The microtubules making up the mitotic spindle attach to specialized structures called ____ that are found in the centromere region of the chromosome.

a. nucleosomes
b. centrosomes
c. kinetochores
d. chromatids
e. centrioles


ANSWER: c

Biology & Microbiology

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a. arteries; veins c. veins; arteries b. arterioles; venules d. capillaries; arterioles

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Pain receptors are classified as ____

a. Pacinian corpuscle b. free nerve endings c. muscle spindle d. Merkel’s discs e. Meissner’s corpuscle

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The right and left medial nasal prominences fuse to form all of the following structures, EXCEPT

A. Ala of Nose B. Columella of Nose C. Crest of Nose D. Philtrum of Upper Lip E. Tip of Nose

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Oxygen is always required for the regeneration of NAD from NADH.

Answer the following statement true (T) or false (F)

Biology & Microbiology