What are the projections on epithelial tissue
that increase the surface area?
a. cilia
b. microvilli
c. flagella
d. pseudopodia
e. exocrines
B
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A hydrocarbon skeleton is covalently bonded to an amino group at one end and a carboxyl group at the other end. When placed in water this molecule would function _____
A) only as an acid because of the carboxyl group B) only as a base because of the amino group C) as an acid and a base D) as neither an acid nor a base E) It is impossible to determine how it would function, based on the provided information.
What type of fertilization occurs during sexual reproduction in rotifers?
a. internal b. external
Mycorrhizae
a. benefit plant growth. b. are an example of mutualism. c. receives sugars from its plant partner. d. increase the surface area for absorption. e. are described by all of these
The significance of totipotency is that:a
genes are not regularly lost during development. b. most organisms can be easily cloned. c. differentiation leads to the loss of certain genes in each cell. d. somatic cells are incapable of differentiation. e. unexpressed genes are lost during developm