The answer is (b). The hydrophobic sequence of AA is not electrically charged so it isn't soluble in water that means it spans the membrane. The
hydrophilic sequences are attracted by water and they remain in the aqueous enviornments on the two sides of the membrane. This diagram should clarify.
I know the strands are DNA , but the answer is duplication because it adds one or a pair of chromosomes. i hope i helped u :) and plzz may i have brainliest ?
Answer:
B. Antibiotics attack only bacteria. OR Colds are caused by viruses.
Explanation:
A.P.E.X.
The statement is true. Digestion of food molecules in the digestive system in the gastrointestinal tract does not require coupling of ATP hydrolysis; but instead requires enzymes that speed up the spontaneous reaction. Enzyme digest specific food substrates at different parts of the digestive system until the final useful products of these enzymatic reactions are absorbed to the body metabolism.
