What is basal metabolic rate?
a. the rate at which the body uses energy when exercising
b. a measurement designed to assess increased health risk associated with weight
c. the amount of calories consumed in one day
d. the rate at which the body uses energy when you are at rest
e. the rate at which energy is stored within the body
d
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If two genes have a lod score of 1.2, this indicates that they are most likely_____
a. disease causing genes b. linked on an autosome c. X-linked d. on separate chromosomes e. in separate genomes
Philodendron flowers pass electrons through a mitochondrial electron transport chain to generate heat. What step is bypassed in generating heat?
A. formation of a proton gradient B. transfer of electrons to oxygen C. excitation of electrons by sunlight D. donation of electrons to the electron transport chain E. release of electrons from water
Double fertilization occurs when
A. the sperm and tube nuclei fertilize the egg. B. one sperm fuses with the egg and the other sperm fuses with both polar nuclei. C. the polar nuclei fuse with the egg after it has fused with the sperm. D. two sperm cells fertilize the two polar nuclei.
In a humoral or antibody-mediated immune response, specific B cells are stimulated by Helper T cells to transform into plasma cells that secrete antibodies. What would be an important feature added to B cells In this transition process?
A) Duplication of specific gene sequences for the appropriate antibody. B) Increased rough endoplasmic reticulum in order to have the surface area needed for antibody production. C) Duplication of lysosomes in order to store the antibodies before transport.