Which of the following proteins is NOT required for homologous recombination?
A) Hfr
B) RecA
C) proteins having helicase activity
D) endonuclease
Answer: A
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To remove noncoding sequences in the pre-mRNA of eukaryotes, multiple snRNPs combine with proteins to form a larger complex called the ___________ .
A. 5' cap B. introsome C. ribosome D. spliceosome E. 3' poly-A tail
Muscle cells are stimulated by acetylcholine released from the terminals of
A. transverse tubules. B. motor cell axons. C. sensory cell axons. D. motor cell dendrites. E. sensory cell dendrites.
________ is the transfer of energy from one place or form to another place or form.
Fill in the blank(s) with the appropriate word(s).
Four of the five answers listed below are macronutrients. Select the exception
a. phosphorus b. sulfur c. nitrogen d. copper e. magnesium