The molecule that forms temporary structures where proteins are assembled is ____
a. DNA
b. mRNA
c. rRNA
d. tRNA
e. dRNA
ANSWER: c
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Which one of the following are muscles that can contract, making the lens rounder to focus on close objects, and can relax to flatten the lens, enabling focus on distant objects?
A. iris B. lens muscles C. ciliary muscles D. lateral rectus muscle
Which type of chromosome has the shortest p arm of the chromosome?
A. Acrocentic B. Metacentric C. Telocentric D. Submetacentric
Blood flows from the efferent arterioles directly into the peritubular capillaries
____________________ Indicate whether the statement is true or false.
Which of the following statements about kinetochores is true?
(a) Kinetochores assemble onto chromosomes during late prophase. (b) Kinetochores contain DNA-binding proteins that recognize sequences at the telomere of the chromosome. (c) Kinetochore proteins bind to the tubulin molecules at the minus end of microtubules. (d) Kinetochores assemble on chromosomes that lack centromeres.