Specific immunity in the extracellular fluid is provide by mainly
A. IgG and IgM
B. IgM and IgD
C. IgA and IgE
D. IgD and IgA
E. IgE and IgG
A. IgG and IgM
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The process where two gametes fuse with each other in the process of fertilization to begin the life of a new organism is called
A. sexual reproduction. B. gametogenesis. C. asexual reproduction. D. X-linked inheritance. E. multicellularity.
The measure of the concentration of solutes in a solution is ____
a. tonicity b. osmosis c. hydrostatic pressure d. diffusion e. facilitated diffusion
You are a microbiologist working with a species of bacteria that can perform photosynthesis. You know that the enzymes needed to perform photosynthesis in plant cells are closely associated with the membranes in chloroplasts. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis?
a. I would expect to find the photosynthetic enzymes in the chloroplasts of the bacteria. b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria.
During the process of phosphorylation, ____.
A. a molecule gains a phosphate group B. a molecule synthesizes a phosphate group C. molecules become more stable D. molecules are passed to enzymes E. ADP is produced from ATP