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- Cell membranes consist mainly of a _________. a. carbohydrate bilayer and proteins b. protein bilayer and phospholipids c. phospholipid bilayer and proteinsEnzymes contained in __________ break down worn-out organelles, bacteria, and other particles. a. lysosomes b. mitochondria c. endoplasmic reticulum d. peroxisomesWhy is the relationship between surface area and volume of a cell important in determining cell size limits?
- Which of the following is the limiting factor for cell size? a density b volume c surface-to-volume ratio d surface areaThe surface areas to volume ratio determines how efficiently a cell exchanges material with its environment. True FalseThese cells are human cheek epithelial cells. What is their approximate cell size? Field Diameter = 240 µm
- Process by cell membrane that take in fluids and dissolve substancesSubmerging of a red blood cell in a hypertonic solution will result in Lysis of the cell membrane Bursting of the cell Plasmolysis of the cell The cell becoming turgid The cell becoming flaccidProvide short meanings for this terms Homeostasis Tissue culture Diffusion Active transport Passive transport Equilibrium
- A white blood cell travels through blood vessels along with red blood cells. A signal from the inside the tissue results in the white blood cell stopping, attaching to the vessel surface, and moving in between adjacent cells that line the blood vessel wall to enter the underlying tissue. Which structure is required for the cell to stop moving? cellulose O integrins O keratin O kinesinIf the cell membrane was completely permeable the concentration inside the cell would be same as Outside give reasonA cell is placed in solution and the size of the cell increases the concentration of solution is said to be
