When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible, thread-like mass called ________.
A. the nucleolus
B. nucleoplasm
C. chromatin
D. the nucleosome
E. the nuclear envelope
Answer: C
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Apes and monkeys differ in two noticeable characteristics. These characteristics are that apes have
A. opposable thumbs and monkeys do not, and apes have binocular vision and monkeys do not. B. opposable thumbs and monkeys do not, and apes have tails and monkeys do not. C. binocular vision and monkeys do not, and apes have tails and monkeys do not. D. larger brains than monkeys do, and monkeys have tails and apes do not. E. opposable thumbs and monkeys do not, and monkeys have larger brain capacity than apes do.
The c-Flip protein, a protein involved in mediating the cell-death pathway, comes in two forms: long (c-FLIPL) and short (c-FLIPS). Both forms appear to be involved in controlled apoptosis in normal cells. However, in colon cancer, the expression of c-FLIPL is associated with what notable characteristic?
a. death of cells surrounding the dying cell b. lesion formation and buildup of extracellular waste products c. increased cell growth d. replication of the genetic material without progression through mitosis
Which section of the pre-mRNA contains the protein-coding regions?
A. introns B. exons C. The entire pre-mRNA contains protein-coding regions. D. The pre-mRNA does not code for proteins at all.
What are the gamete types produced by an individual with genotype WWTtPp?
What will be an ideal response?