Cleavage of a phosphate bond is needed for de-polymerization of which mature polymer? Neither microfilaments nor intermediate filaments Microfilaments only Both microfilaments and intermediate filaments Intermediate filaments only
Q: What is meant by the statement “The genetic code is universal”? What is the significance of this fin...
A: DNA is deoxyribonucleic acid that contains genetic information. Gene is a segment of DNA that can pr...
Q: What is the importance of cereal safety
A: Cereal is a major form of food consumed worldwide. Cereals are even considered as the common staple ...
Q: Discuss Hemolytic Anemia in line with pentose phosphate pathway
A: Glucose 6-phosphate dehydrogenase (G6PD) catalyzes the first step in the pentose phosphate pathway,...
Q: Explain the Donnan Membrane Phenomenon. Why is it important for the homeostasis of the cell?
A: There occurs different biochemical reactions in the human body. Since a chemical reaction is the con...
Q: If cells synthesizing glucose from pyruvate are exposed to co2 labbeled 14C use the structure of glu...
A: Gluconeogenesis is the synthesis of glucose from non-carbohydrate sources such as pyruvate, glucogen...
Q: Carol now has some idea what you meant by protein but wants to know what you meant by "catalyst." Ex...
A: Lactose intolerance is a condition in which taking milk and most milk products lead to digestion iss...
Q: What are the different mechanism of disease production?
A: The disease production mechanism identifies the likely source or causes of a problem/disorder, as we...
Q: Which of the following monosaccharides structural relationship is CORRECT? * сно сно сно но- -H H- -...
A: The stereoisomers have the same composition but differ in the orientation of parts in space. Two typ...
Q: Write the net ATP in glyconeogenesis and write the net reaction of it...
A: Glyconeogenesis is the synthesis of sugars like glucose and glycogen from sources other than carbohy...
Q: Which disaccharides do not have reducing ends? sucrose and maltose sucrose and trehalose O trehalose...
A: Any material made up of two molecules of simple sugars (monosaccharides) bonded together as a disacc...
Q: Consider the mechanism below. (i) Identify Asp X's function in the first step of the reaction. Ex ho...
A: The reaction mechanism shown here is an enzyme catalyzed reaction to synthesize sugar acid and here ...
Q: Use of Microbes for Improving Food Safety and Quality Yeast Probiotics Please have a whole paragrap...
A: An eaten probiotic is a live microorganism that has a favourable effect on the prevention and treatm...
Q: An enzymatic reaction was carried out in a batch-operated reactor until exhaustion of the substrate....
A: Enzyme kinetics is a study of enzyme catalyzed biochemical reaction using plotting the graph Substra...
Q: One amino acid loses an oxygen and hydrogen atom from its and the other amino acid loses a a-carbon ...
A: Any of a group of organic compounds composed of a basic amino group, an acidic carboxyl group, and a...
Q: Why does mitochondrial NADH yields more ATPs than cytosolic NADH?
A: NADH is also called a reduced compound. NADH molecules are generated inside the cell through glycoly...
Q: In Figure 12-26, provide a biochemical mechanism forwhy HP-1 can bind to the DNA only on the left si...
A: The family of heterochromatin protein 1 (HP-1) consists of highly conserved proteins which perform a...
Q: BARFOED’S TEST FOR MONOSACCHARIDES Place 1 mL (20 drops) of each 1% carbohydrates solution in separa...
A: Carbohydrates are divided into 3 classes monosaccharides, disaccharides, and polysaccharides...
Q: The common amino acid residues in B-turis are proline and lysine
A: Proteins are the polymers of amino acids. There are four levels of structural organizations for the ...
Q: What is the chemical difference between cellulose and chitin? Select one: a. Replacement of the hydr...
A: Cellulose is a structural polymer in the plant cell walls while chitin is the main structural polyme...
Q: Why is the resulting disease-COVID 19-cause respiratory distress and/or intestinal distress?
A: People who are experiencing problems breathing, typically exhibit indicators of respiratory distress...
