Gastrulation results in the formation of:
A. a bilaminar embryo consisting of the
epiblast and the hypoblast.
B. a trilaminar embryo consisting of the
epiblast, the mesoblast, and the hypoblast.
C. a gastrula consisting of a trilaminar
embryo.
D. a trilaminar embryo consisting of
ectoderm, endoderm, and mesoderm.
E. a bilaminar gastrula consisting of the
epiblast and the hypoblast.
D
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__________________ Indicate whether the statement is true or false.
A patient has a leg wound that is seeping and emitting a strong odor. The doctor suspects Clostridium bacteria may be present. What type of staining procedure might be used?
A) simple stain B) spore stain C) negative stain D) acid-fast stain
Neurotransmitters are
A) released from a nerve cell and diffuse across a synaptic gap to influence the target cells. B) released from gap junctions directly into the cytoplasm of the connected cell. C) chemicals released from certain cells that travel via the blood to target cells. D) chemicals released by cells into the surrounding extracellular fluid and affect only other nearby cells. E) electrical signals that move between adjacent cells.
The degree to which a microbe is able to cause disease is known as its (morbidity/virulence/toxicity)
What will be an ideal response?