Which type of cell has phagocytic capabilities in the central nervous system?
A. Astrocytes
B. Schwann cells
C. Neurons
D. Microglial cells
E. Macrophages
Answer: D
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The endocrine system functions in
a. conduction. b. contraction. c. hormonal control of the body. d. protection against disease. e. cell production.
The induced-fit model
A) was proposed by Hans Buchner. B) distorts the shape of the enzyme and the substrate. C) is also called the lock-and-key model. D) states that enzyme–substrate interactions are rigid. E) proposes that very strong covalent bonds are formed upon substrate binding.
Shabir has been diagnosed with diabetes mellitus type 2 and will have his blood tested within the next 2 weeks. He has been warned by his physician to stay on a specific diet, but he loves desserts that are not on his recommended treatment plan
You see him eating a huge piece of birthday cake, and when questioned, he says that his doctor will never know because he will fast for a few days before his blood glucose test and fool the physician. What blood test might the physician order to detect Shabir's deception? A) hemoglobin A1c B) white blood cell count C) HDL D) electrolytes
How would the cDNA created in a lab compare to the original DNA?
A) It would contain only the genes that were producing proteins in the cell at the time the cDNA was created. B) It would be identical to the original DNA. C) It would be a single strand instead of the original double-stranded DNA. D) It would be circular, similar to bacterial DNA.