A person going to bed because she feels sleepy is an example of a (n)

_response to an stimulus.

O A) voluntary; internal

OB) voluntary, external

OC) involuntary; internal

OD) involuntary, external

How are genes and proteins related? A. Proteins are made of parts of genes. iles. B. Genes and proteins are both made of DNA. C. Proteins are made from instructions in genes. D. Proteins are used to build genes.

if you fill your bike tires up with air in the summer, what happens to them in the winter time? make sure your explanation includes what the gas particles in the tire are doing

Who or what decides what is labeled about UVA rays?

Describe how humans and dolphins are in competition with one another.

After incubation, you observe that your streak-plate has heavy, uniform growth but no isolated colonies.

Which of the following is the effect to contractile vacuole when Amoeba sp is placed in salt water? A. Burst and die B. Stop contracting C. Contract at fast rate D. Contract at slow rate

Which geochemical cycle involves mantle convection? Nitrogen Tectonic Hydrologic Carbon

Energy can be changed from one form to another. Changes in the form of energy are called energy conversions. In an automobile engine, fuel is burned to convert _energy into heat energy. The energy is then changed into energy.

Describe electron carriers and the electron transport chain.

Slice of cheese is 3.0°C and is sitting on a dish that is 3.0°C. If the dish and cheese are in a refrigerator that is set to 3.0°C, which of the following statements is true? a.