The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They contract to push sperm along the ductus deferens.
B) They regulate the temperature of the testes.
C) They are responsible for penile erection.
D) They contract to allow ejaculation.
B) They regulate the temperature of the testes.
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Indicate whether the statement is true or false
The fluid entering the distal convoluted tubule is hypoosmotic with respect to plasma
Indicate whether the statement is true or false.
What is the first part of the cell that is affected when the pH of extracellular fluid changes?
A) the nucleus B) the nucleolus C) the cytosol D) the plasma membrane E) the cytoskeleton
The folding of proteins occurs via the formation of weak ________ and ________ bonds between amino acids. Much stronger covalent bonds like ________ bonds can occur between ________ amino acids.
Fill in the blank(s) with the appropriate word(s).