The following statements best describes the RNA structure EXCEPT
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: Give the identity of the monosaccharide components of the tetrasaccharide: А: B: C: D:
A:
Q: Short-chain fatty acids such as butyrate are absorbed by the mammalian intestine and used as metabo...
A: Short chain fatty acids are the molecules having fatty acids with fewer than six carbon atoms.
Q: QUESTION 4 Which of the following amino acids or types of amino acids is rarely found in beta sheets...
A: Answer Option a : Non- Polar aminoacids
Q: Concerning the process of the aerobic fate of glucose oxidation, false? The spontaneous movement of ...
A: In the mitochondrial electron transport chain, electrons flow when the reduced electron (NADH, FADH2...
Q: "Although PTC is not found in nature, the ability to taste it correlates strongly with the ability t...
A: This is a hereditary feature, according to PTC, and non-taster status has been connected to a number...
Q: Which of the following steps does not occur when the first oxygen molecule binds to HB? a) Heme fla...
A: Hemoglobin: Hemoglobin is a respiratory pigment found in red blood cells. It is a conjugated protei...
Q: From the complete oxidation of glucose (glucose → 6CO2), how many total NADH electron carriers are p...
A: For complete oxidation of one glucose molecule, tge pyruvate produced by glycolysis has to undergo t...
Q: X Which of the following is not a function of Nucleotide in a celi. make up of DNA can act as enzyme...
A: Nucleotides are the basic units of nucleic acids. A single nucleotide unit is composed of a pentose ...
Q: 1. Give other methods used in the screening of tannins. 2. Give six examples of reagents that ma...
A: Tannins are vital bioactive compounds dominating the global market today. They have various industri...
Q: Why is it not possible to find a five-fold symmetry operation in naturally-occurring crystals?
A: The atoms make up a crystal structure. The points make up a crystal lattice. The crystal structure i...
Q: Which of the phi/psi angles would be violating a ramachandran plot? Select all that apply: Phi= 90;...
A: The Ramachandran plot is a plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amin...
Q: OH | || CH3CHCH,CSR → CH3CH=CHCSR
A:
Q: Explain why, glucose-6-phosphate will prefer to go via the pentose phosphate route. What additional ...
A: Metabolism includes biosynthesis/ reduction (an anabolic process) and oxidation (catabolic p...
Q: Other cell membrane molecules include a compound called __________ , which functions to provide flui...
A: Every organism is either made up of a single cell or multiple cells. However, the basic unit of all ...
Q: Which of the following is a DNA nucleotide? a phosphate group, guanine and deoxyribose a dipho...
A: DNA nucleotides are Adenine, Guanine, Thymine, Cytosine.
Q: QUESTION 10 structures. Disulfide bridges can be formed by and helps in stabilizing O Cysteine; tert...
A: Proteins are complex biological macromolecules that are the polymers of amino acids. Scientists hav...
Q: D. но- OH `NH Он но- OH ÓH NH2 NH OH EN HO-P-0 `NH2 НО -Р-ОН !! он он NH2 NH E.
A: Nucleoside is the structural subunit of nucleic acids that consists of a purine or pyrimidine base c...
Q: Ben is studying an enzyme-catalyzed reaction. In the reaction, H+ ions are formed. He found that aft...
A: pH has a drastic effect on the rate of an enzyme- catalyzed reaction. The enzyme is more active at a...
Q: Explain the role of L-tartrate in the determination of acid phosphatase .
A: Hello! Thank you for the questions. As you have posted multiple questions, I will be answering the f...
Q: Which is NOT an appropriate factor in choosing solvents in a mixed solvent system? a. The two solven...
A: The correct answer for non appropriate factor in choosing solvents in a mixed solvent system will be...
Q: serotonin [µM] 0.025 transport rate A [dpm/min] 300.0 transport rate B [dpm/min] 10 0.08 920.0 2500....
A: The transport of serotonin is mediated by the serotonin transporter or SERT protein terminates the a...
Q: Which of the following are repeating disaccharides of polysaccharides are often found in mucus and f...
A: Carbohydrates are classified as monosaccharides, oligosaccharides, and polysaccharides based on the ...
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: What is Glycated Hemoglobin? What is the normal level of Glycated Hemoglobin?
A: Glycated Heamoglobin: A glycosyated hemoglobin test measures the amount of glucose ( sug...
Q: Identify the nutrient: a toxicity or overdose causes a feeling of flushing; a deficiency causes a ra...
A: In the human diet, vitamins and minerals are necessary for trace amounts. They are necessary for the...
