6. Which of the following proteins does not function in cell-cell interaction? a) Cadherin b) Cytochrome c c) Integrin d) N-CAM
Q: 51. Monoamine oxidase inhibitor is used to treat certain types of major depressive and phobic…
A: Introduction Neurotransmitters are very important for our body. They act as chemical messengers.…
Q: 1. What are the effects of pH and temperature to catalase? What is the optimum pH and optimum…
A: Hi! Thank you for the question. We have answered first four questions as it belonged to enzyme and…
Q: 23. is used in the first reaction of the citric acid cycle and regenerated upon completion of one…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Fibrous proteins polymers of amino includes intermediate filaments some function as enzymes soluble…
A: Proteins are large, complex molecules that are essential for life. They are made up of long chains…
Q: Clinical and biological aspects of vitamin K deficiency
A: Vitamin K is a group of fat-soluble vitamins that play a crucial role in blood clotting and bone…
Q: What is the role of ATP in cellular metabolism?
A: ATP is the energy currency the cell spends on metabolic transactions. ATP is a nucleotide, composed…
Q: What is the ∆G naught' for a phosphoryl transfer from ATP to glycerol? The hydrolysis of…
A: The phosphoryl transfer reaction from ATP to glycerol can be represented as: ATP + glycerol → ADP +…
Q: DNA and RNA based techniques
A: DNA, or deoxyribonucleic acid, is a long, double-stranded molecule that carries the genetic…
Q: 6. The enzyme prostaglandin endoperoxide synthase (PTGS) catalyzes the conversion of arachidonic…
A: Parameters such as Km and Vmax are used for comparing enzyme activities. If we know the initial rate…
Q: What are prostaglandins? Name them. Write their functions.
A: Introduction: Prostaglandins are a group of lipid molecules derived from fatty acids that have…
Q: the peptide sequence in single letter code is T N C H P, please hand draw a peptide diagram…
A: The primary structure of proteins tells us the sequence of arrangement of amino acids in a…
Q: 25. Alternative routes . The most common metabolic sign of mitochondrial disorders is lactic…
A: When lactic acid builds up in the bloodstream, it forms lactic acidosis. Generally, when oxygen…
Q: 1.0.1 mL of a protein solution of concentration of 11 mg/mL was diluted to a total volume of 4.0 mL…
A: The four types of biological macromolecules are nucleic acids proteins lipids and carbohydrates.…
Q: need to now the migration distance for protein A and and also the distance fort protein B please
A: The migration distance of a protein in a gel electrophoresis experiment depends on several factors,…
Q: The partial sequence of one strand of a double-stranded DNA molecule is…
A: EcoR1 and Pst1 are types of restriction endonuclease, that have the property of cleaving the DNA at…
Q: or question 1, oleic acid should be counted for palm too. and 74% is unsaturated fat for coconut.
A: Fatty acids are carboxylic acids with hydrocarbon chains that contain anywhere between 4 to 36…
Q: Fill in the blanks below using the correct molecule from above: 4. I provide instructions for…
A: Molecules of life are the building blocks of all living organisms. These molecules are essential for…
Q: Which of the following amino acids cannot be synthesized by the body? Select the correct…
A: Amino acids are the building blocks of proteins. Although, proteins are synthesized in the body, not…
Q: Define enzymes. Explain nomenclature and IUBMB classification with suitable examples.
A: Introduction: Enzymes are biological macromolecules that catalyze biochemical reactions, allowing…
Q: The table below shows the purification of liver lactate dehydrogenase. Purification Table of liver…
A: Yield is defined by how much protein activity is preserved in the enzyme sample after purification.…
Q: [Glucose Phosphate] 45 35 15 Glucose-phosphate production at four blood sugar levels [0.25] and…
A: Hexokinase catalyze the conversion (phosphorylation) of Glucose to Glucose 6 phosphate (mentioned as…
Q: Draw the resonance structures for the peptide bond. Explain why the peptide bond is referred to as…
A: The peptide bond is formed between the carboxyl group (-COOH) of one amino acid and the amino group…
Q: Describe the role of pH in the lysosomal pathway, starting in the ER and ending with a functioning…
A: The lysosomal pathway is a complex cellular process that involves the formation and maturation of…
Q: Who deduced the double-helical structure of DNA? a) Watson and Francis Crick b) Frederick Sanger c)…
A: Watson and Francis Crick are credited with deducing the double-helical structure of DNA in 1953.…
Q: Determine a molecular cause that allows explaining the BIOCHEMICAL alterations found in the…
A: a total cholesterol level of less than 200 mg/dL (5.2 mmol/L) is considered desirable and associated…
Q: 1. When the velocity of enzyme activity is plotted against substrate concentration, which of the…
A: The velocity of enzyme activity plotted against substrate concentration typically follows a…
Q: Define polysaccharides. Classify them and write their importance.
