1)Which of the following statements about chromatids is true?
a. They are replicated chromosomes still joined together at the centromere.
b. They are identical in mitotic chromosomes.
c. They undergo recombination in mitosis.
d. They are identical in meiotic chromosomes.
e. Both a and b
2)In a metaphase chromosome, DNA is combined with _______, called _______, to form structures known as _______.
a. proteins; nucleoproteins; centrosomes
b. nucleic acids; nucleosomes; histones
c. proteins; histones; nucleosomes
d. small molecules; histones; nucleosomes
e. proteins; nucleosomes; histones
a. They are replicated chromosomes still joined together at the centromere.
b. They are identical in mitotic chromosomes.
c. They undergo recombination in mitosis.
d. They are identical in meiotic chromosomes.
e. Both a and b
2)In a metaphase chromosome, DNA is combined with _______, called _______, to form structures known as _______.
a. proteins; nucleoproteins; centrosomes
b. nucleic acids; nucleosomes; histones
c. proteins; histones; nucleosomes
d. small molecules; histones; nucleosomes
e. proteins; nucleosomes; histones
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1. e
2. c
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2. c
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