Q: an you please correct my answers? I have answered each questions. Answers can be found after the que...
A: Carbohydrates are sugars that provide energy for our body, It is composed of organic compounds like ...
Q: You will be given a stock solution of the dye EVANS BLUE dissolved in distilled water whose concentr...
A: Scientists use molarity to describe the concentrations and it tells us how much solute is dissolved ...
Q: Describe the quarternary structure of the enzyme aspartate transcarbamoylase: Dodecamer Monomer Tet...
A: Aspartate Transcarbamoylase (ATCase) : It is allosterically regulated enzyme having quaternary stru...
Q: 1. Differentiate starch from cellulose and carb 2. In which solvents or solutions will a lipid be a....
A: Since, you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...
Q: Prokaryotic mRNA contains the message from the DNA that is utilized by the bacteria for the synthesi...
A: A polycistronic mRNA is a mRNA that encodes several proteins and is characteristic of many bacterial...
Q: Name a. at least 5 herbal extracts that are often the main ingredients in astringents and toners b...
A: Astringent and toner are similar. toner and astringents are liquid-based. Used to r...
Q: EXPLAIN 2 ways that you could slow the smell from spreading
A: The quetion is all about the horrible smell that could be stopped from spreading throughout surround...
Q: POST-LAB QUESTIONS: 1. Discuss the chemical basis of the positive and negative results of the chemic...
A: Lipids are not polymers. The simplest form of lipid is fatty acids that are a long chain...
Q: The graph depicts the rate of oxygen consumption of mitochondria in eurythermal killifish (Fundulus ...
A: Q10 is the temperature coefficient. The factor Q10 is the factor by which the rate of a reaction (R...
Q: Please answer this, I really need this. Thankyou!
A: Amylase is an enzyme that works on the hydrolysis of starch and other polysaccharides. Amylase break...
Q: What are SMC proteins? Describe the function of SMC proteins and explain how they might contribute t...
A: Chromosomes must be supercoiled or they would not fit inside the nucleus (5 micrometers) of human ce...
Q: When betadine is dropped into a ripe banana, does this turn into orange/brown or blue-black? Does a ...
A: Starch is the storage form of glucose in plants. As glucose is the major source of energy, storage o...
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: Cisplatin preferentially binds N? of the purines adenine and guanine. Draw the product of the follow...
A:
Q: draw the building block in limonene structure, why does the racemate of limonene has the good abilit...
A: Terpenes are a type of a natural product that includes chemicals having the formula (C5H8)n. As a re...
Q: a. What is the optimum pH of wild type β-galactosidase? _________ b. What is the optimum te...
A: An enzyme is shows its maximal activity at its optimal condition like pH, temperature, substrate.
Q: What is the conformation of the glycosidic bond (i.e. orientation of the nucleobase relative to the ...
A: All living organisms are made up of cells, which are the most basic unit of life. They are responsib...
Q: How does the average reaction rate differ from an instantaneous reaction rate? © A. The average reac...
A: The rate of the reaction means the rate of conversion from reactants to products. It means how many ...
Q: 67. To make an insertion using CRISPR Cas9, one must include a DNA with flanking sequences similar t...
A:
Q: If one DNA segment has the following base composition, 5'-CAGTTAGC-3', which of the following sequen...
A: Answer of the following question is given below
Q: What type of molecule is shown here? Give its biological importance?
A: Carbohydrates, lipids, and proteins are the primary sources of energy for a variety of functions. Th...
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: Carbohydrates Lipids What elements are they composed of? What elements are they composed of? What is...
A: Carbohydrate-rich meals include bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drin...
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...
