Which set of substances requires either channel or transport proteins in order to cross the cell membrane? O A. H20, NaCl, C,H1206 O B. N2, H20, NH3 O C. NaCI, NH2CONH2, 02 O D. N2, H20, C6H1206 SUBMIT
Q: In which of the following ways are bacterial cells similar to human cells? a. Bacterial cells have…
A: Prokaryotes are those organisms which lack a membrane bound nucleus. They consist of eubacteria and…
Q: A. Using what you learned about the forms of passive transport, fill out the following Ve diagram.…
A: Simple diffusion is a form of diffusion that does not require the assistance of membrane proteins.…
Q: X What is the function of the structure labelled X? 4 Select one: a. move cells b. increase the rate…
A: The given diagram represents the fluid mosaic model of plasma membrane. All the cells are enclosed…
Q: 3. Explain the fluid mosaic model of a cell membrane, use a diagram to explain your answer. Then…
A: Plasma membrane is a bilayer of lipids. Plasma membrane provides protection and acts as a…
Q: Make an illustration/representation that will show how cell membrane carry out function of…
A: Cell membranes are a barrier to most substances, and this property allows materials to be…
Q: Which statement regarding types of cells is accurate? a The presence of internal membranes…
A: The cell is the fundamental unit of life which vary in size, shape, structure, and function.…
Q: The most important factor that limits the size of a cell is the a. quantity of proteins and…
A: The cell is the basic structural, functional, and biological unit of all known organisms. A cell is…
Q: A scientist compares the plasma membrane compositionof an animal from the Mediterranean coast with…
A: Answer- The cells from the Mojave Desert animal will have ahigher cholesterol concentration in the…
Q: An antibody will be synthesized and secreted outside of the cell, which structure is the site of the…
A: Antibodies (immunoglobulins) are glycoprotein molecules and synthesized and secreted by the…
Q: Which transport mechanism can bring whole cells into acell?a. pinocytosisb. phagocytosisc.…
A: The transport mechanism of the cell helps in the transportation of the molecule inside as well as…
Q: Compared with a smaller cell, a larger cell of the sameshape has(A) less surface area.(B) less…
A: Cell is the basic membrane bound unit that contains the fundamental molecules of life that is why it…
Q: Cystic fibrosis usually results in chloride channels that do not work properly. This leads to many…
A: Introduction:- In normal cells the CFTR gene does the function of moving chloride ion from the…
Q: Which of the following scenarios describes the process of osmosis? a) An amoeba engulfs a food…
A: OSMOSIS:- The movement of the water or solvent from its higher concentration to the lower…
Q: Which cell part helps to control the materials that enter and leave a cell? A. nucleus B.O cell wall…
A: Cell is the basic unit or the fundamental unit of life. Basically cell is of two types:-…
Q: What kind of membrane proteins trigger a change in cellular activity in response to a stimulus? A.…
A: Stimulus - Stimulus is defined as the foreign particle which influences the cell to respond to the…
Q: A chemical works as a disinfectant by poking holes in bacterial cell membranes. Why would this stop…
A:
Q: Which one of the following structures between two adjacent cells is an effective transport pathway?…
A: All living cells are divided into eukaryotic or prokaryotic cells. Plant cells are eukaryotic cells,…
Q: The cell membrane surrounds some smaller molecules in solution and takes them into the cell. This is…
A: Introduction: A bilayer forms the cell membrane. This is composed of phospholipids with polar,…
Q: Which process uses special proteins on the surface of the membraneto identify specific molecules for…
A: BASIC INFORMATION PROTEINS These are formed by the different amino acids These amino acids are of…
Q: Diseased animal cells may produce molecules thatactivate death cascades to kill the cells in a…
A: Cell communication is the capacity of cells to communicate with nearby cells inside a creature. The…
Q: The cytoplasmic connections from cell to cell are known as: A middle lamella B…
A: The cell wall is an outer protective membrane in many cells including plants, algae, and fungi. The…
Q: Regulating transport of substances in and out of the cell is the a. cell membrane. b. nuclear…
A: The basic structural and functional unit which makes the body of all living organisms is a…
Q: how can a cell's shape influence the rate of diffusion
A: Cell is a elemental units of the body and is basic structural organization in which various…
Q: What is the visible structure at the edge of the type of cell represented by "B"? A. В. cell wall O…
A: Cell It is a membrane bound unit. It constitutes molecules and substances that living beings are…
Q: High Surface area to volume ratio allows cells to do what quickly?
A: with the increases in cell size, the volume increases faster than the surface area. this is because…
Q: facilitated diffusion could hap охудen gas
A: Simple diffusion doesn't require energy: A source of ATP is needed for facilitated diffusion. Simple…
Q: A cell exposed to a hypertonic environment will ________ by osmosis.a. gain water b. lose water c.…
A: A cell is defined as the smallest and basic building block of all living things. A membrane that is…
Q: A laboratory technician accidentally places red blood cells in a hypertonic solution. What happens?…
A: A laboratory technician accidentally places red blood cells in a hypertonic solution. What happens?…
Q: Define the following terms: a. semipermeable membrane b. hypotonic c. hypertonic d. crenation e.…
A: The cell is considered as the basic unit, which has the maintained tonicity, which means the…
Q: Which statement correctly describes a difference between simple diffusion and facilitated diffusion?…
A: Simple diffusion permits the passage of only small and nonpolar molecules across the plasma…
Q: Compare and contrast passive and active transport of materials into and out of cells.
