The DNA of microorganisms is made up of subunits called
A. nucleotides.
B. histones.
C. mRNA.
D. polymerases.
E. amino acids.
Answer: A
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The distribution of terrestrial biomes on Earth depends mostly on ________
A) temperature B) rainfall C) both temperature and rainfall D) neither temperature nor rainfall; it depends on latitude and longitude
The portion of the electromagnetic spectrum visible to the human eye is known as ________.
Fill in the blank(s) with the appropriate word(s).
T or F: the axial skeleton is the same as the appendicular skeleton
What will be an ideal response?
What is not a function of parathyroid hormone?
A. It increases reabsorption of Ca2+ in the kidney. B. It increases calcium absorption across the intestine. C. It increases calcium production in the liver. D. It stimulates osteoclasts to dissolve calcium phosphate crystals in bone.