Only autosomal trisomies involving chromosomes 13, 18, and 21 are survivable. Why would this be?
A. These are redundant chromosomes.
B. These are relatively short chromosomes.
C. These chromosomes have no genes.
D. These are relatively gene-poor chromosomes.
E. These are relatively long chromosomes.
Answer: D
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During depolarization of the plasma membrane,
A. Na+ moves rapidly out of the cell. B. Na+ moves rapidly into the cell. C. membrane permeability to Na+ decreases. D. K+ moves rapidly out of the cell. E. the outside of the cell becomes positively charged relative to the inside.
Which of the following is a possible complication of renal failure?
A. Anemia B. Hypercalcemia C. Hypotension D. Myxedema
A( n ) _____ is a laboratory test used to help diagnosis various lymphatic disorders.
Select one: a. CBC b. HLA c. RIA d. x-ray
You pick up a vertebra to identify it and note that the transverse processes contain foramina. This unique feature identifies the vertebra as coming from the ________ region of the vertebral column
A) lumbar B) cervical C) sacral D) thoracic