What is the diaphysis of a long bone?
Answer: central shaft
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Choose the organelle in column 2 that best matches the activity in column 1.
A) There is no appropriate match. B) Mitochondria C) peroxisomes D) mitochondria E) there is no appropriate match F) lysosome G) smooth endoplasmic reticulum 1) test for catalase activity 2) test for the TCA cycle enzymes 3) test for the presence of cytochromes 4) look for fractions that are green 5) hydroxylation of compounds including phenobarbital 6) presence of acid hydrolases 7) ribulose bisphosphatase activity is present
Type A blood will NOT agglutinate when mixed
with a. type B blood. b. type A blood. c. type AB blood. d. type O blood. e. types A and AB.
A portion of an mRNA attached to a ribosome reads: 5? GACCAUUUUUGA 3? If a tRNA with a histidine amino acid attached is in the P site of the ribosome, a tRNA with which amino acid attached will enter the A site?
A) aspartic acid B) proline C) serine D) phenylalanine E) tyrosine
Action potentials move along axons _____
A) more slowly in axons of large than in small diameter B) by activating the sodium-potassium "pump" at each point along the axonal membrane C) more rapidly in myelinated than in non-myelinated axons D) by reversing the concentration gradients for sodium and potassium ions