A mutation has occurred in the sequence in the promoter region of a bacterial gene, such that the sequence TTGACA has been lost. What process will be most directly affected by this mutation?
A. splicing
B. translation initiation
C. transcription initiation
D. RNA polymerase II binding
Answer: C
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Osteocytes are bone cells. Collagen fibers and calcium salts are found in abundance between and among the osteocytes. The collagen and calcium salts are _____
A) components of the plasma membrane of osteocytes B) part of the extracellular matrix C) extensions of the endoplasmic reticulum D) deposited by the circulatory system but not associated with the osteocytes
Describe at least three direct and indirect ways in which the oceans influence the lives of humans
What will be an ideal response?
Which of the following statements concerning starvation is true?
a. Ketone bodies are rapidly produced. b. Fat metabolism is greatly reduced. c. There is a risk of the blood becoming too basic. d. There are too many phytochemicals in the blood. e. It is safe for obese individuals to undergo starvation
What happens to the lactic acid created during fermentation in human muscle cells?
A) It is directly converted into ATP. B) It donates a phosphate to ADP to recharge ATP. C) It goes to the liver, where it's converted into pyruvic acid. D) It joins with electrons and hydrogen ions to form H2O.