Proteins carry out cellular functions.

Where do they get instructions?

O from DNA

O

from inherited traits

Ofrom enzymes

O from chemical formulas

Are aliens and UFO's real

In the process of dna replication the two nucleotide strands unwind and seperate at the what?

If an invasive species of beetle enters this community, which change is most likely to happen? A. An increase in biodiversity throughout the community B. A decline in the native species of beetle C.

When the left ventricle contracts, blood flows to the? a) right atrium b) aorta c) lungs d) left atrium

Huntingtons disease can have serious consequences on people.

Why might it be important to use different models at different stages of an investigation.

Which of the following wave properties would be the best way to measure the height of a wave?

Would evolution by natural selection be able to happen if there was NO differential survival and reproduction within a species? Why or why not?

Air pollution is caused by A. natural events and human activities. B. human activities but not natural events. C. heavy rainfall. D. the sun.

Which of the following can increase the growth of algae when it enters streams? A) insecticide B) herbicide C) carbon dioxide D) oil