Which of the following is not a mechanism of action of amphetamine? O release neurotransmitter in absence of action potentials O Mock reuptake of neurotransmitter O Nock enzyme from inactivating neurotransmitter block Ca channels
Q: Why must you only add the enzyme after all the other reagents have been added? Because until all r...
A: Enzyme - Have optimal pH and temperature at which they function best. Reaction conditions are import...
Q: What is the net charge at pH 7 on a peptide with the following sequence? Gly-Ala-Lys-Phe-Asp-Met-Va...
A: For calculating charge at PH 7, there is a basic short trick PH at 7 = [ RK - DE] Where, R = Argini...
Q: What is the advantage of using lipids as storage of energy in animals compared to the use of starch ...
A: Animals use carbohydrates for short-term energy storage, while lipids are used for long-term energy...
Q: 1. Which of the following statements is accurate regarding these protein structures? a. Proteins in ...
A: In a folded polypeptide chain the non-covalent interactions between the R groups of non-adjacent ami...
Q: 1. Similarities between Colloidal and Crystalline Precipitate
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: Lipoteichoic acid
A: Lipopolysaccharides : lipopolysaccharide (LPS) are the major component found in the outer membrane o...
Q: QUESTION 5 Which of the following amino acids is most unlikely to be present in a beta sheet? Isoleu...
A: In the β-pleated sheet, the sheet are formed due to hydrogen bonding between atoms on the peptide ba...
Q: 10. Which of the following statements is FALSE about proteins? A) The sequence of the atoms in the p...
A: Proteins are composed of twenty standard amino acids attached together via peptide bonds. These twen...
Q: B. Calculate the concentration of the reducing sugar in the 50.0 mL sample in mg/mL. Apply Beer-Lamb...
A: A reducing sugar is any sugar that is capable of acting as a reducing agent.
Q: Which of the following are repeating disaccharides of polysaccharides are often found in mucus and f...
A: There are three classes of glycosaminoglycan is present in joint. Those are Chondroitin sulfate, ker...
Q: OH НО HO- OH HO Но- OH ОН OH OH Но What are the monosachharides that make up this trisaccharide? a-D...
A: Here the structure is of tri-saccharide where three monosaccharides are linked with covalent O-gly...
Q: Cytosol Mitochondrion A. PATHWAY 1. major pathway of ethanol metabolism NAD* NADH + H* NAD* NADH + H...
A: Ethanol can be oxidized via the 2 pathways shown. Ethanol to acetaldehyde and then to acetate is the...
Q: QUESTION 8 Amino Acids that carry a positive charge of +1 at pH 7 are (Think about it - don't rush t...
A: When many amino acids are joined with each other by a peptide bond they form a polypeptide...
Q: Based on the screenshot shown in Figure 22, which reading frame contains the amino acid sequence for...
A: tra- RA contains 3 exons.The second coding exon is in the +2 reading frame because it doesn't have a...
Q: Example: A plant was discovered in a spring. To study the activity of the plant, 5.00g of the plant ...
A: The Bradford protein assay an accurate spectroscopic procedure used to measure the concentration of ...
Q: This is DNA. Locate the nitrogen bases (nitrogens are blue). Where are they located in the molecule?...
A: DNA is a nucleic acid that is made up of nitrogen bases, sugar and phosphate groups linked together....
Q: 1. Write structural formulas for the following compounds: а. 2-chlorobutane b. 2,3-dimethylbutane 1,...
A: The structural formula is given here:
Q: True or False 1. Xylose gives a positive result with Molisch’s, Seliwanoff’s, & Bial’s-Orcinol tests...
A: A biomolecule is a molecule produced by living organisms or cells. Carbohydrates, proteins, lipids, ...
Q: Draw a schematic diagram showing how each of the sugars (Fructose, Galactose, Arabinose, Glucose, an...
A: There are different qualitative tests available in the laboratory used for distinguishing the differ...
