Male gametophytes are produced by which of the following processes?
A. meiosis
B. mitosis
C. neither mitosis nor meiosis
D. gametogenesis
E. microsporophyte generation
B. mitosis
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Segments of polypeptides that are retained following protein splicing are called
A) introns. B) exons. C) inteins. D) exteins. E) cleaved.
Which of the following is NOT a compound?
a. salt b. sugar c. carbon d. oxygen gas e. water
If we continued to follow the cell lineage from question 4, then the DNA content at metaphase of meiosis II would be
A) 0.25x. B) 0.5x. C) x. D) 2x. E) 4x.
Clots in our blood can lead to a heart attack or stroke by blocking blood flow. If a clot were made up of a mass of proteins, what change in the proteins led to the formation of a clot?
A) The proteins became more polar. B) The blood became saturated with proteins. C) The proteins were no longer soluble in the blood. D) The proteins became more soluble in the blood.