I think is the first and second!!
Any condition in an experiment that can be changed is a control variable!!
You control it!!
Answer:
The correct answer is the last statement.
Explanation:
Amphipathic refers to a substance that comprises both hydrophobic and hydrophilic surfaces. Thus, the given first three statements are incorrect. The amphipathic helices are witnessed on the proteins surfaces in which the hydrophilic region associates with the aqueous phase and the hydrophobic regions associate with the hydrophobic component of the protein.
Both the amphipathic sheets and helices exhibit primarily the hydrophobic or hydrophilic residues on one face. Thus, the correct answer is the last statement.
Connective tissue connects or separates other tissues and organs, and usually has little or no cells embedded with collagen or other fibers, Like cartilaginous, fatty, and elastic tissues.
Answer:
Rotation is when an item or object (specifically the earth) rotates on it's axis.
Revolution is when an item (the earth) orbits or "revolves" around another one (the sun).
The rotation of the earth determines how long a day lasts while the revolution (or orbit) determines how long a year lasts (with all of the season).
Also you don't have to put the ones in the parentheses ()