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A: The Ribosome is a ribonucleoprotein machine responsible for protein synthesis. They are protein…
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A: Answer. The plasma membrane is a dynamic, quasi-fluid structure and forms the external boundary of…
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A: Cell membranes act as barriers and gatekeepers. Cell membrane is semi-permeable .Cell membrane…
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A: Introduction:- Nucleus known as the cell's command center. The nucleus controls all of the cell's…
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A: Introduction Cell signalling, sometimes referred to as cell communication, is a cell's capacity to…
Q: Seawater is hypertonic to the cytoplasm in vertebrate cells and in plant cells. It a red blood cell…
A: Hypertonic solution A solution is known as hypertonic solution when the concentration of solute is…
Q: The sodium potassium AT Päse Pump functions By transportifg lons Bladiel O True O False Question 4…
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Q: Which process(es) use ATP in a cell? Choose all that apply. A active transport ® moving organelles…
A: Adenosine triphosphate (ATP) is the molecule responsible for providing energy sources for many…
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A: Hemoglobin can be defined as the protein that is present in the blood and is responsible for the…
Q: che eukaryotic cells, the endomembrane system- Secretory Preteins vesides syatheslaed for export…
A: ENDOMEMBRANE SYSTEM The endo membrane system is a collection of membrane-based organelles, that…
Q: The mechanism that permits internal cell physiology to control the structure of the external cell…
A: This is a multiple choice question.
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A: Rab proteins are small G proteins or GTPases which play a role as key regulators of all membrane…
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A: Diffusion: - along the gradient - non-specific with respect to non-polar solutes. - the process of…
Q: Which of the following is not a constituent of a cell’s proteome?a. An enzymeb. A motor proteinc. A…
A: Cell proteome is the total set of proteins expressed by a particular genome under a specific…
Q: Cytoplasm: The ___ of dissolved molecules that ___ the cell and ____ organelles.
A: The question is to fill the blanks with appropriate words.
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A: An organelle is a tiny cellular structure. It carry out particular functions within a cell such as…
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A: The cell gets divided for three reasons. To determine: Which is not the answer from given options.
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A: Tonicity of a solution refers to the presence of osmotic gradients in the solution. The osmotic…
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A: The osmosis is defined a sthe movement of water molecules from the region of higher water potential…
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A: The cell is the primary unit of life for all living organisms. The living part of it is called the…
Q: "Which of the following cell processes depend on the movement of membrane components and would not…
A: Introduction The cell membrane or plasma membrane is present in all cells and helps to separate the…
Q: Which mechanism is most likely used by these cells to transport ions against their concentration…
A: Q . Which mechanism is most likely used by these cells to transport ions against their concentration…
Q: If a cell is placed in a solution that has the same concentration of solutes as in its cytoplasm,…
A: When a cell is submerged in an isotonic solution, there is no net movement of water entering or out…
Q: Which of the following is not a constituent of a cell’s proteome?a. An enzymeb. A cytoskeletal…
A: As we know all living entities have basic structural and functional unit which is cell. There are…
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A: In simple diffusion is a type of passive transport in the cell membrane, atoms that are little and…
Q: Which of the following is not a component of the cytoskeleton?a. microtubulesb. actinsc.…
A: Introduction Our body is formed of various cells. These large number of cells are arranged in a…
Q: None of the above What happens to plasma membrane's surface area after exocytosis? O Increases O…
A: Introduction :- Exocytosis occurs when secretory vesicles fuse with the plasma membrane, resulting…
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A: Cell organelles are the building blocks of a cell. They are useful for conducting various cell…
Q: Which of the following is NOT part of the endomembrane system? O chloroplast O plasma membrane…
A: Introduction: A cell is the smallest unit of life which has a definite structure and a specific…
Q: Which of the following are components of all cells? O plasma membrane ribosomes DNA O All of these…
A: a cell is the functional and strutural unit of an organism . there are different type of cells ,…
Q: What controls the passage of molecules into and out ofthe nucleus?a. endoplasmic reticulum, an…
A: Answer : B nuclear pores, which consist of membrane proteins.
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A: Single base changes induce six nonsense mutations and 14 splice site lesions, with all but one of…
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A: Cell membranes have specialized proteins embedded in the phospholipid bilayer that serve multiple…
Q: The oxygen and carbon dioxide crosses the plasma membrane by the process of Active diffusion Passive…
A: Diffusion is the process by which molecules or substances move from a region of higher concentration…
Q: which surface to volume ratio woud be the most efficient for transmembrane transport of substance in…
A: The transport of molecules across the cell takes place through transporter proteins like channels,…
Q: Which statement about the plasma membrane is INCORRECTR Select one: O a.lt is selectively permeable.…
A: A cell is composed of different structures such as cell wall, cell membrane or plasma membrane and…
Q: A cell membrane with no proteins will still show which process? a) active transport b) facilitated…
A: Introduction :- The cell membrane, also known as the plasma membrane, separates the interior of the…
Q: Cells may bind to each other without actual contact between membranes of each cell.
A: Answer is false
Q: The plasma membrane plays a key role in . communication among cells and between cells and their…
A:
Q: Which of the following is NOT a function of cell membranes? O autolysis during programmed cell death…
A: The cell membrane is also known as the plasma membrane, and it is semipermeable in nature. It is an…
Q: Which of the following best represents active transport? O movement of an ion from high…
A: INTRODUCTION In active transport the molecules like amino acids and glucose move from higher…
Q: In which situation would passive transport not use atransport protein for entry into a cell?a. water…
A: Introduction The cell is bounded by the membranous structure which does not allow the molecules to…
Q: Choose one of the small molecules. List what it's macro- molecule Structure is and describe how the…
A: Glucose molecules- is one of smallest molecules and it provides energy, from the structure of the…
Q: Which of the following is the largest single membrane-bound intracellular compartment? Endoplasmic…
A: The single-membrane organelles are Vacuole, Lysosome and Golgi Apparatus. The largest intercellular…
Why would it not be useful for all cellular reactions to go to equilibrium for the cell to maintain homeostatic conditions?
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- Why is the cell membrane not an absolute barrier between the cytoplasm and the external environment?Why is the Donnan membrane phenomenon important for the homeostasis of the cell?two substances from the table above that would need to move into or out of a cell to maintain homeostasis and explain why
- A cell creates a H+ gradient across a membrane- in other words, a situation is created were the concentration of H+ is higher on one side then the other of a membrane. How can this H+ concentration gradient be used to do work (that the cells needs to do)?Why do cells need to carry out cellular respiration and protein synthesis?What would probably happen to the plasma membrane of a cell if it were composed of hydrophilic molecules such as carbohydrates?
- What characteristic of cell membranes may explain why fat-soluble substances such as chloroform and ether rapidly affectcells?which of the following cellular behavior does not directly depend on the cell membrane/ a)cell-cell communication b)DNA replication c)Cell adhesion d)cell sorting e)Cell signalingWhy cells that ultimately reach an equilibrium is considered dead?