B. Consumers produce Co2 for which plants need to allow photosynthesis to turn back into oxygen.
Answer:
Genes are the instructions for life as we know it. They affect your development before you're even born and play a role in everything from your appearance to your personality. Genes contain information about your heritage and your risk for certain diseases.
Explanation:
If the body loses a substantial amount of fluids and salts and they are not quickly replaced; for example: by drinking, the body starts to "dry up" or get dehydrated. Severe dehydration can cause death. The usual causes of dehydration are a lot of diarrhoea and vomiting
Answer:
semi-conservative
Explanation:
Each helix that is created contains one strand form the helix from which it was copied
Answer:
The correct option is <em>C. A gene is a specific segment of DNA on a chromosome</em>
Explanation:
Option A is false because a gene is a segment on a chromosome.
Option B is false because a chromosome carries many genes.
Option D is false because a gene carries a segment of DNA, not all of the DNA.
Option C is correct because there are many genes present on a single chromosome. Each gene carries a segment of DNA. The position of a gene on the chromosome is known as its loci.