Q: Match the following drug metabolism pathway Choices: 1.Acetylsalicylic acid Hydrolysis 2. Methylp...
A: Drug metabolism is the chemical modification or alteration that happens to the drug in the body. Thi...
Q: What is the advantage of using lipids as storage of energy in animals compared to the use of starch ...
A: Lipids are a diverse group of compounds that are insoluble or poorly soluble in water. Lipids functi...
Q: 4. Identify the membrane lipids and describe their structures and roles. 5. Which is more hydrophili...
A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and s...
Q: Briefly discuss the Glyoxylate Pathway
A: The glyoxylate cycle enables acetyl-CoA to be converted into malate. This cycle occurs in the peroxi...
Q: Differentiate between fibrous and globular proteins
A: On basis of shape and solubility, Proteins can be classified into two categories:- 1.Fibrous ,eg., ...
Q: From the complete oxidation of glucose (glucose → 6CO2), how many total nucleotide triphosphates are...
A: Glucose is metabolized through the glycolytic pathway to yield energy in the form of ATP and NADH. T...
Q: Given the statements identify which are correct or incorrect
A: Multiple subparts asked. I will answer the first 3 subparts; following guidelines. Ketose - Monosacc...
Q: please answer all
A: Maltose gives glucose and glucose-1- phosphate Both enter glycolysis by converting to glucose-6-pho...
Q: Draw (be specific on the structures of each component in the cycle) and explain the entire process o...
A: The citric acid cycle, is a catabolic pathway and is also known as the tricarboxylic acid cycle and ...
Q: Give an estimate of the fragment sizes (basepairs) of the DNA bands from each sample lane of the gel...
A: In gel electrophoresis, molecules are separated depending on their size. The particles with larger s...
Q: Why might repression of a eukaryotic gene by an RNA be more efficient than repression by a protein r...
A: A gene is a DNA-based functional heredity unit that delivers instructions for the production of RNA ...
Q: If the % transmittance greater than 90%, then which of the following is true The solution is h...
A: The relationship between transmittance and absorbance is logarithmic. If a solution has higher trans...
Q: ..a) Draw all of the reactions that occur in the aerobic metabolism of glucose that hydrolyze a thio...
A: Aerobic metabolism of glucose: glycolysis : It is a ten step reaction process that is used by all ce...
Q: 3. Paramecia are unicellular organisms that have contractile vacuoles to remove (pump) excess intrac...
A: Osmoregulation is the process by which all the cells can establish their water and salt balance such...
Q: 3% red cell suspension using 0.5 mL of pRBC
A: The question is all about the preparation of 3% red cell suspension from 0.5 ml pRBC from the patien...
Q: Discuss the importance of the different metabolic pathways in maintaining glucose homeostasis
A: Carbohydrates are the primary source of energy among the other macronutrients (proteins and lipids)....
Q: What are the factors that affect carbohydrates?
A: Nutrients are those compounds that are present in the food that living beings intake for better and ...
Q: ________ structure,
A: The question is all about the stucture of polypetide that can be primary, secondary, tertiary,quater...
Q: What is the distinction between the two classes of Topoisomerases (Topo-I and Topo-II). Write the sc...
A: Topoisomerase is an enzyme which helps DNA to be replicated smoothly.
Q: efer to the figure below. Replacing lysine with another amino acid in the protein may alter the shap...
A: Proteins: Proteins are an important class of biological macromolecules that are polymers of amino a...
Q: Assay of Serum Alkaline Phosphatase. Serum component of blood is preferred to be use than plasma, wh...
A: Alkaline phosphatases are located on the outer layer of the cell membrane and catalyzes the hydrolys...
Q: o-H H. Hy-H H. From the N-terminus, this sequence is found on the 125th residue onwards. Based on th...
A: Proteins have different structures at its level of complexity. Simple chain of amino acids forms pri...