A: Introduction: Carbohydrates are a significant source of calories and a source nutrients for the…
Q: Which of the following is abundantly found in collagen?
A: The correct answer is C) Glycine. Collagen is a fibrous protein that makes up a significant portion…
Q: create or design a concept map explaining in one page using figures, illustrations, and a few…
A: Type I glycogen storage disorder is also called as Glucose 6 phosphatase deficiency disorder. It…
Q: Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn…
A: Insulin is a hormone produced by the pancreas that plays a critical role in regulating blood glucose…
Q: The diagram below represents genes (indicted by letters) on two nonhomologous chromosomes, where the…
A: A mutation is a change in an organism's genetic material (DNA sequence). It can happen naturally or…
Q: 20. How can humans obtain the fatty acid shown below? oling HO a. de novo synthesis b. from the diet…
A: Fatty acids (FA) are building blocks of fats and oils in our body, it is consist of a carboxylic…
Q: RNA-Seq is a next-generation sequencing method used to quantitatively profile the cellular…
A: Introduction DNA acts as a genetic material in almost all living organisms. It is a self replicating…
Q: Deactivating kinesin-13 during congression in anaphase A would directly prevent which of the…
A: Microtubule dynamics are critical for various cellular processes, including mitosis, cell migration,…
Q: Participation Problem: Chapter 10, Problem 4: The lipid portion of a typical bilayer is about 30 Å…
A: The alpha helix structure falls under the category of regular secondary structure that repeats…
Q: Compare and contrast fatty acid biosynthesis and B-oxidation. fatty acid biosynthesis (16.2)…
A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons.…
Q: 9. In the graph below what is the K₁ for the agonist? Occupancy 1.0- 0.75- 0.5- 0.25- 0 -10 9 8 7 6…
A: KA is the equilibrium dissociation constant of the interaction of an agonist (A) with its receptor…
Q: Classify carbohydrates with examples; write biological importance of any two.
A: Introduction: Carbohydrates are a group of organic compounds that play an essential role in the…
Q: What is the role of Proteinase K in DNA isolation? A. Inhibit enzymes B Catalyze breakdown of…
A: Proteinase K is a broad spectrum serine protease. The predominant site of cleavage is the peptide…
Q: You are trying to confirm that an enzyme you are studying has the following amino acid in its active…
A: Amino acid inhibitors are molecules that can interfere with the function of specific amino acids by…
Q: What is the metabolic mechanism of diabetes? Cite reference/s
A: Diabetes mellitus is a chronic metabolic disorder with complex pathogenesis that is characterized by…
Q: 2. 0.1 mL of a protein solution of concentration of 7 mg/mL was diluted to a total volume of 4.0 mL…
A: The c1v1 formula is a mathematical expression that is used to calculate the relationship between the…
Q: The pKa of the protonated, positively charged form of the side chain of histidine is approximately…
A: Given, the pKa of the protonated, positively charged form of histidine is pKa = 6.
Q: During a hike throughout the deepest depths of the Amazon rainforest, you encounter a chest…
A: We have to make some assumptions to solve this problem. First, we assume that the reaction in…
Q: They are phenolic compounds. They are monoamine compounds. They act as hormones. They are anionic in…
A: Dopamine is a type of neurotransmitter and hormone. Epinephrine is a catecholamine that exerts its…
Q: How many ATP are produced when a 18-carbon fatty acid is completely oxidized by a cell that has a…
A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons.…
Q: What is the role of Polyvinylpyrrolidone in DNA isolation? A. Cell lysis B Remove polyphenols C…
A: PVP is Polyvinylpyrrolidone the structure of which is shown below: Plants are rich in phenolics…
Q: Mention the function of cyclic AMP.
A: Introduction: Cyclic AMP (cAMP) is a signaling molecule that acts as a second messenger in many…
Q: Find Kcat value =slope From the graph attached
A: Kcat or turnover number says us about the maximal number of substrate molecules that are transformed…
Q: Fill in the blanks: In the given reaction below, the amino acid HN NH₂ OH N. HN- undergoes NH₂2…
A: Fill in the blanks:- In the given reaction below, the amino acid histidine undergoes decarboxylation…
Step by step
Solved in 3 steps
- Which of the following proteins does not function in cell- cell interaction?a) Integrinb) Cadherinc) N-CAMd) Cytochrome c5) The process by which a cell copies its DNA before it divides is called: A) DNA replication B) Transcription C) Mitosis D) TranslationWhich of the following processes could be/are conducted by lysosomes? A) synthesis of mRNA B) Krebs cycle C) phagocytosis – the breakdown of ingested bacteria or autophagy-the breakdown of damaged mitochondria inside the cell D) RNA synthesis E) all of these.
