The hormone insulin is a protein produced in the pancreas and then secreted into the blood stream after a meal to increase glucose uptake by tissues. Which mechanisms would be used to secrete insulin from the pancreas?

Which statement best supports the development of new wind farms? O Wind farms decrease carbon dioxide concentrations in the atmosphere. O Wind farms increase public dependence on burning fossil fuels for energy.

How does a somatic cell mutation differ from a germ cell mutation?

Which type of cells did multicellular organisms arise? a. Prokaryotic cells b. Eukaryotic cells c. Prokaryotic cells with a capsule d. Both prokaryotic and eukaryotic

The smallest cell structures that would most likely be visible with a standard (not super-resolution) research-grade light microscope is

What type of reproduction is neither strictly asexual nor sexual any why so

Which of the following statements is most correct regarding the intracellular chemical signals known as "second messengers"? Select one: a. Second messengers usually act to remove nitric oxide (NO) from the cell. b.

The process of natural selection 1. is possible only when spontaneous mutations are forced by environmental pressures 2. is fundamentally a natural process that operates independent of the condition of the environment 3.

In the process of sublimation

Linda has heard that the acidic environment of the stomach is similar to that of a car battery. if the stomach is so acidic, why doesn't the acid eat away at the stomach lining and cause holes in the stomach?

Typical United States weather patterns show the continental polar air mass moving south toward the Gulf of Mexico. Why does this air mass movement happen? A) Colder air masses move from north to south.