Which of the following regulates genes by binding directly to transcription factor proteins?
a. Growth hormone
b. Insulin
c. Steroid hormones
d. Epinephrine
Ans: c. Steroid hormones
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Based on the function of mitochondria, what substance is able to pass through the outer membrane of the mitochondria easily?
A. oxygen B. potassium ions C. sugars D. amino acids
Cats have no digestive enzymes in their mouths.
a. true b. false
Your alarm clock goes off once again, and it is 7 a.m. Which neural event sends the signal to your cortex for you to
know to hit the snooze button?
a. The number of alpha waves emitted by the brain increases. b. The number of theta waves emitted by the brain increases.
c. The reticular activating system sends stimuli to the cerebral cortex. d. The cerebellum sends stimuli to the cerebral cortex. e. The cerebellum sends stimuli to the limbic system.
The outcome of the process illustrated in Figure 26-2 is:
a. four new genetically identical cells that differ genetically from what they were before. b. four new but genetically distinct cells. c. two new genetically identical cells that differ genetically from what they were before. d. two new but genetically distinct cells. e. one male and one female cell.