- 21. Which of the following is the most prominent ultrastructural characteristic of interstitial (Leydig) cells? A) Centrioles B) Numerous microtubules OC) Rough endoplasmic reticulum OD) Smooth endoplasmic reticulum OE) Zymogen granules12) Match the cell-cell junction on the left with the appropriate function on the right. Note that more than one letter may apply for a particular function and that each letter may be used more than once or not at all. A) Gap junctions provides a very strong attachment point between cells B) Desmosomes allow easy movement of large amounts of substances between adjacent cells C) Plasmodesmata seals the plasma membranes of adjacent cells together, preventing the movement of molecules between them D) Tight junctions5- The function of carbohydrates in the cell membrane is primarily: a) Providing structural integrity b) Assisting in the diffusion of water-soluble substances c) Serving as receptor sites for hormones d) Forming glycoproteins 6- Which of the following cellular structures is responsible for producing energy? a) Nucleus b) Golgi apparatus c) Mitochondria d) Endoplasmic reticulum 7- The region within the cell that surrounds the nucleus is called: a) Cell membrane b) Cytoplasm c) Golgi apparatus d) Endoplasmic reticulum. 8- Which of the following cellular structures is responsible for storing genetic information? a) Nucleus b) Ribosome c) Lysosome d) Vacuole 9- The organelle that is responsible for protein synthesis in a cell is: a) Nucleus b) Mitochondrial c) Ribosome d) Golgi apparatus
- 1. Describe the relationship between the following cellular structures and contents. a) endoplasmic reticulum and the nuclear envelope B) centriole and microtubules C) ribosome and nucleolus D) plastids and pigments8) What makes a liver cell a liver cell and not a brain cell? A) The fact that it is found in an organ known as the liver B) The cells next to the liver cell dictate its identity C) The specific genes that the liver cell contains D) The specific genes that the liver cell expresses 7) The membranes of mictochondria, chloroplasts, and bacteria do all of the following except A) Pump ions against concentration gradients B) Generate ATP C) Generate chemical gradients D) Catalyze the reaction of the krebs cycleGrisofulvin is an antifungal agent that affects: select the correct answer. a) the chitin cell wall structure b) ergosterol in the cell membrane c) the formation of the mitotic spindle in mitosis d) the 50s ribosomal subunit and thus protein synthesis e) mRNA synthesis
- 3) The structure that confers structural strength on the cell is known as the A) cytoplasmic membrane. B) cell wall. C) ribosome. D) cytoplasm.15- Which organelle is known as the "powerhouse" of the cell due to its role in producing energy? a) Nucleus b) Lysosome c) Vacuole d) Mitochondria 16- What is the function of ribosomes in a cell? a) Storage of genetic information b) Synthesis of proteins c) Breakdown of waste materials. d) Synthesis of lipids 17- Which of the following is NOT a function of the nucleus in a cell? a) Storage of genetic information b) Control of cell activities c) Synthesis of proteins d) Reproduction of the cell 18- Which organelle is responsible for packaging and sorting proteins for transport within the cell or secretion outside the cell? a) Endoplasmic reticulum b) Nucleus c) Golgi apparatus d) Vacuole 19- What is the function of the cytoskeleton in a cell? a) Cellular respiration b) Cellular communication c) Cell division. d) Structural support and cell movement1.Hemocytes are stem cells which become Red Blood Cells (RBC). The RBCs are filled with a protein called hemoglobin. Such a cell product is stored in cell structures that are: a) formed from the nucleus, b) formed from as vesicles from the endoplasmic reticulum, c) engulfed into the cell by pinocytosis, d) released into the blood by exocytosis e) ingested by phagocytosis. 2.The Prokaryotes are associated with the following structures EXCEPT: A) ribosomes, B) Lysosomes and liposomes, C) a nucleoid area, D) mesosomes, E) chlorophyll. 3. In the evolution of cell specialization, the molecule ATP is important because it: a) supplies energy needed to synthesize macromolecules within the cell. b) supplies energy required to pump substances across the plasma membranes. c) is the energy source for muscles to contract. d) All of the choices are correct. e) None are correct 4. Which of the following exhibits embryonic development by the protostome pathway? a) mollusk, b) sharks, c) amphibians,…