Apoptosis of a human cell can occur when a set of cellular events happens, including: (select all that apply!) a. destroying the 70S ribosomes. ☐ b. chopping up the chromosomes. c. disintegrating the cytoskeleton. ☐ d. shattering the nucleus.
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- Which of the following will promote apoptosis? Select one: O a. electron transfer in cytochrome c b. synthesis of proteins on ribosomes Oc. endocytosis Od. d. double strand break of DNA e. anaphaseAssuming that apoptosis fails and the cell continues through several cell cycles... what would the repercussions of this be? A. a tumor (possibly malignant) may develop- result of cells actively dividing when they are not supposed to B. organ failure C. too many cells would be in G0 and not carrying out daily functions D. too many mutated cells would be in the body and the body would shut downSome genetic diseases cause deficient activity of lysosomes. What would be the direct consequence of these diseases? a.Fewer macromolecules within the cytosol. b.Less degradation of old organelles. c.Increased hydrolysis of macromolecules. d.Reduce rate of endocytosis.
- Which of the following is NOT a function of lysosomes? a. digesting particles taken in by endocytosis b. help in the formation of cell membranes c. degrading worn-out or nonfunctional organelles d. breaking down bone to release calcium ions into the bloodd Glycoproteins are placed on the surface of the cell for identification of the cell from other cells, since multiple subunits and both proteins and carbohydrates it would be produced by which of the following Select one or more: a. golgi apparatus b. polyribosomes c. rough endoplasmic reticulum Od. smooth endoplasmic reticulumThe following organelle is the site of protein modification after protein synthesis: O a. Nucleus b. Rough Endoplasmic Reticulum O c. Lysosome Od. Mitochondria e. Golgi apparatus A
- Which of the following is not a function of the smooth endoplasmic reticulum? Group of answer choices a.Provides a site for ribosome attachment b.Supplies membrane for use throughout the cell c.Makes steroid hormones d.Makes glycoproteinsWhich of the following is not an internal or external factor that controls cell division? a Apoptosis is a special set of controlled steps in which a cell dies intentionally. b When a neighboring cell grows, its cell membrane is touching its neighbor. c Signal receptors on the inside of the cell membrane detect overstretching of the cell membrane when a cell gets too large. d chemical messengers like kinase and cyclin3. Draw a basic Plasma membrane, list and explain the purpose of the 4 major parts. 4. Label the different parts of the Prokaryotic cell below. 1. 2. 3. 4. 5. 6. 7. 8. 7 6 5. What is the difference between Smooth and Rough ER? 6. What is the difference between a lysosome and a vacuole? 7. Why do plants cells have cell walls? What organic compound are they made of? 3 4 5
- One is NOT TRUE about endocytotic movements including pinocytosis and phagocytosis A. Phagocytosis is used against invading microorganisms B. Phagocytosis is a means of feeding in some eukaryotes such as protozoa C. Phagocytosis is important in animal nutrition D. Ingestion of plasma membrane along with extracellular fluid is a kind of pinocytosis E. The materials engulfed will be enclosed by a small portion of the ER membraneA hypothetical poison prevents nucleoli from carrying out their functions. Which organelles would be affected by this poison? What would the cell be unable to do? Explain.A cellular process is shown in stages from left to right in the image. Which of the following is the depicted process, with the correct description of its function? Outiside of cell Plasma Membrane -00 0--00 8-88-8 8-88-8 A. Endocytosis; initiation of signal transduction B. Endocytosis; uptake of nutrients C. Exocytosis; breakdown of wastes D. Exocytosis; secretion of proteins