Q: Explain how gel filtration chromatography works. What type of gel will you used when the protein siz...
A: Chromatography is a process for separating components of a mixture based on their differential parti...
Q: 6. Why would the lack of lactase cause Carol so much distress? Where would the undigested lactose tr...
A: Lactose is the principle carbohydrate present in milk and consists of two sugars, glucose and galact...
Q: 14. Subject this amino acid sequence under (1) trypsin (2) chymotrypsin (3) pepsin and (4) CNBr. Gen...
A: Proteolytic enzymes are used to cleave the larger polypeptide into smaller peptide fragments. They c...
Q: Which of the following is TRUE? Select one: a. The disulfide bridges formed by oxidation of the sulf...
A: The tertiary structure of the proteins is due to various interactions between the side chains in the...
Q: All standard amino acids have an asymmetric carbon except lysine
A: Amino acids are the building blocks of proteins. They are compounds containing carbon, nitrogen, hyd...
Q: Salt bridges are more commonly formed compared to the aforementioned disulfide bridges. Which amino ...
A: A folded protein is stabilized by four types of noncovalent interactions (hydrogen bonding, electros...
Q: What is measured at the A280 absorbance values?
A: Proteins in solution has a absorbance maxima at 280. The aromatic amino acids are responsible for th...
Q: When ATP levels return to normal after intense muscle activity, is creatine predominantly phosphoryl...
A: Energy for muscle contraction is provided by ATP. When ATP looses a phosphate and turns into ADP, th...
Q: 1. Draw NEW amino acids; name them and characterize them, following the rules and properties of the ...
A: Amino acids contain amino group and carboxyl group along with R side chain. The R side chain defines...
Q: The only sugar structure that does NOT contain chiral carbon atom. Erythrose Erythroluse Glyceraldeh...
A: Carbohydrates are composed of carbon, oxygen, and hydrogen which are connected by the glycosi...
Q: The activity of the enzyme β-galactosidase produced bywild-type cells grown in media supplemented wi...
A: Introduction: In bacteria, the genes involved in the same process are usually clustered together. ...
Q: Anımal cells metabolize fatty acids through a series of reactions that convert fatty a These reactio...
A: Answer - In a living organism, the body is covered by skin and beneath of skin a layer of tissue i...
Q: Room air is collected on a plate using a sampler that pulls 50 L per minute. If 11 fungal colonies g...
A: Propagules are reproductive vesicles that house a gamete or a dormant form of embryo. Fungal spores...
Q: RNA- degrading enzyme.
A: RNA is ribonucleic acid. It is single stranded. It has four bases adenine, guanine, cytosine and ura...
Q: How many H2O particle were produced by creating the following How many peptide bonds were produced b...
A: Introduction: Amino acids are joined together by a condensation reaction between carboxylic and amin...
Q: Give the chemical principles involved in a positive Biuret test, Millon’s Test and Sakaguchi Test. W...
A: The color reactions of the proteins are useful in identifying the amino acids present in them. The c...
Q: Cells generate ATP in two ways, what are they and which is the first to evolve? Which generates the ...
A: ATP means adenine triphosphate. ATP is the energy currency of the cell. ATP molecules are used in bi...
Q: Why was there a greater A260 absorbance reading for your DNA sample that was incubated at higher tem...
A: Hyperchromicity is the increase in optical density of a substance at a particular wavelength.
Q: Name the following nucleotide: HN P-0-P-0-CH2 OH
A: Nucleic acids are macromolecules. These are of two types - Deoxyribonucleic acid (DNA) and Ribonucle...
Q: Compare the differences in the techniques used in whole genome shotgun sequencing and next generatio...
A: The process of determining the exact order of nucleotides in a gene, a cluster of genes, a chromosom...
Q: a sample that contains a carbohydrate delivers a negative starch iodine test. what does this result ...
A: Introduction: Carbohydrates are polyhydroxy aldehydes or polyhydroxy ketones with a molecular formu...
Q: From this structure, what is the predominant secondary structure of the protein? Based on what you c...
