Red muscle fibers produce ATP mainly by aerobic respiration and their bright red color comes from ____
a. blood
b. hemoglobin
c. carbon dioxide
d. sarcomeres
e. myoglobin
e
Biology & Microbiology
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The neurotransmitter _____________________ functions in the areas of the brain associated with mood, attention, arousal and memory, and is associated with nicotine addiction
Fill in the blank(s) with correct word
Biology & Microbiology
The compounds involved in phototropism are ____
a. phototropins b. gibberellins c. cytokinins d. phytoestrogens e. statoliths
Biology & Microbiology
Mitochondrial disorders can be caused by mutations in all the following except
A. cytoplasmic DNA B. nuclear DNA C. mitochondrial DNA
Biology & Microbiology
The size and shape of a finch's beak correlates with its ________.
A. size B. choice of food C. choice of mates D. habitat
Biology & Microbiology