Hydrophoblc Interactions between molecules In the cytoplasm are cruclal because O They provide the necessary atoms in reactions They facilitate the proper conformation of molecules O They allow covalent bond formation among reactants O They direct the rate of chemical reactions in cells
Q: ?Molecule in which opposite ends have opposite electric charges إختر أحد الخيارات Polar molecule A O…
A: Introduction Polarity is the property shown by the molecules with two opposite electrical charges…
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A: 1) water is a polar molecule . It is formed via the covalent bond between two hydrogen atoms and one…
Q: formed between two different polar molecules. Tollowing describes O Covalent O jonic Hydrogen O…
A: A polar molecule is a chemical species in which the distribution of electrons between the covalently…
Q: Compounds good at forming hydrogen bonds tend to O have low boiling points O be hydrophobic O have…
A: Introduction: Option 5 is correct.
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A: Threonine is an amino acid that is used in the biosynthesis of proteins. It contains an alpha-amino…
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A: Proteins are unbranched polymers constructed from 22 standard a-amino acids. They have four levels…
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A: ORGANIC SOLVENT are carbon based substances that are capable of dissolving and dispersing substrates…
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A: Those biomolecules that are made up of a large number of molecules and need in large amounts for the…
Q: Which of the following reactions combines two monomersto produce a polymer?a. dehydrationb.…
A: Answer is a.) dehydration.
Q: Why are hydrocarbons insoluble in water? O They are lighter than water. O They are hydrophilic. The…
A: Hydrocarbons are organic molecules are made up of hydrogen and carbon. The long chains of carbon are…
Q: What are typical characteristics of organic molecules in living organisms? O Neither O Carbon atoms…
A: Organic molecules in living organisms are usually larger and more complex than inorganic molecules.…
Q: Which of the following statement is true about proteins: * They function as catalysts, they…
A: Proteins are necessary for the human body because they aid in the formation of bones and tissues.…
Q: The cholesterol molecule is OA. an aromatic ring OB. a straight chain acid O c. a steroid OD.…
A: The cholesterol molecule is a type of lipid molecule that is essential for the proper function of…
Q: Like oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it…
A: A biomolecule is defined as the molecule and ions present in organisms. Biological molecules are…
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A: Adenosine triphosphate (ATP) is a three-phosphate nucleotide. The addition of phosphorous to the…
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A: Option (e). All of these is the correct answer. Reason: There are many effects of hydrogen bonding…
Q: ake place within your body are
A:
Q: Draw a “dot & cross” diagram to show the shape of a water molecule (H2O). Bond angles need to be…
A: The "Dot and Cross" diagram is a representation of molecules that shows how the valene electrons are…
Q: The centrifuge machine is used to separate molecules based on their: O a. Reactive properties O b.…
A: For the separation of different biological components and molecules, the centrifugation is commonly…
Q: Which factor is least likely to result in protein denaturation? disruption of weak interactions by…
A: Protein denaturation is the process by which a protein loses its tertiary structure and therefore…
Q: ___________ covalent bonds are between atoms which share the e- equally. Atoms will vary in their…
A: A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.…
Q: acids: basic building blocks of protein molecules. acid: a nucleic acid; the master copy of an…
A: Nucleic acids - These are biomolecules which make up the genetic material of the cell. They are made…
Q: Why are phospholipids the main lipid component of membranes? A. these molecules can interact with…
A: Introduction: Phospholipids are the main component of the cell membranes. They form the lipid…
Q: In mixing compounds with water, the polarity of the compounds helps predict their solubility. When a…
A: Covalent bonds:- When the electron pairs are shared by the atoms, then a covalent bond is formed.…
Q: Your protein has a pI of 8.34 and is in a pH 7 buffer. Which of the chromatographs below would you…
A: *Cation exchange chromatography is an ion exchange chromatography used to separate molecules based…
Q: Alkaliphiles are organisms that thrive in extremely basic environments. Which type of interaction(s)…
A: Alkaliphile is an extremophile that belongs to archae bacteria.
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A: Since the beginning of the twentieth century, hydrogenation has been employed to make hard-stocks…
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A: Plasma membranes are composed of two leaflets made up of lipids. The lipids present in the plasma…
Q: A frozen lake in winter with fish swimming below the surface is possible because of which property…
A: Lake ecosystem is a type of ecosystem in which biotic and abiotic factors interact with each other.…
Q: Biological interactions O Always involve the dimerization of proteins must be entropically…
A: Biologically, there are several molecules such as proteins, which show several interactions with…
Q: Oils can be converted to fats by a commercial process catalyzed by nickel which is called partial…
A: Oils are nonpolar, unsaturated lipids that are liquid at room temperature. they are hydrophobic…
Q: ATP is a compound that is formed when O O digestive enzymes break amino acids into smaller parts.…
A: ATP is the energy currency of the cell. When the cell needs energy, ATP molecules are broken down…
Q: have primary, secondary, tertiary, and sometimes quaternary structure can increase the rate of…
A: Ans:- Option (C) is right -----Are chemically changed during thier participation in chemical…
Q: What do double bonds in phospholipid fatty acid tails contribute to? preventing high temperatures…
A: Double bonds in fatty acid chains indicate that fatty acids used in the phospholipid are unsaturated…
Q: ge Bonds formed by equal sharing of a pair of covalent electrons are called bonds because there is a…
A: A chemical bond is a lasting attraction between atoms , ions, or molecules which allows chemical…
Q: Carbons is used in cells for a) forming the charge across the membrane by serving a positive…
A: Cell mass - Composed of elements present in nature out of which carbon is a very important element.
