Proteins are made by what of the following?

Organells

RNA

Ribosomes in plants only

Ribosomes in plants and animals

in the nucleus of a plant and animal cells

Drugs that act by mimicking the normal substrate of an enzyme, thereby blocking its active site, are called

1 pts A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed.

How does food move through the intestines?

10. What can contaminate a river as a result of dredging? a. potash C. placer deposits b. seawater d. muddy sediments

What is one possible reason that Mutation 2 leads to the production of normal blood cells rather than the sickled blood cells?

If a mother carries a recessive allele for a genetic disorder such as cystic fibrosis under what circumstances will her children inherit the disorder

Explain how compaction is important in the formation of coal

Aristotle was a true scientist

What are the four major ocean basins? Are these basins connected?

Why is cellular respiration considered an efficient process