In order for your DNA to be expressed, what has to be made to tell the body what to do?

What do steroids do?

What structures allow the kidneys to remove cellular waste from blood?

Sometimes mutations (changes to DNA) alter the protein that is made and sometimes it does not. Explain how this is possible from what you know about the protein synthesis process.

Ecosystems must have two factors working together in order to function what are those two factors

When a substance changes from one phase to another, which of the following occurs? A. The substance loses or gains heat. B. The average kinetic energy of the substance changes. OC. The temperature of the substance changes. D.

The synthesis of RNA using a DNA template is Question 1 options: translation transcription meiosis mitosis

True or False? An increase in the birth rate will tend to cause the population to grow at a faster rate. * true false

Imagine that you are a marine biologist. As part of your exploration, you dredge up an unknown animal from the seafloor. Describe some of the characteristics you should look at to determine the phylum to which the creature should be assigned.

1. What was the worldwide avemge life expectancy in 2000? a. about 30 c. almost 80 b. more than 67 d. none of the above

At times information can still be obtained about an organism even when the fossil itself