Animal cells do not have cell walls since animals have other means of physical support, such as the skeleton. What would be the problem if animal cells have cell walls?

One of your classmates says that the pollution from his car doesn't harm the environment because the exhaust is warm and warm air will rise out of the atmosphere since it is less dense. Is your friend correct? Why or why not?

Why are single-stranded binding proteins necessary for DNA replication? a. They direct where replication will start. None of the answer options is correct. b. They provide the energy necessary to separate the two strands of DNA. c.

In the average female, the menstrual cycle lasts ___ days

Why is this a scientific question? "Do people perform better on exams when they wear their favorite color?" The question is not specific The question reflects an opinion The question can be tested by a systematic procedure.

How much of the marine environment's biodiversity is contained in earth's coral reefs

Aldosterone is the most potent mineralocorticoid produced in the adrenal cortex and is produced when there is rise in blood potassium and BP. True / False.

7. What is the difference between totipotent, pluripote the three main types of stem cells and their differer Your Response 5. Tissue is a group of cells that have a similar function.

A scientifically created organism that has an exact copy of another organism's genes is an?

What are the three main layers of skin?

The cell is separated into two parts