Chromosomes are attached to spindle microtubules by
a. centromeres.
b. kinetochores.
c. centrioles.
d. centrosomes.
Ans: a. centromeres.
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What do the producers of this ecosystem use as an energy source?
What will be an ideal response?The pituitary hormone associated most directly with metabolic rate plus growth and development is
a. ACTH. b. TSH. c. FSH. d. LH. e. ADH.
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is known as a: a. lek. b. home range. c. pride. d. territory. e. hive.
All steroids have ____.
A. the same number of double bonds B. one or more fatty acids C. four rings of carbon to which other atoms are attached D. the same functional groups E. the same number and positions of double bonds