Stem cell are important because stem cells represent an exciting area in medicine because of their potential to regenerate and repair damage tissue .
Answer:
the frog won't have nothing to eat then they will die and the snake won't eat the frog.
Explanation:
The answer is 12.5%.
Each gram of protein has four calories. Therefore, 50 grams of protein contain 200 calories. In order to find the percentage of total energy intake that comes from protein, we need to do the division: 200/1600 * 100 = 12.5. Protein is needed for body growth and maintenance and energy.
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL