When presented with the question “Does Plant Food X have an effect on the production of tomatoes?” Develop a hypothesis to answer this question and then design a small controlled experiment to test the hypothesis.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

if you know your abc's you should be able to get your answer or just use google

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost