Which discovery supported the endosymbiotic theory?

A.) DNA in mitochondria

B.) DNA in the cell nucleus

C.) DNA in ribosomes

D.) DNA in the cytoplasm

List reasons why coral reefs are dying.

Aquatic plants living in a slightly salty environment such as a lagoon that has a fresh water river that empties in to it live in what type of solution (compared to their cytoplasm) under normal conditions?

4. Which of the following statements best explains the mechanism for DNA replication? DNA replication is semi-conservative. DNA replication is reductive. DNA replication is dispersive. DNA replication is conservative.

What substance combines with oxygen in cellular respiration? A) fat B) sugar C) water D) carbon dioxide

3. Of the following, which was the most common GE crop grown in the US in 2012? * O Corn O Beets O Soybeans O Potatoes

Identify several things that can be seen with a karyotype.

How the carbon cycle might be affected if we increased the extraction rate of fossil fuels.

Ovules and pollen grains take part in what process?

Human activities, such as the burning of fossil fuels, result in air pollution. what could be an outcome if the amount of smoke released is not regulated?

In cases of liver or kidney failure, doses of medication may need to be: