The RNA molecule is made up of how many strands?

a. 1
b. 2
c. 3
d. 6
e. 12


A

Biology & Microbiology

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On a regional level, coastal areas generally experience ____ fluctuations in temperature compared to interior regions

of landmasses.

a. smaller daily but larger seasonal b. larger daily but smaller seasonal c. only larger daily d. smaller daily and seasonal e. larger daily and seasonal

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Which of the following organ systems is responsible for eliminating metabolic wastes from the body?

a. excretory system b. respiratory system c. nervous system d. excretory and respiratory system e. excretory, respiratory, and circulatory system

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Which of the following are the main decomposers of the world?

A. Bacteria B. Fungi C. Protistans D. A & B only E. A, B, & C

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Which term refers to the tough, pliable body of a lichen?

a. thallus b. arbuscule c. haustorium d. soredium

Biology & Microbiology