Q: The slight positive charge of a hydrogen atom in one water molecule is drawn to the slight negative…
A: Opposite charges attract one another.
Q: Carbon is able to form an immense diversity of organic molecules because of carbon's O tendency to…
A: Proteins, nucleic acids (RNA and DNA), carbohydrates, and lipids are among the numerous complex…
Q: O Tightly bound metal ions can stabilize transition states.
A: ans is D Tightly bound metal ions stabilize transition state Abstract We have used ethylation…
Q: A phospholipid ________.a. has both polar and nonpolar regionsb. is made up of a triglyceride bonded…
A: The organic compounds that are not soluble in water are called lipids.
Q: Noncovalent interactions between molecules found in cellular systems include the fol EXCEPT:…
A: Biomolecules are molecules present in biological system like proteins, fats, carbohydrates, nucleic…
Q: Phospholipids are important components of__________.a. the plasma membrane of cellsb. the ring…
A: Introduction The plasma membrane in eukaryotes is usually a bilayer structure that contains lipids,…
Q: htrinsically disordered or unstructured sequences within a protein O allow keratins to form…
A: Introduction Proteins are formed by 20 standard amino acids with the limited amino acids…
Q: Which biomolecule/s can you observe in large amounts in a cell membrane? Select the correct…
A: Cell membrane is a semipermeable barrier which surrounds the cell. It only allows only selected…
Q: Phospholipids are important components of ________.a. the plasma membrane of cellsb. the ring…
A: Phospholipids are a group of lipid molecules. It is characterized by the presence of a hydrophobic…
Q: Which of the following are proteins? O cholesterol O ion channels O phospholipids O glycolipids O…
A:
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A: Triacylglycerol is also known as Triglycerides(TG), it is composed of a glycerol backbone esterified…
Q: Potassium Chloride is a common salt that provides essential ions in the functioning of cells. In the…
A: An atom does not bear any charge while ions have either a positive or negative charge on them. This…
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- Which of the following statements are correct about how the complex biological matrix of the cell may affect protein folding, stability and function (select all that appy)? A. ATP tends to "bounce" along the surfaces of many proteins without forming a stable complex B. Proteins make up approximately 30% of the total volume of the cytoplasm in a typical cell C. Compettition between drug molecules and metabolites in the cytoplasm may cause unexpected drug side effects not seen with individual proteins in solution. D. Large protein complexes move faster through the cytoplasm than small metabolites. E. Complex intercations between proteins in the cell may significantly destabilize a protein compared to the isolated protein in waterBoth H+ and Ca2+ are ions that move through thecytosol. Why is the movement of H+ ions so much fasterthan that of Ca2+ ions? How do you suppose the speed ofthese two ions would be affected by freezing the solution?Would you expect them to move faster or slower? Explainyour answer.The cardiovascular, respiratory, and gastrointestinal systems all worktogether to ensure that cells of the human body are able to carry out vitalreactions including aerobic respiration and protein synthesis. Write a short account to explain how each of these three systems ensure that cells receive the required raw ingredients needed for such cellular reactions, and how two of the systems contribute to the removal of thewaste products created. You must focus on how these three systems are adapted and inter-related to ensure that the molecules required for aerobic respiration and protein synthesis are made accessible to body cells where these cellular reactions take place. In addition, you should consider how two of these systems work together to remove waste products that are formed during cellular reactions from cells to be excreted. All three systems must be considered, and you should include specificdetail such as the role of named enzymes in the gastrointestinal tract, and named…
- Glycolipids and glycoproteins on membranes are most directly involved in _____________. Select one: a. cellular communication b. respiration c. cell energetics d. protein synthesis e. creating a nonzero membrane potentialCells specialized for absorption of matter from the ECF are likely to show an abundance of:- a. lysosomes. d. secretory vesicles. b. microvilli. e. ribosomes. c. mitochondriaVesicle transport occurs between the ER and the Golgi in bothdirections. Let’s suppose a researcher added a drug to cells thatinhibited vesicle transport from the Golgi to the ER but did not affectvesicle transport from the ER to the Golgi. If you observed cellsmicroscopically after the drug was added, what would you expect to seehappen over the course of 1 hour?a. The ER would get smaller, and the Golgi would get larger.b. The ER would get larger, and the Golgi would get smaller.c. The ER and Golgi would stay the same size.d. Both the ER and Golgi would get larger.e. Both the ER and Golgi would get smaller
- Why would it not be useful for all cellular reactions to go to equilibrium for the cell to maintain homeostatic conditions?Metabolism can be defined as the ________.a. adjustment by an organism to external or internalchangesb. process whereby all unspecialized cells becomespecialized to perform distinct functionsc. process whereby new cells are formed to replaceworn-out cellsd. sum of all chemical reactions in an organismThe Na+–K+ pump isa. a peripheral protein.b. a transmembrane protein.c. a G protein.d. a glycolipid.e. a phospholipid.
- Which of these amino acids is NOT a common attachment point for sugars in glycoproteins? A) Gly b) Ser c) Thr d) Asn In I-cell disease defective proteins are mislabeled which should be delivered to which organelle? A) nucleus b) mitochondria c) rough endoplasmic reticulum d) lysosome A glycoprotein involved in red blood cell production is: a) hemagglutinin b) erythropoietin c) p-glycoprotein d) cytochrome cWhich of the following organelles produces largequantities of ATP when both glucose and oxygen areavailable to the cell?a. mitochondriab. peroxisomesc. lysosomesd. ERWhich of the following proteins would not be produced in the Rough Endoplasmic Reticulum? A) insulin B) extracellular matrix proteins C) antibodies D) cytoplasmic proteins E) plasma membrane proteins