What separates the lungs from the thoracic cavity?

A. skeletal muscle
B. alveoli
C. pleurae
D. cartilaginous rings
E. bone


Answer: C

Biology & Microbiology

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A highly branched secondary structure is formed during:

A. attachment of a 5' cap to mRNA. B. attachment of poly(A) tails to mRNA. C. splicing of all classes of introns. D. splicing of group I and II introns.

Biology & Microbiology

A cerebrovascular accident causes damage to the ________

Fill in the blank(s) with correct word

Biology & Microbiology

Refer to the accompanying figure. How would the survivorship curve for elephants be represented?


a. The curve A
b. The curve B
c. The curve C
d. Either A or C, depending on the species
e. Elephant populations would be better represented by a curve falling between A and B.

Biology & Microbiology

In a food chain, primary consumers occupy the first trophic level

____________________ Indicate whether the statement is true or false.

Biology & Microbiology