Answer:
1.= FADH2
2. = 2
Only these I know may be this is helpful
3. Producers are always plants and consumers are always animals. Producers also make there own food, and consumers hunt and eat theirs
The person should be a male.
Only male carries XY chromosomes, meanwhile female carries XX chromosomes. "Heterozygous for the X and Y chromosomes" means that the person have both X and Y chromosomes in their cells, therefore only males fits the description.
This is also why the birth rate of girl or a boy is always 50%, it is because the sex of a person is only determined by the sperm from a male. Each sperm either carries a X or a Y chromosome, never the both. Therefore, the chances of a X or a Y sperm fertilising an X egg is always 50%, also explains why both female or male must have at least one X chromosome because an egg always carry an X.
Answer:
viruses can make your body sick and your blood cells wouldn't be right so you have to be careful with shots or people ine general