when a cell is not dividing, the DNA is woundaround proteins in a loose … A. chr
ID: 206536 • Letter: W
Question
when a cell is not dividing, the DNA is woundaround proteins in a loose … A. chromatin 38, C. D. nucleoid 39. Which of the following is an amphipathic molecule B. phospholipids C. D. glycolipids A. CO2 B. Nat C. 02 D. H20 o following CANNOT pass through the plasma membrane 41. Which is considered an active transport mechanism? A. diffusion B. sodium-potassium pump C. osmosis D. facilitated diffusion 42. A higher solute concentration in the solution compared to the cell describes whbich of the following A. isotonic solution B. hypertonic solution C. hypotonic solution D. hydrostatic pressure 43. Molecules that move from a region of higher concentration to a region of lower concentration until it reaches equilibrium describe which process? A. endocytosis B. pinocytosis C. diffusion D. tonicity A. a process where Na+ and Cl- move from high concentration to low concentration B. a process where water moves across a semipermeable membrane C. a process where a protein helps water move from low concentrations to high concentrations D. any type of diffusion 44. Osmosis is 45. Cells secrete macromolecules outside their membranes by fusion of vesicles with the plasma membrane. This process is called: A. Diffusion B. Exocytosis D. Pinocytosis water concentrations are the same in the solution and in the cell this type of solution would be (think of how many solutes would be in each of the solutions) A. hypotonic B. hypertonic C. hydrostatic pressure D. isotonicExplanation / Answer
The answer to 38 - Nucleoid (option D)
The answer to 39 - Phospholipids (Option B)
The answer to 40 - Water (option D)
The answer to 41 - Sodium-potassium pump (Option B)
The answer to 42 - Hypertonic (Option B)
The answer to 43 - Diffusion (Option C)
The answer to 44 - Option A
The answer to 45 - Exocytosis (Option B)
The answer to 46 - Isotonic (Option D)
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