What is it????????????????
Answer:
A
Explanation:
The light from the sun is blocked by the moon, causing the earth to appear dark during the day.
Gel filtration and SDS-PAGE could be used for <u>determining a molecular weight of proteins</u>, such as tyrosinase. In both methods, molecules are separated based on their size. <u>Gel filtration</u> measures the molecular weight of <u>native proteins</u> and <u>SDS-PAGE</u> measures the molecular weight of <u>denaturated proteins</u>.
The amount of water, the location of the plant, the pot of the plant, the soil of the plant, the amount of sun the plant gets, how frequently it gets watered. (some of these may be independent depending on what you are testing for.)