How do vesicles carrying proteins destined for secretion move to the plasma membrane?
A. by diffusion
B. They swim with flagella.
C. along actin
D. They swim with cilia.
E. along microtubules
E. along microtubules
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Refer to the accompanying figure. What major function is associated with this type of tissue?
a. protecting underlying cells from abrasion b. moving of materials along a tissue surface c. producing secretions such as mucus and sweat d. secreting and absorbing e. strengthening
All individuals of a species express the same degree of plasticity.
a. true b. false
The process of ____________________ equalizes the amount of X chromosome gene products in both sexes
Fill in the blank(s) with correct word
Irradiation of cells with ultraviolet light may cause
A. four nucleotides to covalently bind together. B. thymine dimers. C. adenine complementary base pairing with cytosine. D. the addition of uracil.