Which of the following is a component of the plasma membrane that creates a chemical barrier between the inside and the outside of the cell?

cholesterol

water

proteins

phospholipids

How is the design of a crayfish's nerve cord different from the design of a vertebrate's nerve cord?

What can directly lead to unconformity on an exposed rock? A. Uplift B. Uneven rock layer C. Climate change D. Erosion

Who invented sperm? Asking for a friend

What was an unexpected consequence of the green revolution

A tourniquet is a band that is placed over a major artery to constrict the flow of blood. Would you expect a tourniquet over the radial artery (near the elbow) to increase the blood pressure on the proximal side of the band (closer to the center of

The primary care provider has prescribed a karyotype for a newborn. the mother questions what the type of information that will be provided by the test. what information should be included in the nurse's response?

Energy released from ATP Select one: a. contains five phosphate groups. b. drives most of a cell's activities. c. is found only in bacteria. d. All of the above

An adult client with mobility problems wishes to become an organ donor. Which act allows the client to donate his or her organs?

Antibiotics, antimicrobial resistance and the control of disease - Essay

What are four characteristics of water that are emergent properties resulting from hydrogen bonding?