A: Lindsay-Lang proposed the first protein structural hierarchy with four levels: central, secondary, ...
Q: What do you think will happen if the melting temperatures of the PCR primers (forward and reverse) a...
A: PCR (Polymerase Chain Reaction) is a technique, which is used to amplify a small fragment of DNA and...
Q: Three proteins K, L and M have the same % composition. Which is TRUE? A. The three proteins will ha...
A: Proteins are composed of a linear chain of amino acid sequences attached together via peptide bonds....
Q: Which of the following best explains why enzyme catalysis is affected by a change in pH? A. Change ...
A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy...
Q: C2H5 - CH3-CH-CH-CH2-CH2CH2-CH2-CH3 b. CH3-CH2-CH2-NH-CH3 NH2
A: Here we will be assigning IUPC name for given amines following the general rules of IUPAC nomenclatu...
Q: 2. Roughly sketch the hydropathy plot for the given hypothetical membrane protein. Follow the color ...
A: A hydropathy profile helps to identify the topogenic sequences of proteins. The peaks of a hydropath...
Q: In the third video, glucose, glycine and maltose are tested as samples with the Benedict's reagent. ...
A: Introduction: The benedict is used for the detection of simple carbohydrates. It identifies the redu...
Q: Show and explain how exactly the condensation reacti of a nitrogen base and sugar results to the Fig...
A: Condensation reaction- It is a type of reaction in which two molecules combined with each other and ...
Q: How much ATP and CO2 can be derived from 500 g of lactose?
A: Lactose is a sugar that is found in milk. Lactase is an enzyme that helps our systems absorb sugar b...
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- If a cell's lysosomes burst, the cell would ______. digest itself divide into two cells shrivel need to manufacture more lysosomesWhich of the following describes an F-actin microfilament? A flexible, helical filament composed of two strands assembled from G-actin 13 protofilaments composed of heterodimers with a hollow core a flexible filament composed of 13 interwoven protofilaments Eight tetramers twisted into a rope-like filamentWhich of the following are differences between the assembly processes of intermediate filaments versus that of actin microfilaments? A. New subunits are added internally to the intermediate filament rather than at the ends B. Assembly requires GTP rather than ATP C. Intermediate filaments are assembled from multiple tetramers rather than from monomers. D. A and B E. A and C
- You’re having a discussion with a colleague who insists that intermediate filaments, IFs, provide very little mechanical strength to cells. How can you rebut this and provide quantitative, experimental evidence to measure the strength of an intermediate filament using microscopy?In nonmuscle cell locomotion, which protein is activated to nucleate a filament? Arp2/3 Vinculin Gelsolin Profilin CofilinWhen combining 1ml of lysosome solution with a concentration of 5mg/ml and 1ml of water what is the final concentration of the lysosome solution after adding 8.0 of a biuret reagent to the solution 2.5mg/ml 1mg/ml 0.5mg/ml 5 mg/ml
- Why is it that intermediate filaments have iden-tical ends and lack polarity, whereas actin filaments andmicrotubules have two distinct ends with a defined polar-ity?Which of the following is reponsible for the synthesis of proteinsthat are being exported from the cell?a. smooth ERb. rough ERc. lysosomed. peroxisomePlease help me with this question. More than one answer may be correct. Intermediate filaments Options: A) are larger than 10nm in diameter B) have a hollow core C) include microtubules D) uses a filamentous monomers E) have multiple types of monomers they can be composed of.
- Actin and microtubules have polarity, intermediate filaments have no polarity. What is the main consequence of this difference?Proteoglycan aggregates in tissues form hydrated, viscousgels. Can you think of any obvious mechanical reason whytheir capacity to form gels is important to cell function?[Hint: Liquid water is virtually incompressible.]Neurofilament proteins assemble into long, intermediate filaments , found in abundance running along the length of nerve cell axons. The C-terminal region of these proteins is an unstructured polypeptide, hundreds of amino acids long and heavily modified by the addition of phosphate groups. The term “polymer brush” has been applied to this part of the neurofilament. can you suggest why?
