Which of the following is an important mineral ion that is a component of chloroplasts and stabilizer of membranes and ribosomes?
A. calcium
B. zinc
C. magnesium
D. iron
E. potassium
Answer: C
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What are the main by-products of cellular respiration?
A. Carbon dioxide and oxygen B. Oxygen and sugars C. Water and carbon dioxide D. Sugars and water
What is an estrous cycle?
What will be an ideal response?
"Gluconeogenesis" is the process in which
A. glucose levels are decreased in the blood through the breakdown of carbohydrates. B. glucose levels are decreased in the blood by synthesis of glucose from noncarbohydrate sources. C. glucose levels are increased in the blood by synthesis of glucose from noncarbohydrate sources. D. amino acids are generated for processes like building muscle tissue. E. glucose levels are increased in the blood through the breakdown of carbohydrates.
Fibers extending from cell pole to cell pole are called the
A. cleavage furrow. B. cell plate. C. cell equator. D. spindle.