Which structure has a phospholipid bilayer with embedded proteins?

• A nucleus

.

B. vacuole

O

C. chloroplast

O

D. cell membrane

You discover a new cellular protein and find that there are hydrophobic amino acids scattered all along the surface of the folded protein.

3c. explain what a codon is. include the words "nucleotides" and "amino acid" in your answer.

Renewable energy sources account for the majority of energy production. true or false

Which of the following statements is true of cartilage and bone development? A. Some cartilage becomes bone through ossification during childhood development. B. Cartilage produces white blood cells, which are necessary for immune system health. C.

How did the ice age happen

What effect does an increase in the average kinetic energy of an object have? A. reduced particle movement B. Lower temperature C. higher temperature D. increased mass

In beetles, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination.

At what phase of meiosis is the number of chromosomes per cell doubled? What happens after that so that the number of chromosomes per cell does not end up being higher?

Unlike endocrine glands, exocrine glands a. release hormones. b. do not usually have ducts. c. release secretions outside of the body. d. release secretions directly into the blood

How the structure of DNAallows it to serve as the basis for inheritance?