Underground stems with fleshy leaves used for storage of water and food are known as:

a. tendrils.
b. spines.
c. bulbs.
d. buds.
e. stipules


c

Biology & Microbiology

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The lampreys are unusual vertebrates in that they have no

(a) eyes. (b) jaws. (c) gill slits. (d) mouth.

Biology & Microbiology

Match the following items with the correct phrases.

_______1. Semisynthetic penicillins that are known as penicillinase-resistant penicillins. _______2. Examples of antibiotics that inhibit cell wall synthesis. _______3. Semisynthetic penicillins that are not resistant to penicillinase. _______4. Examples of antibiotics that inhibit protein synthesis. _______5. Examples of antibiotics produced by molds. a. penicillin, bacitracin, cephalosporins, vancomycin b. ampicillin and carbenicillin c. methicillin, oxacillin, cloxacillin, nafcillin d. tetracycline, chloramphenicol, erythromycin, streptomycin e. penicillin and cephalosporins, but not bacitracin and vancomycin

Biology & Microbiology

Which of the following is a macronutrient?

a. Boron b. Zinc c. Copper d. Calcium e. Iron

Biology & Microbiology

The cochlea is a coiled structure with fluid-filled

ducts that holds the mechanoreceptors responsible for hearing in its __________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology