What two gas composes the largest portion of Earth's atmosphere?

water and carbon dioxide

oxygen and carbon dioxide

nitrogen and carbon dioxide

nitrogen and oxygen

What two things must happen for diffusion to occur?

In plant life cycles, eggs and sperm are produced by mitosis true or false

DNA is always read in the ___ direction

The following would be a cognitive symptom of schizophrenia.

Synapses are able to change strength and function when a pathway is stressed, overused, or underused, such as by the intake of psychoactive substances

What is the main mechanism for regulating hormone secretion?

While on the Galapagos Islands, Darwin noticed that there were a number of species of finches that he theorized descended from a common ancestor.

Proposed mode of DNA replication where one daughter cells gets both strands of parent DNA and the other daughter cell gets both strands of new DNA. a. Bi-directional replication b. Dispersive replication c. Conservative replication d.

Which process can be found in both bacteria and protists?

Use this information to answer questions 6 - 11. Your original population of 200 was hit by a tidal wave and 100 organisms were killed, leaving 36 homozygous recessive out of the 100 survivors.