A: Cells exchange substances with their surroundings.
Q: Label the diagrams of cells using the following terms: diffusion, active transport, osmosis,…
A: Osmosis is the movement of a solvent across a semipermeable membrane toward a higher concentration…
Q: Which cell junctions form junctions between cells connected to the cytoskeleton? a. tight junctions…
A: In mammals, cell junctions (also known as intercellular bridges) are multiprotein complexes that…
Q: What is the primary function of carbohydrates attached to the exterior of cell membranes? a.…
A: The top layer of animal cells is called the plasma membrane. By Singer & Nicholson, the…
Q: Illustrate by using a diagram: How transport happens in bacterial cells and predict how they…
A: Bacteria are the small single-celled organisms. They are found almost everywhere on the Earth and…
Q: A selectively permeable A. allows some substance to move across the membrane, but not others B.…
A: Selectively permeable means a membrane allows the passage of some molecules or ions and inhibits the…
Q: What is NOT a function of the plasma membrane? a. isolate the cell from its surroundings b.…
A: Plasma membrane Outermost layer(animals). Selectively permeable. Serve as outer boundary. Allows…
Q: A cell is moved from its normal environment in a freshwater river and is suddenly placed into the…
A: There are different kinds of solutions that are available depending on the concentration of the…
Q: a) Difference between Endocytosis and exocytosis b) Difference between DNA vs RNA vs Protein c)…
A: a) Endocytosis is the process of capturing a substance or particle from outside the cell by…
Q: Explain what would occur to a bacterial cell placed in a salt concentration of 10%, that normally…
A: Explain what would occur to a bacterial cell placed in a salt concentration of 10%, that normally…
Q: The breaking of the bond to the last phosphate group of ATP releases energy that can be used by a…
A: Energy is liberated when the ATP breaks into ADP and inorganic phosphate. ATP consists of 3…
Q: Which component of the electron-transport chain is NOT an integral membrane protein? O a. Complex…
A: Electron transport chain or ETC is a pathway in which a series of electron transporters are present…
Q: In _____ conditions, the cell wall will help prevent the cell from bursting.
A: The condition under which the cell wall will help prevent the cell from bursting.
Q: Tonoplast is a differentially permeable membrane surrounding the _____. A Vacuole B…
A: The cells are the basic structural and fundamental unit of the living system. It consists of many…
Q: 17. Cell wall shows (a) complete permeability b semi permeabilty (c) differential permeability (d)…
A: Permeability refers to the ease with which molecules cross a particular biological membrane. In…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Which transport mechanism can bring whole cells into acell?a. pinocytosisb. phagocytosisc. facilitated transportd. primary active transportWhich one is NOT one of the damages caused by free radicals? A. LDL B. DNA C. the cell membrance D. RNAActive transport must function continuously because_______. a. plasma membranes wear out b. cells must be in constant motion c. facilitated transport opposes active transport d. diffusion is constantly moving the solutes in the other direction
- Molecules that are too large to be moved across a cell membrane can enter the cell by? A. Diffusion B. Passive transport C. Osmosis D. Active transport B.passiveIf a Gram-positive bacteria is treated with penicillin, and then placed into a hypotonic solution, what is likely to happen to the cell? O A. osmotic lysis OB. plasmolysis O C. nothing would happen O D. bacteria cell would go into dormant state.An antibody will be synthesized and secreted outside of the cell, which structure is the site of the antibody synthesis? O A. plasmodesmata O B. tight junctions oc lysosomes O D. Tough ER O E. Golgi vesicles
- Which type of bond helps to hoid the polypeptidn chains togather in an antibady? O disulfide Ob. lonic OE. tydrogen Od. polar covalent bond QUESTION 21 The process of a plasma cell first producing one type of antitiody and then changing to produced a different type is called Oa Clenal expansion ObB cell actiyation Oc Memary response Oa Phetiotype (class) switching QUESTION 22 Without there is no adaative immune response Oa macrophages OG Blymphocytes Ou plasma cells Ou.TlymphocylesHow many types of molecules are transported by the transport proteins: symporter and antiporter? a. 1 b. 2 c. 3 d. 4Which one of the following structures between two adjacent cells is an effective transport pathway? A Plasmalemma B Plasmodesmata C Plastoquinones D Endoplasmic reticulum
- Soluble proteins are packaged into transport vesicles by binding to a. cargo receptors b. clathrin coat c. adaptin d. tethering proteinsFor each item choose the letter of the best answer. No need to write the explanations. 37. How does a cell identify incoming or outgoing substances? A. Uses cell metabolic processes B. Uses cell transport system C. Uses cell recognition proteins D. Uses polarity of membrane to attract substances 41. Osmosis is considered a form of diffusion. Why? A. It depends on a concentration gradient. B. it requires a semipermeable membrane. C. It depends on a water potential gradient. D. It moves from a high to low area of concentration. 42. Which is NOT true about the factors that can affect the rate of diffusion? A. application of pressure increases the rate of diffusion B. higher temperature results in a faster rate of diffusion C. the solubility of the solute does not affect the rate of diffusion D. the higher the density of the solvent, the slower the rate of diffusion 45. Which of the following is NOT true about facilitated diffusion? A. requires energy B. requires a carrier protein C.…When cellular transport through the plasma membrane must be provided with energy in form of ATP to power the transport process, what is this called? A. Selective permeability B. Passive transport C. Active transport D. Diffusion