How may a gene be defined

A. a segment of DNA

B. a segment of a protrein

C. a part of the cell membrane

D. a complete protein

What are electromagnetic waves that you can see?

The wicked witch and the big bad wolf are examples of a. protagonists. b. archetypes. c. dynamic characters. d. anecdotes.

Light acts as A) a wave. B) a particle. C) both a particle and a wave. D) neither a particle nor a wave.

How are energy and molecules related?

Which activity would contribute the most to water pollution?

Fossil records suggest major changes in early vascular plants that favored the evolution of land plants. Which was one of these major changes? Select one of the options below as your answer: A. Development of fruit B. Development of seed C.

Many people in the developing world who depend on rice in their diet suffer from diseases related to deficiencies of

Why does biology have to be a subject

Differential reproduction of genotypes leads to evolution via what process? inbreeding natural selection genetic rescue genetic drift mutational load

Why is carbon essential to all known life on Earth?