Many genes encode proteins that are always needed by a cell, and therefore are always expressed. Such genes are
known as:
a. repressible.
b. promoter.
c. constitutive.
d. inducible.
e. operons.
c
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If the sunflowers represent 2400 calories, how many calories would be lost as heat as you
move from the first to the second trophic level?
a. 240 b. 2160 c. 90 d. 10
What type of cloning is used to create a new individual?
a. Reproductive b. Genetic c. Pharmaceutical d. Prophylactic e. Therapeutic
Mendel's monohybrid experiment results led to his law of __________.
Fill in the blank(s) with the appropriate word(s).
Gentamicin, streptomycin, tetracycline, clindamycin, and erythromycin are _______.
A. examples of antibiotics that inhibit protein synthesis B. examples of beta-lactamase susceptible antibiotics C. examples of aminoglycosides D. examples of antibiotics that are associated with a high incidence of liver toxicity