—up to 900,000 Alu sequences, for example.
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The differences in inherited traits among individuals in a population are called _______
A. species variation B. genetic mutations C. genetic variation D. natural selection E. None of these
A mark-recapture program marked 10 individuals in the first catch. The second catch has a total of 8 individuals, 4 of which were recaptures. What is the estimate of total population size?
A. 22 B. 24 C. 42 D. 20 E. 40
You conduct an experiment in which you inactivate Ras proteins in fibroblast cells. Which of the
following is the most immediate consequence of this procedure? a. The fibroblasts synthesized excess G protein. b. The fibroblasts synthesized excess DAG. c. The fibroblasts no longer responded to calmodulin. d. The fibroblases no longer synthesized DNA in response to growth factors. e. The fibroblasts divided uncontrollably.
T or F: Muscles shorten by 50% to 70% of their resting length
What will be an ideal response?