The enzyme responsible for adding new bases in transcription is

a. DNA polymerase

b. RNA polymerase

C. DNA ligase

d. helicase

What are three characteristics of matter do chemists study?

Most animal cell membrane have proteins that pump what ions out of the cell and potassium ions into the wall

What is cellular respiration and what are it's major components

A young girl was born with a patch of soft fur that ran from the base of her neck to her tailbone. she did not display any other symptoms of disease, and results of her karyotype seemed normal.

An object with greater mass has greater inertia. True or false

Which of the following best describes REM sleep?

A "red-hot" bacterial infection of the intestinal tract irritates the intestinal cells and interferes with digestion. such a condition is often accompanied by diarrhea, which causes loss of body water.

Which of Mendel's laws BEST explains why genetic variations occur in offspring resulting from sexual reproduction? A law of segregation B law of dominance C law of independent assortment D law of crossing-over

When can a primary succession occur?

Friction between a skateboard wheel and the surface produces?