As a cell increases in size, the surface area ________ and the volume ________.
Fill in the blank(s) with the appropriate word(s).
squares; cubes
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Hormone X activates the cAMP second messenger system in its target cells. The greatest response by a cell would come from _____
A) applying a molecule of hormone X to the extracellular fluid surrounding the cell B) injecting a molecule of hormone X into the cytoplasm of the cell C) applying a molecule of cAMP to the extracellular fluid surrounding the cell D) injecting a molecule of cAMP into the cytoplasm of the cell E) injecting a molecule of activated, cAMP-dependent protein kinase into the cytoplasm of the cell
The usual cause of genital herpes is
A. herpes simplex virus type 1. B. herpes simplex virus type 2. C. herpes simplex virus type 3. D. herpes simplex virus type 4.
Sucrose is composed of:
a. a molecule of glucose and galactose. b. two molecules of glucose. c. a molecule of glucose and a molecule of fructose. d. a molecule galactose and fructose. e. two molecules of fructose.
Genes for antibiotic resistance can be found in antibiotic-producing bacteria as well as in non-antibiotic-producing bacteria.
Answer the following statement true (T) or false (F)