Answer:
D
Explanation:
there are around as many bacteria cells as there are human cells in the human body.
Answer:
they carry the genetic info in the form of genes
Explanation:
Chromosomes carry the genetic information in the form of genes. They are a threadlike structure of nucleic acids and proteins, and are found in the nucleus of most living cells.
Answer:
Theodor Schwann is a german scientists from rhe 1800s
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.