Other types of enzymes can put atoms and molecules together. Breaking molecules apart and putting molecules together is what enzymes do, and there is a specific enzyme for each chemical reaction needed to make the cell work properly.
https://science.howstuffworks.com/life/cellular-microscopic/cell2.htm
Organisms get the energy they need from food just like us humans do.
The given question is incomplete. The complete question is
What is not a risk of being underweight?
Answer:
Higher risk of developing heart disease
.
Explanation:
The individual can be characterized as healthy person, over weight and under weight. The under weight person has low weight as mentioned in the criteria of the body mass index.
The overweight person feels low and has less energy to do any work. They may also suffer from the anemia condition, and have low nutrition in their body. They cannot develop the risk of the heart disease because heart disease is more common in over weight people.
Thus, the correct answer is option (e).
Answer: A. Zidovudine (Retrovir) and emtricitabine (Emtriva)
Explanation:
Basic postexposure prophylaxis (PEP) therapy typically includes treatment with one of these combinations of pharmacologic agents:
Zidovudine (Retrovir) and emtricitabine Emtriva),
Lamivudine (Epivir) and tenofovir (Viread), or
Tenofovir (Viread) and emtricitabine (Emtriva)
If the accidental exposure is especially severe, a third agent may be included.
