Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 2, Problem 9MC
Summary Introduction
Introduction:
A biological membrane that separates the internal structures of a cell from the outside environment is referred to as the plasma membrane. It is a bilayer structure present around the cell as well as around the cell organelles. It is composed of lipids and proteins and regulates many life processes of the cell.
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Students have asked these similar questions
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 structure that confers structural strength on the cell is known as the
A) cytoplasmic membrane.
B) cell wall.
C) ribosome.
D) cytoplasm.
Endocytosis results in the production of
a) a vesicle with a single membrane
b) an organelle with enzymes.
c) a vesicle with a double membrane
.
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d) lipids for the plasma membrane.
e) fibers for transporing organelles
Chapter 2 Solutions
Nester's Microbiology: A Human Perspective
Ch. 2 - Differentiate between an atom, a molecule, and a...Ch. 2 -
2. Why is water a good solvent?
Ch. 2 - Which solution is more acidic, one with a pH of 4...Ch. 2 - Prob. 4SACh. 2 - Prob. 5SACh. 2 - What is a structural isomer?Ch. 2 - Name the major groups of lipids and give an...Ch. 2 - List six functions of proteins.Ch. 2 -
9. What are the four levels of protein structure,...Ch. 2 - How do DNA and RNA differ from one another in...
Ch. 2 - Choose the list that goes from the lightest to the...Ch. 2 -
2. An oxygen atom has an atomic number of 8. It...Ch. 2 - Dehydration synthesis is involved in the synthesis...Ch. 2 - The primary structure of a protein relates to its...Ch. 2 -
5. Pure water has all of the following properties...Ch. 2 - When the pH of a solution changes from 3 to 8, the...Ch. 2 - A shortage of nitrogen (N) would make it most...Ch. 2 - Complementarity plays a major role in the...Ch. 2 - Prob. 9MCCh. 2 - The function of a buffer is to a) bring the pH of...Ch. 2 - A group of prokaryotes known as thermophiles...Ch. 2 -
2. Microorganisms use hydrogen bonds to attach to...Ch. 2 - What properties of the carbon atom make it ideal...Ch. 2 -
2. A biologist determined the amounts of several...Ch. 2 - The table on the right indicates the freezing and...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The lysosome O a) is a vesicle for food b) contains oxidase enzymes. c) adds carbohydrate chains to proteins. d) has ribosomes for making proteins e) has a pH of about 5.arrow_forwardWhich of the following statements about cell membranes is NOT true? A) Membranes are sheet like structures, only two molecules thick, that form closed boundaries between different compartments. B) Membranes consist mainly of lipids and proteins. C) Membranes are very rigid, impermeable structures Membrane lipids are small molecules that have both hydrophilic and hydrophobic moieties. D)arrow_forwardName the structure which is used to transfer macromolecules between the cytoplasm and nucleus.a) Microtubulesb) Nuclear poresc) Ciliad) Centriolesarrow_forward
- Which of the following proteins is made by ribosomes that are free in the cytoplasm (NOT on bound ribosomes)? A) proteins that are inserted into the plasma membrane B) proteins that function inside mitochondria C) proteins that remain in the cytoplasm as part of the cytoskeleton D) proteins that function inside a lysosome E) proteins that are secreted from the cellarrow_forwardgive a detailed description of the following organelles: a)Nucleus b)Lysosomes c)chloroplasts d)mitochondriaarrow_forwardWhich of the following is not found within the cytoplasm of a cell? a) Plasma membrane b) Cytosol c) Lysosome d) Mitochondriaarrow_forward
- A cell contains 97% water and it is placed in a 5% salt solution. a) Which contains a higher concentration of water? i) cytoplasm of the cell ii) salt solution b) Which contains a higher concentration of solutes? i) cytoplasm of the cell ii) salt solution c) Cell membranes are selectively permeable, so which of the substances will move across it? i) water ii) salt iii) both water and salt iv) none d) What will happen to the volume of the cell? i) increase ii) decrease iii) stay the same i need help on this hw question. i tried it on my own but im not too sure if it's correct. the following are what i think the answers are: a) cytoplasm of the cell b) salt solution c) water d) decrease it would be helpful if you can confirm my answers and explain what i did wrong, thank you!arrow_forwardJoins an actin bundle in one cell to a similar bundle in a neighboring cell a)Desmosomes b)Tight Junctions c)Hemidesmosomes d)Adheren Junctions e)Gap Junctionsarrow_forwardWhich of the following is not found inside the cell membrane? a) Nucleus. b) Flagella. c) Golgi apparatus. d) Vacuoles. e) Cell wall. Where would one not encounter ribosomes in a cell? a) Embedded in the plasma membrane that forms the smooth endoplasmic reticulum. b) Embedded in the plasma membrane that forms the rough endoplasmic reticulum. c) Floating “free” in the cytoplasm. The liver is an organ that functions to detoxify body fluids of poisonous chemicals (like ethyl alcohol). What organelle within liver cells helps it to accomplish this function? a) Nucleoli. b) Lysosomes. c) Golgi apparatus. d) Smooth endoplasmic reticulum. The cell walls of what type of organism contain the chemical chitin. a) Plants. b) Animals. c) Bacteria. d) Fungi. What organelle produces lysosomes? a) Mitochondria. b) Golgi apparatus. c) Ribosomes. d) Vacuoles. What structure is a large vacuole that lends internal support to…arrow_forward
- The smooth endoplasmic reticulum is responsible for a) bringing substances into the cell. b) fusing with the plasma membrane. c) synthesizing lipids d) modification of lipids and proteinsarrow_forwardOrganelles which destroy food particles that come into the cell. a) lysosomes b) rough ER c) mitochondria d) Golgi apparatusarrow_forwardSteroids such as Estrogen or Testosterone are lipids which are found in the cytoplasm of living cells. They can pass across (dissolve in) the proto cell and prokaryote phospholipid bilayer because they: a) perform dehydration synthesis, b) dissolve in water, c) are ionic, d) they a soluble in the Fatty Acids of the bilayer, e) none are true.arrow_forward
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