Answer:
Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs
Explanation:
Carbohydrates and Lipids have cho.
The answers are the following:
- Hypothesis: caffeine affects the rate of mitosis in frog eggs
- Null hypothesis: caffeine has no effects on the rate of mitosis in frog eggs
- Independent variable: time
- Dependent variables: rate of mitosis in frog eggs, amount of caffeine used in each treatment, etc
- Control group: rate of mitosis in frog eggs no treated with caffeine
Each transport protein is designed to transport a specific substance as needed. Some channel proteins, for example, open only when they receive the correct signal, allowing the substances they transport to flow on demand.