Simple Diffusion Across the Cell (Plasma) Membrane. The structure of the lipid bi-layer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Answer:
There are 2 electrons on the first energy level, 8 electrons on the second level, 8 electrons on the third energy level, and 1 on the fourth energy level. Explain that after the third energy level has 8 electrons, the next electron goes into the fourth level.
Explanation:
https://www.researchgate.net/publication/263703355_Management_challenges_of_Didymosphenia_geminata
Answer: Continental tropical.
Answer:
The correct answer is option - population.
Explanation:
A group of individuals that can breed one another and share the gene pool is known as the population. A population is a group of individuals that share the same place and gene pool and able to interbreed and able to produce viable offspring. An individual offspring of two distinct species is called a hybrid.
Thus, the correct answer is - population.
