Which of the following events occur(s) during the
follicular phase of the menstrual cycle?
a. An ovarian follicle enlarges.
b. A zona pellucida forms around the oocyte.
c. An oocyte completes meiosis I.
d. Estrogen levels increase.
e. All of these occur.
Answer: e
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Which event occurs during the elongation
stage? a. Peptide bonds form. b. Free amino acids bind to the mRNA binding site. c. Anticodons bind to complementary codons. d. A STOP codon enters the ribosome. e. Peptide bonds form, and anticodons bind to complementary codons
The portion of the genome that encodes proteins is called the ____________. Fill in the blank(s) with the appropriate word(s)
Which of the following describes a red pigment?
a. It can reflect the green wavelength. b. It cannot reflect the red wavelength. c. It cannot reflect the green wavelength. d. It can reflect the red wavelength.
If the human population faces potential extinction, cloning of humans is the only technology that will save us?
a. true b. false