Q: Compound X is a potent competitive inhibitor of enzyme Y. Addition of 10 nM compound X increases the...
A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy...
Q: classes of enzymes according to IUBMB
A: The question is about the classification of enzyme according to IUBMB i.e International union of Bio...
Q: Amino Acids that carry a positive charge of +1 at pH 7 are
A: Amino acids are organic compound having two functional group namely carboxyl and amino. At extreme l...
Q: Identify the amino acid shown below. (Note: SIngle letter codes are given as answer choices) H. H,N-...
A:
Q: The only sugar structure that does NOT contain chiral carbon atom a. Erythrose b. Erythroluse c. Gly...
A: Multiple questions asked. I can answer the first question, following the guidelines. Kindly repost o...
Q: the correct answers since there are no more keys to correction. MULTIPLE CHOICE: WRITE the letter of...
A: Note : Hi ! Thank you for the question. We are authorized to answer one question at a time. Since yo...
Q: True or False. Write the word “reducing” if the statement is correct, otherwise write “non-reducing”...
A: A carbohydrates is a molecule consisting of carbon, hydrogen and oxygen atoms. It is found in a wide...
Q: You obtain a calculated Vmax of 4.26uM/s and a Km of 122.5uM from a kinetics experiment performed us...
A: Ans- In order t find out catalytic efficiency, first we have to calculate turnover number (Kcat) . ...
Q: 1. In a serial dilution, one initially sets a starting dilution and adds an aliquot portion of it su...
A: Serial Dilution is a important procedure to obtain the desired concentration of reagent or serum or ...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- ______ is released by motor nerve endings onto muscle. Acetylcholine Norepinephrine Dopamine SerotoninWhich of the following substances acts as a neurotransmitter? catechol O norepinephrine O dopamine more than one response is correctWhich of the following is an effect of cocaine and amphetamine? Group of answer choices Blocking dopamine reuptake Activating acetylcholine receptors on VTA neurons Directly activating dopamine receptors Inhibiting GABA release from interneurons All of the above
- Beta blockers are a class of drugs that inhibit the action of what neurotransmitter? O norepinephrine beta glucan dopamine acetylcholineWhich of these neurotransmitters is an endocannabinoid? ts O glutamate O adenosine O serotonin all are endocannabinoids none are endocannabinoidsWhich of the following neurotransmitters serve as the body's natural painkiller? Acetylcholine Endorphins Dopamine
- Antidepressants work by O increasing presynaptic GABA secretion. increasing serotonin reuptake by the neuron. decreasing BDNF secretion by neurons. decreasing serotonin reuptake by the presynaptic terminal. All the answers are possible.Drugs that have been developed to potentiate inhibitory neurotransmitters (like gamma amino butyric acid and glycine) include all of the following except: tranquilizers tacrine ethanol valium barbituratesA drug given to a patient has side effects that are very similar to Parkinson's disease symptoms. What neurotransmitter may be effected by this drug? O acetylcholine O dopamine norepinephrine O histamine GABA O glutamate O ATP
- Find the purpose of each of the neurotransmitters listed below. Also, describe what might happen to a person if they had an excess amount or a lesser amount of each of these neurotransmitters. Acetylcholine GABA Norepinephrine Dopamine Serotonin Endorphin OxytocinThe raphe nuclei are the sole producers of: O Dopamine None of the above GABA O Norepinephrine Question 33 Neurotransmitter action is conveyed by: O receptor structure O affinity O chemical structure ion concentrationsWhich of the following statements about the relationship between the nervous and endocrine systems is NOT correct? Hypothalamus controls a part of the endocrine system called the pituitary gland. Hypothalamus produces ADH Neurons of the sympathetic nervous system stimulate the production of hormones from the adrenal gland. None of these. Which refers to the time during which a neuron can undergo an action potential? the resting membrane potential the depolarization period of the neuron polarization period of the neuron O the membrane potential
