All mammals rely on intestinal bacteria to synthesize
A. bile.
B. vitamin D.
C. some amino acids.
D. vitamin K.
E. calcium.
Answer: D
Biology & Microbiology
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A muscle that causes any type of movement in a joint when it contracts is called a(n) ____
a. flexor b. agonist c. depressor d. antagonist e. extensor
Biology & Microbiology
In a __________, water or some nutrient moves from
an environmental reservoir, through organisms, then back to the environment. Fill in the blank(s) with the appropriate word(s).
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Lactic Acid and Cavities
What will be an ideal response?
Biology & Microbiology
Which of the following components is involved in the initiation of transcription?
A) primer B) origin C) promoter D) start codon
Biology & Microbiology