Answer:
The enzymebinds to the DNA molecule causing the DNA helix to UNZIP.
Explanation:
The answer would be Down syndrome.
Down syndrome is a disease that caused by trisomy(three chromosomes) of chromosome 21. The number of chromosome in normal condition is two so an extra copy makes the chromosome count become three. The patient will show a sign of men tal retar dation with a few typical characteristic in their faces(facies).
Answer:
Fossil Fuels pollute the earth and add to the greenhouse effect which in turn breaks down our atmosphere. Which is global warming (broken down atmosphere letting in radiation)
Explanation:
Answer:
Cell X
Explanation:
Cell X is the only cell that has chloroplasts, a pigment found in leaf cells of plants / sometimes other parts may have too. Animal cells almost never have chloroplasts
<span>In both artificial and natural selection, only certain individuals in a population produce new individuals. But in natural selection, the environment- not a farmer or animal breeder- influences fitness.</span>