Answer:
D) is the answer because it only allows particular molecules to get in and out
Methadone is now being used as an analgesic, as well as a maintenance drug for heroin withdrawal.
Answer:
Most atheletes eating a variety of foods will actually meet their protein needs.
Explanation:
Protein is a macronutrient that is needed to build up the body mass.
Athletes use up a large amount of energy than the normal individual. Additional nutrient is required by these athletes due to the large amount of strenuous activities carried out by their bodies.
A good source of protein is required by an athlete to repair and rebuild the muscles that have been strained our during the course of their hectic activities.
A good source of protein for athletes include:
- Youghurt
- Egg
- Chicken
- Almonds
Answer:
B. Adult flies have emerged from the shells
Explanation:
A pupa is the life stage of some insects undergoing transformation between immature and mature stages. The pupal stage is found only in insects that undergo a complete metamorphosis, with four life stages: egg, larva, pupa, and imagoa, therefore, an empty pupae means the insect has emerged from the pupae by splitting the pupal case and leaving it empty
