Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 3SQ
Cell membranes consist mainly of a _________.
- a. carbohydrate bilayer and proteins
- b. protein bilayer and phospholipids
- c. phospholipid bilayer and proteins
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Elastic nature of plasma membrane is due to the presence of
(a) lipids
(b) proteins
(c) carbohydrates
(d) water
The function of the cell membrane is similar to the function of what human organ system?
A. Digestive
B.integumentary
C.muscular
D. Skeletal 
The plasma membrane isa. a carbohydrate layer that surrounds groups of cells to protect them.b. a double lipid layer with proteins inserted in it, which surrounds every cell individually.c. a thin sheet of structural proteins that encloses cytoplasm.d. composed of proteins that form a protective barrier.
Chapter 3 Solutions
Human Biology (MindTap Course List)
Ch. 3 - Describe the general functions of the following in...Ch. 3 - Which organelles are in the endomembrane system?Ch. 3 - Distinguish between the following pairs of terms:...Ch. 3 - What do enzymes do in metabolic reactions?Ch. 3 - In aerobic cellular respiration, which reactions...Ch. 3 - For the diagram of the aerobic pathway shown in...Ch. 3 - The plasma membrane __________. a. surrounds the...Ch. 3 - The _________ is responsible for a eukaryotic...Ch. 3 - Cell membranes consist mainly of a _________. a....Ch. 3 - Prob. 4SQ
Ch. 3 - The passive movement of a solute through a...Ch. 3 - Match each organelle with its correct function.Ch. 3 - Which of the following statements is not true?...Ch. 3 - Enzymes _______. a. enhance reaction rates b. are...Ch. 3 - Match each substance with its correct descriptionCh. 3 - Cellular respiration is completed in the ______....Ch. 3 - Prob. 11SQCh. 3 - In a mitochondrion, where are the electron...Ch. 3 - Prob. 1CTCh. 3 - Jogging is considered aerobic exercise because the...Ch. 3 - Section 3.17 mentions that arsenic poisons human...Ch. 3 - The cells of your body never use nucleic acids as...
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- Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forwardExplain the structure of cell membrane. If it is not bi-layer (only one layer of lipid) what may happened?arrow_forwardCreate a table the organelles, the cytoplasm, their location and their function a. mitochondria b. ribosome c. golgi bodies d. lysosomes e. Nucleus f. cytoplasmarrow_forward
- All cells have all of the following except a. plasma membrane. b. genetic material. c. cytoplasm. d. cell wall.arrow_forwardWhich of the following is NOT a component of the cell plasma membrane? A. cholesterol B. proteins C. microfi laments D. phospholipidsarrow_forwardWhich of these cell junctions are open channels that connect the cytoplasm of adjoining plant cells? A. Adhering junctions B. Tight junctions C. Gap junctions D. Plasmodesmataarrow_forward
- What structure cannot be found in ALL cells? Explain why A. Mitochondria B. DNA C. Cell membrane D. Cytoplasm F. Ribosomesarrow_forwardWhich of the following statements is false?a. The plasma membrane is the outermost componentof all cells.b. The cell is the basic unit of life.c. All living cells contain cytoplasm.d. Some eukaryotes are single-celled and others aremulticelledarrow_forwardWhich of the following cell organelles is absent in animal cells but present in a plant cell? a. Cell wall b.Cytoplasm c. Vacuoles d. Mitochondriaarrow_forward
- Tonoplast, also called vacuolar membrane is a differentially permeable membrane surrounds the ______. A cytoplasm B vacuole C nucleus D mitochondriaarrow_forwardMichael was born with Tay-Sachs disease. Which of the following organelles in Michael’s cells lacks a specific enzyme that digests organic molecules? a. mitochondria b. lysosomes c. Golgi apparatus d. centriolesarrow_forwardWhich of the following statements about cellular membranes is/are FALSE? A. Only lipids move Within the membrane, while the proteins are anchored and immobile. B. Membranes are composed of lipids and proteins. C. Substances may be transported across membranes by active transport, facilitated transport or diffusion. D. Membrane proteins are classified as integral or peripheral, upon their functionarrow_forward
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