Receptors found in signal transduction

a. are always found in membranes.

b. are always found in the cytoplasm.

c. are always found in the nucleus.

d. can be found either in the membrane, cytoplasm, or nucleus.

Which of the following organisms are prokaryotes?

Explain character displacement, and provide an example.

Why is evolution is still a theory?

Suppose you observed that tina had a circular area without hair on the back of her scalp. what word would best describe this?

A certain igneous rock contains about 75 percent dark silicate minerals. The remainder of the rock is mostly plagioclase feldspar. What type of composition does this igneous rock have?

What passage carries food between the pharynx and the stomach?

Coiled tube in which the greatest amount of digestion and absorption take place

Most of the world's food supplies comes from 14 species of crops. Which of these crops are the most important? A) corn, potatoes, and hay B) wheat, rice, and sugarcane C) alfalfa, rice, and wheat D) grasses, bananas, and beans

Tryptophan is an amino acid necessary for E. coli survival and growth. E. coli contain genes coding for enzymes that synthesize tryptophan. These genes are grouped together on a segment of DNA called the tryptophan (trp) operon.

Why does it make sense that the sensors and controller of body temperature reside in the brain? A. Because the brain enables the body's response to temperature changes B. Because deep inside the brain is considered the body's core C.