Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
GCAATGTA, make sure to define the prime ends as well.
The gravity of a black hole is so strong that not even light can escape. Even if a bright star is shining right next to a black hole, you cannot see the black hole. Instead of reflecting the light as other objects do, the black hole just swallows the starlight forever.
From agricultural farmers
Answer: n
Explanation:
"n" stands for haploid number and has 23 chromosomes, which is half the diploid number, represented as 2n and having 46 chromosomes .
