What is the origin of all stars?

supernova

dwarfs

protostars

nebulae

The diagram below represents but occurs when an onion cell in a bread blood cell were placed in distilled water the best explanation for why the onion cells do not burst while the red blood cells often do is that ...

How does an increase in global temperature affect the amount of carbon dioxide in the air?

A client calls the clinic asking to come in to be evaluated. she states that when she went to bed last night the fetus was high in the abdomen, but this morning the fetus feels like it has dropped down.

Americans typically consume far too many refined carbohydrates.

The label below provides the number of chromosomes found in the body cells of various types of organisms

Maria is testing the behavior of monkeys. First, she shows the monkey a rectangle. Then she shows the monkey a rectangle and a cylinder. If the monkey pushes aside the rectangle, Maria gives the monkey a food reward.

Why is the phloem in a leaf important to the roots of a plant? A. It provides the roots with carbohydrates. B. It provides the roots with nutrients from the soil. C. It transports water to the leaves from the roots. D.

A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below.

What job does each organelle do in a cell?

Which of the following statements is true of an object composed of a single cell? It could be considered living only if it has some of the other characteristics of life. It is a living thing. It is not a living thing. It could become a living thing.