Consider the cellular process illustrated in the accompanying figure. What substance would most likely be used to
transport?
a. glucose
b. bacteria
c. hormones
d. potassium ions
e. carbon dioxide
c
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When ATP energizes biochemical reactions, it transfers its ________ to the molecule being made more reactive
a. outermost phosphorous atom b. outermost phosphate group c. ribose d. adenine
The main natural source of phosphorus is
a. Earth's crust. b. fertilizer. c. guano. d. legumes. e. water.
What is true about about mammalian red blood cells?
A. Red blood cells are also called leukocytes. B. A mature red blood cell is shaped like a biconcave disc because it has no nucleus. C. Red blood cells develop from lymphoid stem cells. D. Red blood cells contain albumin. E. Aged red blood cells are removed from the blood by the kidneys.
The cochlea is a coiled structure with fluid-filled ducts that holds the mechanoreceptors responsible for hearing in its
__________. Fill in the blank(s) with the appropriate word(s).