Which of the following is present when sperm penetration occurs?
Answer : A secondary oocyte
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The energy released from the hydrolysis of coenzyme A is conserved in the synthesis of ATP
Indicate whether the statement is true or false.
Target tissues for steroid hormones and thyroid hormones do not have membrane receptors for these
hormones because they
a. stimulate the cell by changes in electrical activity. b. are water soluble. c. enter the cell by ion channels. d. are small enough to diffuse directly into the cell. e. are soluble in the lipid bilayer.
The most successful animals that have ever
evolved are the
a. chordates. b. insects. c. humans. d. annelids. e. crustaceans
Four of the five answers listed below are related by a common source. Select the exception
a. glucocorticoids b. sex hormones c. cortisol d. adrenalin (epinephrine) e. mineralocorticoid