1. Which is the membranous part that transports substance and serves as a site of lipid synthesis? Is it a smooth ER or a rough ER? 2. What is the energy storage of the cell? 3. What are the five parts of a cell that is present in both plant and animal cells? 4. What are the four parts of a cell that serves as the transport system of a cell?

1. Which is the membranous part that transports substance and serves as a site of lipid synthesis? Is it a smooth ER or a rough ER? 2. What is the energy storage of the cell? 3. What are the five parts of a cell that is present in both plant and animal cells? 4. What are the four parts of a cell that serves as the transport system of a cell?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter4: Cells

Section: Chapter Questions

Problem 7TYK: Which of the following statements about proteins is correct? a. Proteins are transported to the...

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Which of the following statements about proteins is correct? a. Proteins are transported to the rough ER for use within the cell. b. Lipids and carbohydrates are added to proteins by the Golgi complex. c. Proteins are transported directly into the cytosol for secretion from the cell. d. Proteins that are to be stored by the cell are moved to the rough ER. e. Proteins are synthesized in vesicles.
1) Why can cell membranes be polar? What does polar mean? 2) What are the basic cytoskeletal components of a cell? What does an animal cell have that no other cell has in the cytoskeleton?
1. What is an exocytosis? 2. What is an endocytosis? 3. Explain the types of endocytosis and give example 4. Explain the steps involved in phagocytosis. 5. Why endocytosis found only in an animal cell? 6. What is the main difference between endocytosis and exocytosis?
1. The cell membrane separates aqueous interior of a cell from the aqueous environment surrounding the cell. What are the components of cell membrane? Give at least three (3) component and discuss their functions. 2. What are HDL, LDL, IDL, VLDL and chylomicrons?
1. Imagine a hypothetical situation in which an animal cell such as a hepatocyte or a macrophage would completely lose the ability to produce membrane proteins. a) What would be the structural and molecular organization of such a hypothetical cell? b) How do you think this situation would affect the function of that cell? Be as thorough as you can.
1.Describe the cytoskeleton function in cell movement. 2.What is the Endomembrane System?
1. During a wound infection, the bacteria Clostridium perfringens produces collagenase, an enzyme that breaks apart collagen, as one of its virulence factors. What do you predict would be the most likely outcome of this collagenase production? A. Breakdown of connections and structure of the extracellular matrix B. Blockage of signal transduction C. Lysis of the phospholipid bilayer of cells D. Degradation of tight junctions 2 The primary cell wall of plants is made mostly of the structural carbohydrate ______, which is a polymer of the monosaccharide glucose. A. starch B.cellulose C.glycogen D.peptidoglycan 3. The protein integrin binds to actin filaments and, by binding to proteins like fibronectins, connects to collagen. In this manner, integrin ______. A.controls the permeability of the cytoplasmic membrane B. suspends organelles within the cytoplasm C. provides a direct linkage between the cytoskeleton and the extracellular matrix D. helps keep individual cells in place and…
1. What effect does increasing temperature have on the rate of diffusion? 2. Why must a membrane be "semi-permeable" in order for osmosis to occur? 3. What will happen to the shape and appearance of leaf cells if they are placed in a high salt (hypertonic) solution? Why?
1. Compare the different ways that substances move across membranes. 2. Imagine that you have given blood, but a sample of your red blood cells is accidentally stored in distilled water instead of a saline solution. Predict and explain what would happen to the cells. Use a diagram to support your answer. 3. Explain the fluid mosaic model of a cell membrane, use a diagram to explain your answer. Then briefly describe the 4 functional roles membrane proteins play, also add diagrams to your answer. 4. Describe the difference between an unsaturated fat and a saturate fat. Include information about molecules, bonds, and properties of the substance as a whole.
In plants, the cell wall forms as a young plant cell secretes polysaccharides onto the outer surface of its plasma membrane. Being thin and pliable, this primary wall allows the cell to enlarge and change shape. At maturity, cells in some plant tissues deposit material onto the primary wall’s inner surface. Why doesn’t this secondary wall form on the outer surface of the primary wall?
1) All of the following are functions of proteins within a membrane except __________. A)Maintaining the fluidity of membranes B)transport ions and other polar substances C)receptors to bond molecules outside of the cell D)helping the body to recognize its own cells 2) Which of the following organelles is not part of the endomembrane system A)mitochondria B)golgi apparatus C)lysosomes D)rough endoplasmic reticulum 3) Which cytoskeletal element is composed of actin and is involved with muscle contraction and provided strength to cells during stretching and compression? A)Microfilimants B)Intermediate filaments C)Microtubules D)Flagella
3. The protein integrin binds to actin filaments and, by binding to proteins like fibronectins, connects to collagen. In this manner, integrin ______. A.controls the permeability of the cytoplasmic membrane B. suspends organelles within the cytoplasm C. provides a direct linkage between the cytoskeleton and the extracellular matrix D. helps keep individual cells in place and connects adjacent cells to each other