exist almost exclusively on the exterior side, but not on the cytoplasmic side of th the glycolipids to this side of the membrane. of the membrane is not thick enough to accommodate carbohydrates. are only added to lipids on the lumen side of the ER and Golgi membranes. are removed from the cytoplasmic side by glycosylase enzymes.
Q: The reaction of glutamate and NH4* to yield glutamine is catalyzed by a) Uridylyltransferase b)…
A: Glutamine and glutamate are important amino acids for the metabolism of body. Though they are not…
Q: Reducing power for the synthesis of fatty acids is produced in which reactions? conversion of…
A: The fatty acid synthesis starts from acetyl Co-A which is an intermediate of the TCA cycle. The…
Q: If your body does not take in protein, but only carbohydrates and lipids, what atoms will it be…
A: Introduction: Macromolecules are large molecules that perform many biological functions in our…
Q: ANSWER QUESTION A AND B. A protein was recently discovered to be located in the nucleus. However, it…
A: The proteins that are translated in the cytosol are subsequently targeted to their appropriate…
Q: 1/[S] The figure is a Lineweaver-Burk plot. Which of the following is equal to the x- intercept in a…
A: Lineweaver Burk plot : Graphical representation of enzyme kinetics. X-axis : reciprocal of…
Q: Draw the zwitterionic structure of asparagine. .
A: An ion with two functional groups is known as a zwitterion. It's an ion with both positive and…
Q: 1. Most pure proteins are insoluble in pure distilled water but dissolve in dilute salt…
A: When a protein's ionic strength is low, its solubility rises as the salt concentration rises. The…
Q: 11. Express the Haworth projection of glucose. Show its alpha and beta and H H- -ОН HO- -H H- -OH H-…
A: Haworth projection is a way of representation of monosacharides in a cyclic ring structure in a…
Q: Show the reaction mechanism for the catabolism of proline.
A: Proline plays an important role in metabolism and is being recognised as an important amino acid in…
Q: Question #8 Shown below are the chemical structures of several cofactors that are used in enzyme…
A: The names and properties of the coenzymes are as follows:
Q: Is there a difference in net charge between heteromeric protein and monomeric protein assuming they…
A: Heteromeric protein has subunits made up of different polypeptide chains. Monomeric proteins are…
Q: For effective metabolic pathway regulation, a(an) ______ binds to the enzyme catalyzing the first…
A: The enzyme acts as a catalyst in various metabolic reaction that takes place in our body.
Q: 1 Chemistry of Life: Biomol Which of the following is NOT a carbon based molecule. O nucleotide O…
A: Introduction: Biomolecules are molecules of compounds that are needed for life. They occur naturally…
Q: Modify isoleucine to show the predominant forms at pH 1, 7, and 13. Isoleucine has pK, values of 2.4…
A: Proteins are polymer of amino acids , and each of the amino acid residue is linked to its…
Q: During hydrogenation, cis double bonds are converted to trans double bonds. In the lab, we compare…
A: Cis and trans Fatty acids have hydrogen atoms organised in different manner where cis fatty acids…
Q: Which exchange resin can be used to separate two tripeptides (MDEA and CKRF)? A. Both B and C B.…
A: chromatography technique is a biochemistry technique widely used to separate the proteins in order…
Q: Same sense mutation is usually non-destructive due to the degeneracy of codons. Group of answer…
A: Same sense Mutations are the point mutations that lead to form a different codon but it is…
Q: Based on image of protein (enzyme), need to know: a) Number of amino acids and length (Angstroms)…
A: We are given the tertiary structure of a protein (enzyme). Here; the grey spheres indicate carbon…
Q: Please answer fast In an enzyme-catalyzed reaction, the rate of the reaction depends on which of…
A: Enzymes are biocatalysts which increase the rate of biochemical reactions. The rate of an enzyme…
Q: eptor initiate which of the following? (select all that apply) a G protein signaling mechanism…
A: G protein couple receptors are are located integrally on the cell membrane ,they generate…
Q: List reaction or pathways of fatty acid oxidation and biosynthesis affected by insulin and glucagon.
A: The process of beta-oxidation of fatty acids occurs in the mitochondria and is responsible for the…
Q: Arrange each compound according to its solubility in water. Assume that each acylglycerol contains…
A: Hydrophobicity is the association that is observed if nonpolar groups or molecules are placed in an…
Q: ___________ is considered an important amphibolic pathway which plays a major role in oxidative…
A: Amphibolic pathway meaning that they can perform both catabolic(breakdown) and anabolic(synthesis)…
Q: What is the mechanism that makes Bacteria resistant to Beta-lactams
A: Beta-Lactams: A four-membered lactam is known as a beta-lactam ring and lactam is a cyclic amide,…
Q: How does PFGE separate larger fragments more efficiently than standard electrophoresis? 2. Why is…
A: Gel electrophoresis is a analytical method for characterization of DNA and RNA and the visualization…
Q: Beta-Oxidation of a 15:14⁹ fatty acid will result in the production of which of the following? 7…
A: The given fatty acid is composed of 15 carbon and it has a single double bond present in it. It…
Q: 14 carbon methyl pyruvate is added to isolated liver tissue and molecule is used to block succinate…
A: Pyruvate is the end product of the glycolytic pathway. Gluconeogenesis is the pathway that can…
Q: all amino acids degraded in the same pathway? Why?
