Which of the following is NOT found in every

nucleotide?
a. ribose
b. a phosphate group
c. a single-ring base
d. a double-ring base
e. nitrogen


A

Biology & Microbiology

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HBV is mainly spread by

A. blood. B. blood products. C. semen. D. saliva. E. blood, blood products AND semen.

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In plants, phloem is associated with transport of:

a. water only. b. dissolved sugars. c. water and minerals. d. minerals only. e. plant hormones only.

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

____________________ Indicate whether the statement is true or false.

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As the baby's body temperature rose, I became very concerned that the increase in heat energy would 

A. cause the baby's proteins to denature. B. force me to place her in a lukewarm bath to help remove the excess heat energy in a slow, controlled fashion. C. require me to give a non-aspirin medication that would help control fever. D. All the choices are correct.

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