The following statements best describes the RNA structure EXCEPT
-
it is usually single stranded
-
there are three predominant forms for protein synthesis
-
the repeating units are deoxyribonucleotides
-
some eukaryotic RNAs stay in the nucleus to help in post transcriptional modification
Step by step
Solved in 3 steps
- Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNAGiven the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:The genetic code is defined as a series of _______________ in _______________. (a) anticodons; tRNA (b) codons; DNA (c) anticodons; mRNA (d) codons; mRNA (e) codons and anticodons; rRNA
- Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks the A site on the bacterial ribosome, and chloramphenicol blocks peptidyl transfer. What specific effect would you expect each of these antibiotics to have on protein synthesis? Tetracycline would directly affect: tRNA binding to the ribosome ribosome assembly growth of the protein chain Chloramphenicol would directly affect tRNA binding to the ribosome ribosome assembly growth of the protein chainAntibiotics and Protein Synthesis Antibiotics are molecules produced by microorganisms as defense mechanisms. The most effective antibiotics work by interfering with essential biochemical or reproductive processes. Many antibiotics block or disrupt one or more stages in protein synthesis. Some of these are mentioned here. Tetracyclines are a family of chemically related compounds used to treat several types of bacterial infections. Tetracyclines interfere with the initiation of translation. The tetracycline molecule attaches to the small ribosomal subunit and prevents binding of the tRNA anticodon during initiation. Both eukaryotic and prokaryotic ribosomes are sensitive to the action of tetracycline, but this antibiotic cannot pass through the plasma membrane of eukaryotic cells. Because tetracycline can enter bacterial cells to inhibit protein synthesis, it will stop bacterial growth, helping the immune system fight the infection. Streptomycin is used in hospitals to treat serious bacterial infections. It binds to the small ribosomal subunit but does not prevent initiation or elongation; however, it does affect the efficiency of protein synthesis. Binding of streptomycin changes the way mRNA codons interact with the tRNA. As a result, incorrect amino acids are incorporated into the growing polypeptide chain, producing nonfunctional proteins. In addition, streptomycin causes the ribosome to randomly fall off the mRNA, preventing the synthesis of complete proteins. Puromycin is not used clinically but has played an important role in studying the mechanism of protein synthesis in the research laboratory. The puromycin molecule is the same size and shape as a tRNA/amino acid complex. When puromycin enters the ribosome, it can be incorporated into a growing polypeptide chain, stopping further synthesis because no peptide bond can be formed between puromycin and an amino acid, causing the shortened polypeptide to fall off the ribosome. Chloramphenicol was one of the first broadspectrum antibiotics introduced. Eukaryotic cells are resistant to its actions, and it was widely used to treat bacterial infections. However, its use is limited to external applications and serious infections. Chloramphenicol destroys cells in the bone marrow, the source of all blood cells. In bacteria, this antibiotic binds to the large ribosomal subunit and inhibits the formation of peptide bonds. Another antibiotic, erythromycin, also binds to the large ribosomal subunit and inhibits the movement of ribosomes along the mRNA. Almost every step of protein synthesis can be inhibited by one antibiotic or another. Work on designing new synthetic antibiotics to fight infections is based on our knowledge of how the nucleotide sequence of mRNA is converted into the amino acid sequence of a protein. Questions Why is targeting protein synthesis an effective strategy for preventing infection?Eukaryotic mRNA: usessnRNPs to cut out introns and seal together translatableexons. uses a spliceosome mechanism made of DNA to recognizeconsensus sequences to cut and splice. has a guanine cap on its 39 end and a poly(A) tail on its 59 end. is composed of adenine, thymine, guanine, and cytosine. codes the guanine cap and poly(A) tail from the DNAtemplate.
- The following statements best describes the RNA structure EXCEPT some eukaryotic RNAS stay in the nucleus to help in post transcriptional modification it is usually single stranded (c) there are three predominant forms for protein synthesis the repeating units are deoxyribonucleotidesWhich of the following statements about translation is false? In eukaryotes, the 5' cap and the 3' poly(A) tail are involved in translation initiation. Peptidyl-transferase activity during translation is the property of a ribozyme. A base at the first position of an anticodon on the tRNA would pair with a base at the third position of the mRNA. The growing peptide chain is transferred from the tRNA in the P site to the tRNA in the A site. Ribosomes move along an mRNA in the 3’ → 5' direction.A difference between bacterial and eukaryotic translation is Multiple Choice translation can begin on an MRNA still being synthesized only in eukaryotes. a 5' cap is added to the mRNA before translation only in bacteria modifications to the 5' end of mRNA help it to bind to ribosomes only in eukaryotes bacteria use a completely different genetic code than eukaryotes. special TRNAS read the stop codons only in in eukaryotes
- Table 8.2: Transcription and translation of the first 7 codons in the B-globin chain of hemoglobin. Normal Sequence Mutated Sequence DNA DNA amino acid DNA DNA amino Codon MRNA Codon MRNA coding template strand coding template strand strand acid code code strand sequence sequence G 1 1 G G C 2 A 2 A 3 G G A A 4 4 C G A G G G G 7 A 7 A G G Shape of RBC Shape of RBC 23 3.All of the following participate in the process of translation except: ribosomes mRNA tRNA 35S RNA GTPAll of the following mRNA codons signal the end of translation, in both prokaryotes and eukaryotes, with the exception of: 5’-AUG-3’ 5’-UAG-3’ 5’-UGA-3’ 5’-UAA-3’ all of the above
