A muscle will ________ if levels of calcium and potassium decrease in the blood
Fill in the blank(s) with correct word
cramp
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The filtration step in the formation of urine for animals sorts materials only by
A. overall size with cells and proteins usually being kept out of the filtrate. B. whether they are charged or not. C. whether the substance in question is a waste product or not. D. whether they contain nitrogen or not. E. the hydration state of the body.
Define a (molecular) probe and describe its use to identify a specific nucleic acid sequence
What will be an ideal response?
Every year, incoming solar energy is __________
the energy that is stored in all known fossil reserves. a. half b. one-fourth c. twice d. five times e. ten times
What is the purpose of the cristae of the inner membrane of mitochondria?
a. To store food b. Tto transport waste c. To metabolize lipids d. To increase surface area e. To break down nutrients