________________ is defined as an organism's expressed physical traits.

a) Phenotype
b) Genotype
c) Heritable trait
d) None of the above


Ans: a) Phenotype

Biology & Microbiology

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The purpose of the penicillin binding proteins is to link phospholipids together in the cellular membrane.

Answer the following statement true (T) or false (F)

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All of the following are directly used as alternative substrates for glycolysis except

A) galactose. B) mannose. C) ribose. D) fructose. E) both choices A and C

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The ____ is a protective structure where sperm cells are formed in bryophytes and some other plants

a. antheridium b. stoma c. strobilus d. sporangium e. archegonium

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What results when nitrogen dioxide and

hydrocarbons react in the presence of sunlight? a. photochemical smog b. industrial smog c. a thermal inversion d. depletions of the ozone layer e. any of these

Biology & Microbiology