what is the thermal energy that flows from one substance to another when the substances differ in temperature.

If you talk and eat at the same time, you run the risk of choking and coughing violently, and blocking your airway with food. We often describe this situation by saying the "food went down the wrong way.

A promoter is (A. binding site for DNA polymerase B. binding site for RNA polymerase C. start signal for replication D. stop signal for transcription

A water-soluble hormone binds to its receptor on the plasma membrane. Arrange the events that follow in correct sequence.

What causes an increase in greenhouse gases

Hormones are chemical molecules produced by endocrine glands. One such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles.

There are four main types of in the human body

Which term describes a pure substance that is made up of only one type of atom?1) matter2) rock3) compound4) element

Which illness can be contracted by drinking contaminated water? A: botulism B: E. coli infection C: salmonellae D: gastroenteritis

Describe how the lack of water in an environment can affect the amount of carbon dioxide absorbed by the plant.

Which of the following best explains the importantance of studying the ocean carbon cycle A) The ocean have a significant impact on the levels of atmospheric gases B) It is a new field of ocean science C) The ocean releases one quarter of the carbon