5. There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells? A. lysosome B. mitochondrion C. nucleus D. ribosome 6. Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. H H H H H H H H Which of the following best describes the type of transport across the cell membrane? A. active transport B. passive transport C. facilitated diffusion D. co-transport 7. Which type(s) of cells have genetic material that is contained in a nucleus? A. bacteria B. plants only C. animals only D. both plant and animal cells

5. There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells? A. lysosome B. mitochondrion C. nucleus D. ribosome 6. Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. H H H H H H H H Which of the following best describes the type of transport across the cell membrane? A. active transport B. passive transport C. facilitated diffusion D. co-transport 7. Which type(s) of cells have genetic material that is contained in a nucleus? A. bacteria B. plants only C. animals only D. both plant and animal cells

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter5: Structure And Function Of Plasma Membranes

Section: Chapter Questions

Problem 7RQ: A scientist compares the plasma membrane composition of an animal from the Mediterranean coast with...

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A scientist compares the plasma membrane composition of an animal from the Mediterranean coast with one from the Mojave Desert. Which hypothesis is most likely to be correct? The cells from the Mediterranean coast animal will have more fluid plasma membranes The cells from the Mojave Desert animal will have a higher cholesterol concentration in the plasma membranes The cells’ plasma membranes will be indistinguishable The cells from the Mediterranean coast animal will have a higher glycoprotein content, while the cells from the Mojave Desert animal will have a higher lipoprotein content.
1. The cells of a celery stick have a salt concentration of 1% and a nucleic acid concentration of 4%. The celery stick is placed into a glass of salt water solution. The solution contains a salt concentration of 0.6% and a nucleic acid concentration of 6%. The salt can pass through the membrane, but the mucleic acids cannot. a) Describe the movement of the ions and the end results. Use appropriate terminology to explain your answer. b) Draw a labeled diagram of the movement of water (assume that only the substances mentioned can influence the movement of water).
3.-Substances are removed from the cell-due-to-the- connection of the membrane structure of the Golgi- apparatus with the cytolemma. The contents of such-a- structure are thrown outside the cell. This process-is- called: A. Pinocytosis B. Osmosis C.Exocytosis D. Facilitated diffusion E. Endocytosis C
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?
ume left 2:11 A herbivore was poisoned after feeding on the leaves of plant Z. Which organelle in plant Z is most probably involved in the mentioned scenario? O a. Transport vesicle O b. Food vacuole O c. Lysosome O d. Central vacuole O e. Golgi apparatus The hydration shell is usually formed in: An agueous solution with dissolved substances
1. Discuss the function of the following organelles. a. Endosome b. Lysosome c. Peroxisome d. Golgi Apparatus 2. Discuss the difference between smooth ER and rough ER in terms of their function and structures. Please answer question 1 (a,b,c,d) and question 2. Thank you
1. From the 3 postulates of cell theory, choose one and give your explanation. 2. Where would you expect to find more mitochondria –in a skin cell or in a muscle cell? Justify your answer.
9. Proteins synthesized in the rough endoplasmic reticulum are most often intended for: A. packaging and export from the cell. B. like mitochondrial ETC complex I & II. C. items like microtubule synthesis. D. items like glycolytic enzymes. E. items like cytoskeletal spectrin synthesis. 10. Messenger RNA often encodes more that one biological activity. These activities can then be selectively released by specific proteases that often recognize: A. disulfide bridges. B. basic amino acid pairs. C. stop codons. D. proline-glycine-hydroxyproline sequences. E. formylated methionine.
1. Give the names and functions of the following cellular organelles. a. Mitochondria b. Rough Endoplasmic Reticulum C. Nucleus 2. What are two advantages of compartmentation in eukaryotic organisms? 3. What is the difference between cytosol and cytoplasm?
13. Define cell. Name three basic cell features in all living organisms. (found both in prokaryotes and eukaryotes) *
1. Which of the following are components of the eukaryotic cytoskeleton? Solect all that apply. Group of answer choices Intermediate Filaments Actin filaments Glycogen Collagen Microtubules Myosin 12. What is the function of structure F shown in the figure below? C. E. B. A. F. G. M. Н. L. K. J. I. O Synthesis of cellular energy in the form of ATP O Lipid syntheais and calcium storage O Photosynthesis O Protein synthesis 13. Which cellular structure is important in detoxification and lipid synthesis? Transport Vesicle Golgi Apparatus Central Vacuole Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum 14. Phosphodiester bonds are used to link together Nucleotides together in a nucleic acid Amino acids together in a protein Fatty acids together in a phospholipid Sugars together in a polysaccharide
+ 1. What are the components of the cytoskeleton in an animal cell? Fill in the table below to explain: Type of Cytoskeletal Structure Subunits and Shape Size (smallest, intermediate, largest) Function(s) Associated Motor Proteins Microtubules Intermediate Filaments n/a Microfilaments 0