Answer:
Ab
Explanation:
If you use the foil method you get the answer Ab.
Answer:
False, I believe. Mutations sometimes might have an effect that helps the population. Example: I've heard of Two-Headed snakes, and even seen some on the internet. They live their lives just fine, so I suppose the mutation was actually quite helpful.
Answer:
A
Explanation:
Deforestation is the cutting of trees. Trees like plants use photosynthesis for energy. Products of photosynthesis include carbon dioxide. When carbon dioxide is made the tree does not release it but when trees are cut down where does all of that carbon dioxide go? It gets released in to the atmosphere therefore the answer is A.
Answer:
Sugars and phosphates
Explanation:
DNA is deoxyribonucleic acid.
The backbone is based on a repeated pattern of a sugar group (deoxyribose) and a phosphate group.
The image below shows one straightened-out strand of DNA with a backbone of alternating sugars and phosphates.
A is wrong. There is no ribose in DNA.
B is wrong. The nucleic acids A, C, G, and T join one strand of DNA to the other.
C is wrong. There is no RNA in DNA.
