Photon energy is proportional to which of the following?

A. period of the light wave

B. frequency of the light wave

C. speed of the light wave

D. color of the light wave

The carbon chain that makes up part of a lipid is called

What is the term used to describe the minimum level of stimulus required to activate a neuron? a. Action potential b. Threshold c. Resting potential

The nucleus is NOT found in plant cells. animal cells. eukaryotic cells. none of the above

how the surface area and volume of cells affect the rate of exchange of materials in and out of cells in multicellular organisms

The digestive system takes in nutrients and breaks down these nutrients for energy. The solid waste products that are generated during digestion are removed from the human body by the what?

Explain the life cycle of plasmodium?

Compared to terrestrial plants, what challenges do aquatic plants have to overcome in order to carry out photosynthesis?

How are living mammals classified into groups? a. type of circulatory system b. method of development c. method of respiration d. method of regulating body temperature

In the european union what is the geographical unit of water pollution control?

Why is food waste harmful to the environment?