Describe the cytosolic sucrose synthesis pathway.
Q: Why can’t fatty acids be used to synthesize glucose?
A: Fatty acids refers to a long aliphatic chain of hydrocarbons along with carboxylic acid. It is an…
Q: Why do adipose cells appear empty?
A: Adipose tissue are the specialized connective tissue that consists of lipid rich cells known as the…
Q: On the given choices which is an activator of fatty acid biosynthesis?
A: A fatty acid is a carboxylic acid with a saturated or unsaturated aliphatic chain. The unbranched…
Q: Define coenzyme
A: Enzymes are the biocatalyst that increases the rate of a chemical reaction within the living cells.…
Q: List the products of the citric acid cycle.
A: The citric acid cycle can be defined as the TCA cycle or the Krebs cycle – is a series of chemical…
Q: Direct synthesis of ATP such as in step 5 of TCA and step 7 of glycolysis is known as?
A: In glycolysis, glucose is broken down to pyruvate by the action of enzymes involved in the pathway.…
Q: From where is the enzyme lactase secreted?
A: Enzymes are proteinaceous structures that catalyze biochemical reactions without themselves…
Q: Why is glycogenesis necessary? Why is glycogenolysis necessary?
A: Glycogen is a polymer of glucose molecules linked by α-1,4 and α-1,6 glycosidic linkages which makes…
Q: The rate-limiting enzyme of fatty acid synthesis pathway is
A: Fatty acids can be synthesized from carbs and amino acid when taken in excess. The enzymes required…
Q: Define lactose
A: Disaccharides are carbohydrates which contain two molecules or two units of monosaccharide. Two…
Q: Why is it that sucrase cannot catalyze the formation of sucrose from glucose and fructose?
A: Sucrase enzymes are set on the brush border of the little internal organ.
Q: What kind of reaction is catalyzed by each of the following enzymes? a. citrate decarboxylase b.…
A: An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which…
Q: Explain the physiological role of transacetylase ?
A: Transacetylase is an enzyme that transfers an acetyl-CoA to galactosides and lactosides. It is coded…
Q: Experienced runners know that it is poor practice to ingest very large amounts of glucose/sucrose…
A: After having a meal insulin start acting on the ingested food to regulate the glucose level.
Q: Why can’t the reactions of the glycolytic pathway simply be run in reverse to synthesize glucose?
A: Metabolic pathways are defined as the set of chemical reactions occurring in the body. Metabolic…
Q: Compare between the Kreb cycle and fatty acid synthesis pathways in term of:
A: KREB CYCLE FATTY ACID SYNTHESIS METABOLIC PATHWAY Amphibolic (both catabolic and anabolic)…
Q: Explain Citric Acid Cycle.
A: The citric acid cycle is also called as Krebs cycle. It is a series of reactions that take place…
Q: Define the terms glycogen, glycogenolysis, and glycolysis.
A: Glycogen is a polymer of glucose that serves as an energy storage form in bacteria, animals &…
Q: Give the complete chemical equation for glycogenesis.
A: Carbohydrates are one of the main sources of energy in the body. Carbohydrates are compounds made up…
Q: Explain the pathways for synthesis of glucose from noncarbohydrate molecules.
A: Gluconeogenesis is considered as the process, in which glucose molecules is synthesized from the…
Q: Name the anabolic pathway that synthesizes fatty acids.
A: Fatty acid synthesis is the important anabolic pathway in most organisms which involves de novo…
Q: How many molecules of ATP are required to synthesize one molecule of CTP from scratch?
A: ATP is an organic compound and hydrotrope that provides energy to drive many processes in living…
Q: Describe how fatty acids are in the cytosol based on sources of fatty acids.
A: Fats are made up of fatty acid chains (acting as tails of fats) attached to either glycerol or…
Q: Identify the regulatory processes in cholesterol synthesis.
A: Cholesterol is considered the major sterol present in animal tissue. It is present in the animal…
Q: why are ketones formed during starvation
A: Biochemical reactions involves a series enzyme-catalyzed reactions that involves the generation of a…
Q: Describe the activation of fatty acids. What is the energy cost for the process?
A: The terminating chain of hydrocarbons that consist of groups of carboxylic acids is called fatty…
Q: Name the starting material for fatty acid synthesis.
A: The starting material which is used for the synthesis of fatty acid through lipogenesis process is…
Q: Is Lacl and example of
A: Positive regulation is the process in which the activator binds to the operator and the…
Q: Define glucose
A: Several biomolecules are present in nature that are necessary for our body. Biomolecules are simple…
Q: What kind of protein is lactase, the biomolecule that speeds up the breakdown of lactose?
A: Proteins are bimolecules as well as biopolymers composed of amino acids as their monomeric units.
Q: Describe how the citric acid cycle is regulated
A: Citric acid cycle : It is a series of chemical reactions used by all aerobic organisms to generate…
Q: Is it possible for fatty acid chains to be broken down to produce ATP in the absence of oxygen?
A: Beta oxidation is a catabolic process in which fatty acids are broken down into acetyl co A and…
Q: In what part of the cell does the citric acid cycle take place? Does this differ from the part of…
A: The citric acid cycle take place in the matrix of the mitochondria.
Q: Why does PGAL have the highest potential energy of glycolysis?
A: Introduction: Glycolysis: The Metabolic Mechanism That Transforms Glucose To Pyruvic Acid Is Known…
Q: Define glycogenesis
A: Even when we are resting, our bodies require a constant energy source to carry out everyday tasks…
Q: What citric acid cycle intermediate would be regenerated?
A: A sequence of metabolic pathways takes place in the process of cellular respiration to transform…
Q: In the citric acid cycle, the starting molecule is and the output molecule is
A: Citric acid cycle Citric acid cycle or Kreb's cycle or TCA cycle is a series of reactions that…
Q: Explain how cholesterol synthesis depends on the activity of ATP-citrate lyase.
A: Cholesterol is an important lipid that is responsible for maintaining membrane fluidity of the…
Q: Describe how glycogen degradation and synthesis are coordinated.
A: Introduction: Glycogen is synthesised by a different mechanism than glycogen degradation. The…
Q: describe the process naming all middle substance, enzimes and coenzymes that are involved with…
A: Glycogen is a highly branched, very large polymer of glucose molecules linked along its main line by…
Q: What is the difference between glycogenesis and glycogenolysis?
A: Glucose is the main energy providing biomolecule present in our body. Glucose is required in the…
Q: Explain the integrated regulation of glycogenesis and glycogenolysis.
A: Carbohydrate is a major macromolecule made up of carbon, hydrogen, and oxygen. They are also known…
Q: How does the cell keep the processes of fatty acid synthesis and degradation separated?
A: Fatty acid synthesis is the creation of fatty acids from acetyl-CoA and NADPH through the action of…
Q: Describe the role of multifunctional enzymes in both fatty acid synthesis andoxidation.
A: the role of multifunctional enzymes in both fatty acid synthesis and oxidation:
Q: Which of the following is NOT required for fatty acid synthesis?
A: The dietary carbs and amino acid if taken in excess can be converted to fatty acid ans stored as…
Describe the cytosolic sucrose synthesis pathway.
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- Define Proteasomes.a) Describe the three irreversible reactions of the Citric Acid Cycle. Ensure to indicate their purpose/role, the substrates and products, the enzyme involved, and any significant features of the reaction. b) Why are these reactions considered irreversible (why can't they be reversed)? c) Using one of the reactions as an example, explain why it is important for the cell that the reaction is irreversible.Identify the molecules that enter the oxidative-phosphorylation pathway and the products that form.