Which of the following molecules is least like to enter a cell by simple diffusion? Oxygen Carbon dioxide Steroid hormones Fatty acids Sodium

Q: Phospholipids ______________     are synthesized in the mitochondria     are amphipathic…

A: INTRODUCTION Amphipathic molecules have hydrophilic or water loving polar end and hydrophobic water…

Q: Which of the following molecules would be able to passively diffuse into or out of the cell?…

A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…

Q: Which of the following would require a protein for movement into and out of the cell?     Glucose…

A: Cell  membranes serve as barriers to most molecules but not all. A major step in cell evolution was…

Q: Which of the following would not be able to pass through the plasma membrane without the help of…

A: Plasma membrane is the selectively permeable membrane which forms the external boundary of the cell.…

Q: The carbohydrate on glycosylated protein or lipids in membrane functions DOES NOT include (choose…

A: Glycosylation is the process of addition of carbohydrates to protein and lipids. It occurs in the…

Q: Select all of the following which are normally found in higher concentrations inside the cell. PO4-…

A: From the following the normally concentration of k+ Potassium is higher inside the cell.    The…

Q: All of the chemical reactions within a cell occur in the Nucleus Golgi apparatus OCytoplasm…

A: All of the chemical reactions within cell occurs in the Cytoplasm. Enzymes are inside the cytoplasm…

Q: In diffusion, molecules move Select one: from wither high or low concentration. against a…

A: Membrane transport is defined as the process where the solutes such as small molecules or ions move…

Q: Which of the following would not be a constituent of a plasma membrane? glycolipids O glycoproteins…

A: All cells in living beings have three common things, namely cytoplasm, DNA, and a plasma membrane.…

Q: Which of the following would lead to an increase in the rate of diffusion? O Decrease in…

A: Diffusion is a form of passive transport. It involves the movement of solutes from an area of higher…

Q: Which of the following organelles is non-membranous? Rough endoplasmic reticulum Lysosome…

A: Eukaryotic cells are characterized by membrane-bound organelles, unlike prokaryotes which lack them.…

Q: Which of the following molecules is more likely to diffuse through a synthetic lipid bilayer (i.e. a…

A: Part A. The protein backbone is the repetitive structure with nitrogen, alpha-carbon and carbon…

Q: The resting membrane potential of a cell is polarized, meaning that it has a _____ charge on the…

A: The action potential generates when depolarization of the membrane occurs by a stimulus. The change…

Q: Which is NOT a component of the cell membrane? Nucleic Acids Sterols O Phospholipids Proteins

A: The cell is the basic unit of life. All living organisms are made up of cells. They can be either…

Q: which molecule can diffuse readily through the cell membrane O oxygen O Protein O DNA

A: Diffusion is a process in which the movement of substance is from the area of the high concentration…

Q: Which of the following is TRUE for plasma membranes of cells? Sugars exist on the outer surface, the…

A: The cell membrane or plasma membrane is described as selectively permeable. It plays a critical role…

Q: Which molecules diffuse the easiest across the plasma membrane without the aid of a…

A: The plasma membrane of the cell is the controlling element that regulate the movement of different…

Q: Which of the following cell membrane proteins allows movement of molecules? Group of answer choices…

A: Transport of molecules through plasma membrane occurs via active transport, which requires ATP, or…

Q: Which of the following serve as signaling molecules located along the membrane?     Glycolipids…

A: Lipids are a macro biomolecules made of fatty acid monomers, naturally occurring organic compounds…

Q: Which term best describes the specificity of a virus for its host? O lyticism O lysogeny tissue…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Osmosis is considered a special case of diffusion because water requires energy and a protein to get…

A: The substance’s movement from higher concentration to lower concentration in a particular area is…

Q: Which of the following can diffuse most easily through the cell membrane?     N2     Ca++…

A: Need to find which can diffuse easily through the cell membrane among the given option.

Q: Which of the following phospholipid is considered as structural components of nervous tissue?…

A: Phospholipids are found in high concentrations in the nervous tissue.

Q: What is the difference between diffusion and facilitated diffusion?

A: Diffusion is a process by which particles move from higher concentrations to lower concentrations.…

Q: What type of protein is present in the cell membrane? O Transmembrane and Peripheral O Peripheral…

A: The cell membrane, also called the plasma membrane, is a double layer of lipids and proteins that…

Q: Which of the following would not be able to pass through the plasma membrane without the help of…

A: Introduction  Transmembrane proteins are proteins that span the lipid bilayer of the plasma membrane…

Q: Each of the following molecules can move across membranes by simple diffusion except carbon dioxide…

A: The free movement of molecules across the semipermeable membrane according to the concentration…

Q: Which of these can never cross the lipid bilayer without the help of a transporter or a channel? O…

A: Lipid bilayer molecule is made up of bilayer of phospholipid.The lipid bilayer is fat .The lipid…

Q: Which of the following is the primary component of the plasma membrane? Cholesterol Glycolipids…

A: Plasma membrane is the outermost layer of the cell that is chiefly in protection of the cell from…

Q: Which one of the following will have the most difficulty in crossing the plasma membrane

A: The cell membrane is a biological membrane that separates and shields the interior of all cells from…

Q: Which of the following would be the most thermodynamically unfavorable membrane lipid activity…

A: The plasma membrane or cell membrane (any biological membrane) of the cell is composed of…

Q: Which of the following is NOT correct: The quantity of ER inside a cell fluctuate depending on cell…

A: Endoplasmic reticulum is the transportation system of eukaryotic cell and has many other functions…

Q: The lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most of…

A: Lungs are important organ of the respiratory system that carries out the filtration and oxygenation…

Q: Which of the following complexes is not involved in pumping protons to the inter-membrane space? O…

A: Complex I, Complex II, Complex III, and Complex IV are the series of protein complexes that transfer…

Q: Which of the following is not a common process to all cells?       transport         metabolism…

A: Cell is the basic structural and functional unit of life.

Q: Why is it important that some molecules diffuse freely across the membrane

A: The plasma membrane:It is selectively permeable for small polar molecules and hydrophobic molecules…

Q: What components of the plasma membrane might this molecule interact with?

A: Molecule is atorvastatin It is a  drug that specifically inhibits the enzyme HMG-CoA reductase and…

Q: What kinds of molecules pass through a cell membrane most easily?     small and hydrophobic…

A: Cell Membrane: The cell membrane is also referred to as a plasma membrane and is found in almost all…