1. A cell membrane is primarily made up of what two molecules?

a. Phosphate and Nitrogen

b. Nitrogen and Ribonucleic Acid

c. Phosphate and Lipid

d. Lipid and Nitrogen

Which type of priotist shares the closest ancestor with plants

What is the diffusion of water across a selectively permeable membrane

A science class is studying solubility, so they perform a lab to answer the question, "How does temperature affect the solubility of sugar in water?" The results of their experiment appear below.

This division is a charge of recycling water for reuse of agricultural areas and Landscape areas in national parks A. u. s. geological Survey B. u. s. fish and wildlife service C. Bureau of reclamation D. mineral Management Service

Why might you want to use a single fixed pulley? A to reduce the force needed to raise objects B to raise or lower heavy objects C to raise or lower lightweight objects D to reduce the weight of lifted objects

Combining dna from different organisms or different locations of a given genome that would not normally be found in nature is the definition for

Where does an eagle get the energy it needs to grow and to a fly? A. from the animal eats B. from the trees it nests in C. from the air it flies in D. from the water at fishes in

Describe how the motion of Earth is affected by the sun. Be sure to include the direction of any force you identify and the shape of the path that results.

For a person to be diagnosed with major depressive disorder, he or she must have experienced a significant depressive episode and depressed characteristics, suchas lethargy and hopelessness, for at least

When earth completes a full rotation how much time has elapsea a. 1 day b. 1 month c. 1 week d. 1 year