What factor has the strongest influence on the cleavage pattern of an embryo?
A. viscosity of albumin
B. amount of yolk
C. maturity of cytoplasm
D. oxygen in air
B. amount of yolk
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The tails of some bacteriophage
A. exhibit oar-like motion that drives the phage genome into the cytoplasm of the host. B. include a tail sheath that shortens. C. rotate like flagella to drive the phage genome into the cytoplasm of the host. D. None of the choices are correct.
Identify the site indicated by the arrow in the diagram
a. complement binding site of an antibody b. antigen binding site of an antibody c. MHC binding site of an antigen d. complement binding site of T cell receptor e. MHC binding site of a T cell receptor
How many total chromatids are found in a human somatic cell nucleus during G2 phase?
What will be an ideal response?
The technique developed by Hans Christian Gram is important for bacterial
A. etiology. B. identification. C. classification. D. isolation. E. epidemiology.