A: The degradation of amino acids converts them to citric acid cycle intermediates or their precursors…
Q: Describe mechanisms by which synaptic transmission is rapidly stopped. Why is it important that…
A: The termination of neurotransmitters can occur in three ways: reuptake, enzymatic breakdown in the…
Q: Which amino acid is classified as neutral and non-polar?
A: Amino acids are building blocks of proteins. Amino acids make peptides bond with each other to form…
Q: A B C E D FO
A: Omega-6 and omega-3 fatty acids are polyunsaturated fatty acids also called PUFA. The scientific…
Q: Which of the following enzyme catalyzes the conversion of pyruvate to lactate? O a) Pyruvate…
A: Proper anaerobic conditions allow lactate to be produced from pyruvate. In the aerobic conditions,…
Q: Which of the sugars in the following figure is/are D sugars? Choose all correct answers. CHO CHO CHO…
A: First question: D-configuration refers to any chemicals that can be linked to (+)-glyceraldehyde…
Q: The citric acid cycle is mainly controlled at the first two NADH-producing reactions catalyzed by…
A: Citric acid cycle is the second stage of cellular respiration during which Acetyl CoA is reduced to…
Q: What do COX enzymes synthesise?
A: Arachidonic acid acts as the precursor of the molecules known as eicosanoids. There are two pathways…
Q: Please provide the reaction mechanism of the following reaction and indicate the direction of…
A: Introduction: Glycolysis is the series of enzyme-catalyzed reaction that converts glucose into…
Q: Which of the following intermediates serve as the brain’s primary source of energy during prolonged…
A: Starvation is the stage during which there is an unavailability of food and there occurs a drastic…
Q: 60%-70% of bone composition
A: the inorganic composition bond means a chemical compound that does not have any C-H bond which means…
Q: Humans do not undergo net synthesis of carbohydrate from acetyl- CoA, yet carbons of acetyl -CoA can…
A: Since you have posted multiple questions we will answer the first question for you. If you want any…
Q: An intermediate of the citric acid cycle that undergoes reductive amination with glutamine as…
A: Citric acid cycle is the second stage of cellular respiration that occurs in mitochondrial matrix…
Q: Many early attempts at enzyme engineering tried to design so-called catalytic antibodies. This…
A: Enzymes function by lowering the activation energy of the transition state of a chemical reaction.…
Q: Illustrate the biochemical pathways for one complete cycle of b-oxidation of fatty acyl CoA (giving…
A: Beta oxidation is a biochemical process in eokaryotes by which fatty acids broken down in cytosol.…
Q: How much ATP is produced from 1-stearoyl-2-arachidonyl-3-tridecanoyl glyceride? Show complete…
A: The given triglyceride molecule will be converted to stearic acid, arachidonic acid, tridecanoic…
Q: What is the mechanism for human get infected with the pathogen that causes giardiasis
A: Giardiasis is a common diarrheal disease that can be seen all over the world. The flagellate…
Q: Draw the structure of triglyceride containing the fatty acids palmitic, oleic, and linoleic. How…
A: Triglycerides are typically made of a glycerol backbone along with three fatty acids bonded to the…
Q: Follow the instructions. Typewritten for an upvote. No upvote for handwritten. PLEASE SKIP IF YOU…
A: Entropy is the measure of disorderness or randomness of any substance on the basis of phase…
Q: What is the preparation condition for culturing a mould sample?
A: Introduction: Mold is a fungal specimen which is grown in filamentous structure called hyphae. They…
Q: The following enzyme has an exact integer number of turns. What is the length and amount of amino…
A: Enzyme are usually composed of proteins while some enzymes are ribozymes (RNA enzymes). Proteins are…
Q: Explain polygenic inheritance (EC)
A: Polygenic inheritance is a condition where the inheritance of a particular trait is controlled by…
Q: How does hemoglobin bind O2 cooperatively? A. The binding of one molecule of O2 to one subunit of…
A: About 5 billion red blood cells are found in a milliliter of human blood. Each RBC contains around…
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
- In a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a. hydrophilic tails; hydrophobic heads b. hydrophilic heads; hydrophilic tails c. hydrophobic tails; hydrophilic heads d. hydrophobic heads; hydrophilic tailsWhich of the following statements are acceptable and why? [Whereas all the carbohydrate in the plasma membrane faces outward on the external surface of the cell, all the carbohydrate on internal membranes faces toward the cytosol.] [Although lipid molecules are free to diffuse in the plane of the bilayer, they cannot flip-flop across the bilayer unless enzyme catalysts called phospholipid translocators are present in the membrane.]Which of the following is not a lipid link that anchors membrane-associated proteins to the bilayer? Thioether-linked prenyl anchors. Ester-linked triacylglycerol anchors. Glycosyl phosphatidylinositol anchors. Thioester-linked fatty acyl anchors. Amide-linked myristoyl anchors.
