Animal cells commonly have polysaccharides attached to ____ in their surface membranes
a. proteins
b. nucleic acids
c. lipids
d. both nucleic acids and lipids
e. both proteins and lipids
E
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Define and give examples of discontinuous and continuous phenotypic variation and explain how understanding of
these two concepts resulted in important advances in human geneticsWhat will be an ideal response?
Which of these carry incoming messages toward the cell body of a neuron?
A) axons B) dendrites C) actin filaments D) supporting cells
The process of clonal deletion is designed to
A. slow down the primary immune response to an antigen. B. limit the number of lymphocyte clones an individual has in order to make the system more efficient. C. slow down the immune system in the elderly. D. destroy clones of lymphocytes able to react to self molecules. E. slow down the secondary immune response to an antigen.
When a fragment breaks from a chromosome and rejoins it, in a flipped orientation, the result is called a/an:
A) polyploidy. B) aneuploidy. C) translocation. D) deletion. E) inversion.