Answer:
Carrier proteins move materials from one side of the cell membrane to the other. This is useful for both active transport, meaning you have to transport against the concentration gradient, and facilitated diffusion, a form of passive transport.
They are related because energy cycles consist of energy and growth cycles also need energy so they can work
Answer:
aorta
Explanation:
the ventral side of the heart includes, the superior vena cava, inferior vena cava, aorta, right ventricle, left ventricle etc
Answer:
The answer is b. the theory must be changed or abandoned.
Explanation:
If a scientist finds a contradictory fact to an already existing theory, then after a scientific validation of the new found fact, the existing theory has to be changed or be replaced with a new one.
The rest of the answer options are silly and incorrect!
<h2>D. Radioactive decay </h2>
Hope it helps