What cell controls the movement of material between the inside of the cell and the outside world?

1. Nucleus

2. Vacouoles

3. Cytoplasm

4. Cell membrane

Harmful effects of avalanche

Which contribution did Ptolemy make to our view of the solar system? A. He proposed the sun-centered model of the solar system. B. He showed that planets moved in elliptical orbits. C. He proposed that gravity kept the planets in their orbits. D.

Jezelyn needs to create a project that shows reproductive isolation in action and decides to make a video. Which of the following would make the best project? 1. a video that shows a large river that has penguin populations on both sides 2.

Explain why meiosis cannot happen without mitosis.

In horses, the most distal bone in their hindlimb (i. e. the one that they stand on), is homologous to what bone in humans?

In mice, brown eyes (B) are dominant over blue (b). A homozygous brown-eyed male mouse mates with a blue-eyed female and they have offspring. What are the phenotypes and genotypes of their offspring? What are the genotypes of the parents?

Cholera is a bacterial infection of the small intestine. Vaccination provides protection against cholera. The cholera vaccine is made up of weakend form of the bacteria that causes cholera.

If you have a cold that causes congestion in your sinuses, how might that affect your sense of smell?

Equine chiropractors specialize in treating what type of animal? Dogs Cats Horses Monkeys

What are the major factors that influence the rock cycle and changes in the rock?