The first successful outcome of gene therapy was in a case of a young girl suffering from ____________________, who was supplied with normal copies of the ADA gene
Fill in the blank(s) with correct word
SCID
severe combined immunodeficiency
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Which was present first?
a. mitochondria b. aerobic respiration c. chloroplasts d. fungi e. photosynthesis
In which of the following cases would DNA
profiling be used?
a. to reconstruct population dispersals b. to identify the remains of dead people c. to solve crimes d. to trace ethnic hertiages e. to do all of these
With __________, an animal modifies a voluntary behavior in response to the behavior's consequences. Fill in the blank(s) with the appropriate word(s)
Which of the following statements about the regulation of respiration is false?
a. Respiratory centers in the medulla control the transition from inspiration to expiration. b. Carbon dioxide concentration is the most important chemical stimulus for regulating respiratory rate. c. Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in the blood. d. A group of neurons in the ventral medulla only become active when we need to breathe forcefully. e. Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion concentration.