The sum of all the chemical reactions that occur in a cell is called
A. metabolism.
B. denaturation.
C. synthesis.
D. emulsification.
Answer: A
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Our perception of the pull of gravity and linear acceleration is the result of
A) the pressure exerted by the otolithic organ on hair cells of the maculae. B) changes in the pressure exerted by the cupula on hair cells. C) vibrations of the tectorial membrane striking hair cells. D) the movement of the otolithic organ within the ampullae of the semicircular canals.
The function of mixing movements is to promote digestion and facilitate absorption
Indicate whether the statement is true or false
____________________ ____________________ is involved in the process of heredity.?
Fill in the blank(s) with correct word
Which of the following is true?
A. Much of the genome does not encode proteins. B. The genome consists of entirely protein-encoding genes. C. An amino acid encodes a gene. D. DNA has five types of nucleotide bases.