What is the tip of a chromosome called

The purpose of the right ventricle is to: receive blood coming back from the lungs pump blood to the upper and lower body pump blood into the lungs to be oxygenated receive blood back from the upper and lower body

1. Disease can be caused by viruses, bacteria, fungi, parasites, or toxic chemicals. Which of these diseases is the result of toxic chemicals? O A. Polio B. Impetigo O c. Malaria OD. Emphysema

How does distance from the epicenter of an earthquake change the earthquake's effects?

Why does the Sun appear to move across the sky? A) the Sun's rotation B) the Earth's rotation C) the Sun orbits the stars D) the stars are orbiting around the Sun

The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago.

If your mother and father both have green fingernails, which is caused by a recessive allele, the odds of your having only one allele for the disorder are a. 3/4. b. 1. c. 1/4. d. 0. e. 1/2.

Glucagon acts upon the?

Chordates possess all of the following structures except A. pharyngeal pouches. B. fins. C. notochord. D. hollow nerve cord.

Why are carbohydrates important to organisms?

When the plates at a transform boundary lock together as they slide past one another ... A. a mountain is created B. a volcano forms C. intense energy will build up, eventually causing an earthquake