Which term refers to the DNA sequence onto which proteins and enzymes bind to initiate transcription?
a. Promoter
b. Intron
c. Polymerase
d. Exon
a. Promoter
Promoter refers to the DNA sequence onto which proteins and enzymes bind to initiate transcription.
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Intermediate filaments anchor the proteins actin and myosin that are involved in
a. muscle contraction. b. digestion. c. detoxification. d. oxygen transport. e. flagellar movement.
In meiosis chromosomes containing sister chromatids (not homologous chromosomes) align along the center of the cell during
A. prophase I. B. prophase II. C. interphase II. D. metaphase I. E. metaphase II.
Sympatric populations evolve reproductive isolation easily
a. true b. false
Which of the following describes the function of the bacterial cytoskeleton?
A) Facilitating cell division B) Localizing proteins to certain sites in the cell C) Determining cell shape D) All of the above