Organisms are composed of molecules, which are collections of smaller units, termed:

A. electrons.
B. polymers.
C. ions.
D. atoms.
E. monomers.


Answer: D

Biology & Microbiology

You might also like to view...

All cells are fundamentally similar at a structural level

Using the accompanying diagram of a generalized human cell, name as many of the numbered labels as you can to illustrate this idea.

Biology & Microbiology

Penicillin is toxic to certain dividing bacterial cells because it prevents cell wall formation, causing the

cells to burst. This indicates that the bacteria live in: a. a hypotonic medium. b. a hypertonic medium. c. an isotonic medium. d. a medium with a higher osmotic pressure than the cell. e. both a hypertonic medium and a medium with a higher osmotic pressure than the ce

Biology & Microbiology

Which of the antibody classes is able to destroy an antigen by activating the nonspecific killing action of the natural killer cells?

A) IgM only B) IgE only C) IgG only D) both IgG and IgM E) both IgM and IgE

Biology & Microbiology

Which of the following are the most abundant cell type found in most plants?

A) parenchyma cells B) collenchyma cells C) sclerenchyma cells D) food-conducting cells

Biology & Microbiology