- In addition to vitamin A (retinoic acid), which other fat-soluble vitamin has been shown to make lysosomal membranes more unstable and vulnerable to rupture (when the cytosol is acidic)? vitamin E (in the form of a-tocopheryl succinate) vitamin B12 (in the form of cyanocobalamin) vitamin C (in the form of ascorbic acid) vitamin B2 (in the form of riboflavin) vitamin B1 (in the form of thiamine)Which of the following are important factors in the folding of globular proteins in the cytosol? Select as many as apply. Non-polar side chains are normally found on the exterior of proteins Proteins are hydrophobic polymers The cytosol is an aqueous environment. Non-polar side chains tend to group together away from water Proteins are composed of nucleotides Proteins contain both polar and non-polar side chains Peptide bonds are very weak and easily brokenWhich statement about N-linked glycosylation is correct? N-linked oligosaccharides are attached to proteins one sugar at the time in the endoplasmicreticulum. N-linked sugars are attached to proteins as a 14 residue oligosaccharide during translation in the endoplasmic reticulum. N-linked sugars are attached to proteins as a 14 residue oligosaccharide during translation inthe cytoplasm. N-linked sugars are attached to proteins as a 14 residue oligosaccharide after translation inthe Golgi apparatus.
- Which of the following correctly describes how high levels of fatty acid structures contribute to the rigidity of the cell membrane? The cell membrane becomes more rigid as the amount of unsaturated fatty acids with a kinked structure increases. The cell membrane becomes more rigid as the amount of unsaturated fatty acids with a kinked structure increases. The cell membrane becomes more rigid as the amount of saturated fatty acids with a straight structure increases. The cell membrane becomes more rigid as the amount of saturated fatty acids with a straight structure increases. The cell membrane becomes less rigid as the amount of unsaturated fatty acids with a straight structure increases. , , The cell membrane becomes less rigid as the amount of unsaturated fatty acids with a straight structure increases. , , The cell membrane becomes less rigid as the amount of saturated fatty acids with a straight structure increases.Eukaryotic membrane fluidity can be decreased by which of the following mechanisms? decreasing the number of fatty acids attached to glycerol in membrane lipids increasing the number of carbons in the fatty acids of membrane lipids increasing the degree of unsaturation in the fatty acids of membrane lipids decreasing the number of membraned organelles in the eukaryotic cell increasing the number of branched-chain fatty acids of membrane lipidsWhich of the following statements best describes the synthesis of secreted proteins? a.) Secreted proteins are typically synthesized in the smooth endoplasmic reticulum and carried to the Golgi apparatus in vesicles. b.) Secreted proteins are typically synthesized in the rough endoplasmic reticulum and carried to the Golgi apparatus in vesicles. c.) Secreted proteins are typically synthesized in the Golgi apparatus. d.) Secreted proteins are typically synthesized in the cytoplasm and diffuse to the Golgi apparatus.
- Eukaryotic membrane fluidity can be increased by which of the following mechanisms? increasing the number of fatty acids attached to glycerol in membrane lipids decreasing the number of branched chain fatty acids of membrane lipids decreasing the number of carbons in the fatty acids of membrane lipids decreasing the number of membraned organelles in the eukaryotic cell increasing the degree of saturation in the fatty acids of membrane lipidsBiological membranes are critical components of cells that allow compartmentalisation of cellular contents. The diagram shows a biological membrane comprised of a lipid bilayer with a single polypeptide integrated into the membrane and spanning the membrane seven times. What types of amino acids are likely present in the parts of the polypeptide chain labelled 1-7 and in the parts of labelled A-G? What is the name of the effect that forces the polypeptide to arrange itself like this within the lipid bilayer? Give an example of a type of molecule that can move freely across the lipid bilayer and explain why it can do so based on its chemical properties.Which of the following fatty acids, if incorporated into a typical eukaryotic membrane phospholipid, would be the most likely to increase that membrane's fluidity? arachidonic acid with 20 carbons and two carbon-to-carbon double bonds stearic acid, with 18 carbons and no carbon-to-carbon double bonds None of the above arachidonic acid with 20 carbons and three carbon-to-carbon double bonds