Large molecules that are formed by combining smaller molecules and are biologically significant are referred to as what?

a. DNA
b. macromolecules
c. monomers
d. polymers


b. macromolecules

Biology & Microbiology

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Axons forming the optic nerve are derived from ____

a. amacrine cells b. horizontal cells c. bipolar cells d. vertical cells e. ganglion cells

Biology & Microbiology

Cells of bone tissue

What will be an ideal response?

Biology & Microbiology

Damage to the ground meristem of a plant would result in

A. an increase of gas exchange at the surface of the leaf. B. dehydration of the plant. C. inability to move sugar but not water through the plant. D. decreased sugar production. E. the inability to move water but not sugar through the plant.

Biology & Microbiology

Symptoms of immediate hypersensitivity (allergy) are caused by

a. release of chemical mediators by basophils. b. degranulation of neutrophils. c. release of chemical mediators by mast cells. d. degranulation of IgE.

Biology & Microbiology