Hair is made from a

a. Protein - Celery In

b. Protein - polyester

c. Carbohydrate-Keratin

d. Protein - Keratin

Translation of mRNA into segments of tRNA allows which organic molecules to combine to form proteins at the ribosome?

If a Star is located 40,000 light years from earth, what can you conclude about the light from the data?

The largest pod is a type i. ( a. true ( b. false

Vascular tissue is found in shoots, leaves, flowers, and a. mosses b. lichens c. roots d. liverworts

If the earth were not tilted on its axis what would the results be A day length would be less than 24 hrs B both sides of the moon would be visible C temperatures would be constant year round D the length of the year would be more than 265 days

Cells use passive and active transport to move materials across cell membranes in order to maintain homeostasis. Which of the following is an example of homeostasis?

Why fossils are important and why sedimentary rocks have fossils?

Manny has contracted a virus that is destroying his body's immune system. manny most likely has:

When you exercise, your muscle cells use oxygen to convert the energy stored in glucose into the energy stored in ATP, which they then use to drive muscle contractions. When you exercise, your muscles need more oxygen.

Which of these is required for natural selection? A.) All individuals of a population must be identical. B.) There must be a small number of individuals in a population. C.) There must be variation among the members of a population. D.