How do scientists classify stars? If you're not sure, make a guess.

a) by size

b) by color

c) by temperature

d) all the above

How do the plant cells placed in a medium for tissue culture change in terms of their degree of specialized?

During the cell cycle, the complete period of non division is called what?

Caseation necrosis refers to an area where:1) cell proteins have been denatured. 2) cell are liquefied by enzymes. 3) dead cells form a thick cheesy substance. 4) bacterial invasion has occurred.

The main advantage of solar energy is: A. It is low in cost. B. It can be used all the time. C. It has very little pollution. D. It is free.

Why is it important that fertilization occurs with haploid gametes, and not diploid gametes?

In the living world, there is a great deal of genetic variation. The genetic information of dogs differs from the genetic information of cats. The genetic information of plants differs from the genetic information of bacteria.

Explain the concept of same DNA in all body tissues

What happens in meiosis I that does not occur in meiosis II?

What is the meaning of calories

Whats the difference between Phylum and Genus