Implanting pig extracellular matrix in a damaged human thigh can help muscle tissue regrow.

a. true
b. false


Ans: a. true

Biology & Microbiology

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Which of the following is not an example of a fungal pathogen?

A. endophytes B. smuts C. rusts D. athlete's foot E. vascular wilt fungus

Biology & Microbiology

Darwin was influenced by which concept attributable to Charles Lyell?

a. The geological history of Earth is a series of catastrophes. b. Acquired characteristics can be inherited. c. Natural selection operates on the tremendous variation found in nature. d. All life forms a part of a great Chain of Being. e. Gradual geologic forces formed the earth's current landscape over a long period of time.

Biology & Microbiology

The human body must maintain a constant pH. In the blood, bicarbonate serves as a(n) ________ to help maintain the necessary pH

A) acid B) buffer C) solvent D) base

Biology & Microbiology

Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization.

Answer the following statement true (T) or false (F)

Biology & Microbiology