Matter composed of a single type of atom is known as a(n)

A) element.
B) mineral.
C) molecule.
D) compound.
E) electron.


A

Biology & Microbiology

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The __________ uses blood glucose as its major source of energy.

Fill in the blank(s) with the appropriate word(s).

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An extracellular ground substance is characteristic of

a. muscle tissue. b. epithelial tissue. c. connective tissue. d. nervous tissue. e. embryonic tissue.

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The ground tissue lacking in the primary eudicot root is:

a. pith b. periderm c. cortex d. vascular cambium e. pericycle

Biology & Microbiology

What part of a bacterial cell does a simple stain attach to?

A. Plasma membrane B. Cytoplasm C. Nucleoid D. Cell Wall

Biology & Microbiology