Some companies that produce paper will also produce a by-product that is sold as a binder (something that binds, or holds, things together). From which part of trees does this by-product come?

A) leaves
B) mycorrhizae
C) lignin
D) stomata


C

Biology & Microbiology

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Environmental effects have no impact on true-breeding, homozygous strains (inbred lines) of plants or animals

A. true B. false

Biology & Microbiology

What is a negative feedback mechanism. Give an example of a negative feedback mechanism that occurs when body temperature drops

What will be an ideal response?

Biology & Microbiology

Blood contains

a. dissolved gases. b. dissolved nutrients. c. dissolved hormones. d. all of the above.

Biology & Microbiology

On the basis of the principle of complementary base pairing, you would expect the percentage of _____ to be equal to the percentage of _____.

a. adenine ... thymine b. adenine ... guanine c. thymine ... guanine d. adenine ... cytosine e. thymine ... cytosine

Biology & Microbiology