In each nephron of the kidney, the glomerulus and Bowman's capsule __________.
a. filter the blood and capture the filtrate
b. reabsorb water into the blood
c. break down harmful toxins and poisons
d. reabsorb salts and nutrients
e. refine and concentrate the urine for excretion
Ans: a. filter the blood and capture the filtrate
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CAM and C4 have evolved multiple times in a range of vascular plants because __________. (Select all correct answer options.)
A. no novel enzymes or biochemical pathways are required B. C4 and CAM photosynthesis likely evolved from C3 ancestors C. gene expression changed D. land plants evolve rapidly
Because more than one codon can specify the same amino acid, the genetic code is said to be
A. repetitive. B. redundant. C. reverse. D. degenerate. E. degrading.
Skeletal muscle cells are multinucleate, meaning that each cell contains many nuclei
1.True 2.False
The final shape of a protein is very important to its function. When proteins undergo an irreversible change in shape called ________________ they ________________ perform their usual functions.
A) naturation/can B) naturation/cannot C) denaturation/can D) denaturation/cannot E) dehydration reaction/cannot