What is the structure that holds the chromatids together?

A. karyotype
B. centromere
C. chromatin
D. chromosomes
E. none of these


Answer: B

Biology & Microbiology

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Magnetoreceptors ____

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An individual muscle cell is called a _____

1.fascicle 2.muscle fiber 3.myofibril 4.sarcomere

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A gill is indicated by letter

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology