The answer would be - It untwists the double helix and separates the two DNA strands. A helicase is an enzyme used to separate strands of a DNA double helix by breaking hydrogen bonds between annealed nucleotide bases.
Elevation (it uses different colors to show the elevation of different places such as plains and mountains)
Pandemics occur over a wide geographic region, potentially affecting a large population.
Answer:
A person needs to have a quality and stress-free life to be happy and healthy.
A person will be ill if he/she is physically and mentally ill.
A person should be physically, mentally, and socially fit and fine to be cure.
Answer:
cell membrane
Explanation:
Single cell organisms like the bacteria depend mostly on diffusion for gaseous exchange. They take in food that does not require complex digestion processes. The cell membrane is selectively permeable and allows absorption of nutrients like glucose that have molecules of small size.