Solutions containing pure alcohol or water-alcohol mixtures are called aqueous.

a. true
b. false


Answer: b. false

Biology & Microbiology

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Which molecule carries an anticodon?

A. DNA B. mRNA C. rRNA D. tRNA

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Human diploid cells have ____ chromosomes while human gametes have ____ chromosomes

a. 46; 23 b. 23; 46 c. 96; 48 d. 48; 96

e. 46; 92

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A new hormone is discovered. Tests reveal that it is small, hydrophilic, and degraded by a protease. What type of hormone is it? 

A. peptide B. amino acid derivative C. steroid D. glucocorticoid E. prostaglandin

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Which of the following plants is a biennial?

a. corn b. geranium c. sunflower d. marigold e. carrot

Biology & Microbiology