The phase of the cell cycle in which proteins are synthesized, growth occurs, and regular cellular tasks are carried out is the __________ phase.
Fill in the blank(s) with the appropriate word(s).
G1 or first gap
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Which of the choices below is not a part of the hypothalamic-pituitary-gonadal axis?
A) thalamus B) hypothalamus C) anterior pituitary gland D) interstitial cells
What is tropomyosin?
A. a protein found along the groove of the F-actin double helix B. a T tubule and two adjacent terminal cisternae C. the combination of myosin heads with active sites on actin molecules D. the movement of myosin head while attached to actin myofilament E. after exercise, the oxygen taken in that exceeds the oxygen required for resting metabolism
One of the primary reasons that one individual is faster in a 50-meter sprint than another is due to
a. a greater number of muscle fibers of smaller diameter. b. more oxidative fibers in the lower limb muscles. c. an enhanced ability to deliver oxygen to the muscles. d. a greater percentage of fast-twitch fibers in the lower limb muscles.
During the first step of gene expression, an RNA copy of a gene is made. Which of the following represents the correct sequence produced from a gene segment with the following sequence: GAACTAAGC?
A. GAACUAAGC B. CTTGATTCG C. GUUCTUUGC D. CUUGAUUCG