Which is not a class of T cells?
a. dendritic
b. cytotoxic
c. helper
d. regulatory
e. all of the above are types of T cells
A
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In fungi and plants
A) The cell wall controls osmotic swelling. B) The sodium-potassium pump regulates osmotic balance. C) Chemical messengers are not used to communicate. D) Collagen is used to build tissues.
The two main divisions of microscopic anatomy are
A. embryology and parasitology.?B. cytology and histology.?C. comparative anatomy and pathological anatomy.?D. neurobiology and surface anatomy.
The mechanism by which the body propels food through the digestive tract is primarily a topic of study for
A. anatomists.?B. physiologists.
An atom with 10 protons and which has lost 2 electrons is electrically neutral
Indicate whether the statement is true or false