When the presynaptic cell contacts a muscle cell, the synapse area is called a motor end plate.
a. true
b. false
Ans: a. true
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Which structure stores motile sperm?
A. epididymis B. seminal vesicle C. testis D. vas deferens E. prostate gland
Streptococcus pyogenes can be easily distinguished microscopically from other Streptococcus species
Indicate whether this statement is true or false.
Why is the distance of Earth from the sun so crucial for life as we know it?
a. The distance provides the optimal temperature for water to occur in a liquid form. b. The distance allows Earth's orbit to have a year of a reasonable length. c. The distance allows for multiple seasons in temperate climates, which was crucial for the emergence of chemicals used to build the first protocells. d. The distance provides ample opportunity for water to freeze into ice. e. The distance ensures that ample water is available for all of the organisms on Earth.
Joining small molecules (monomers) together to form longer chains (polymers) requires a process called
A. a hydrolysis reaction. B. a dehydration reaction. C. disassembly. D. emulsification. E. monomerization.