Explanation:
The difference between the universe and the galaxy is that the universe refers to everything that exist, including galaxies and the space between them whereas the galaxy is a massive cluster of stars held together by gravity.
Answer:
They share two lone electron pairs
oxygen has 8 charges and hydrogen has 1 charge. Oxygen is negatively charged and hydrogen is positively charged.
Answer:
a. allow a variety of molecules to cross the cytoplasmic membrane
Explanation:
The cells have different molecules in its membrane. As a membrane the main function of it is to regulate the income and outcome of substances that the cell needs or the cell has like some wastes.
Some of these molecules can be some proteins like the permeases, that is going to regulate the solutes that can enter the cell, but since they are non specific, that means that can not make the difference among one carbohydrate and another (as an example).
The answer to your question should be B.
You can check with others if you want.
The answer makes the most sense
