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- Chemistry helpcan you help me with this question? the list at the bottom is for part a.O Facebook - Log In or Sign Up ZipGrade: Student Answer Sheet X MD9tai8v8/?tstamp=1639747989 国F B 2. Which of the following statements is TRUE? A. The primary structure of proteins is often depicted by ribbon diagrams where the helices are shown by corkscrews. B. Extensive denaturation changes at 2° to 4° levels, if any, may render the process irreversible. C. Keratin is a classic example of a globular protein found in human fingernails and bird feathers D. Globular proteins form part of the matrix upon which cells are arranged in animal tissues. 3. If a native enzyme is composed of 124 amino acids, 8 of which are cysteine. How many disulfide bridges can be formed in the structure? А. 8 В. 4. С.2 D. none A reaction system involves sucrose as the substrate and the intestinal enzyme sucrose. What will happen to the reaction rate if the pH is altered from 6.0 to 8.0 when the optimum pH is 6.2? A. Increase in reaction rate B. Decrease in reaction rate C. Unaffected D. Inconclusive 4. 5.…
- Exercise B: Peptide Bond Formation Figure 3 shows two individual amino acids, and then those same two amino acids after they have been linked together by a peptide bond to form a dipeptide. Addition of more amino acids linked by peptide bonds would form a polypeptide, the precursor to a functional protein. нн H H O нно H O +| | || H-N-C-ċ-o + +| 1 || H-N-C-C +| | || Н-N—С- С—N—C—С H CH2 H CH2 H CH2 CH2 SH SH NH2 NH2 Figure 3. Formation of a peptide bond between two amino acids. Answer the below questions in your own document. • Which two amino acids are shown on the left side of Figure 3? Use Figure 2 to answer this. • To which chemical groups do these amino acids belong? Were you able to identify their chemical characteristics based on your rules? If not, you should go back and revise your rules! On the dipeptide shown in Figure 3, label the peptide bond that was formed when the two individual amino acids were joined. Label the free amino and carboxyl groups at the ends of this…Exercise B: Peptide Bond Formation Figure 2 shows two individual amino acids, and then those same two amino acids after they have been linked together by a peptide bond to form a dipeptide. Addition of more amino acids linked by peptide bonds would form a polypeptide, the precursor to a functional protein. H H H. H H +| | H-N-Ċ- ċ-0 H-N-Ć- Ĉ-O H-N-Č -C. N-C-C- H CH2 H. CH2 H. CH2 H CH2 SH SH NH2 NH2 Figure 2. Formation of a peptide bond between two amino acids. Answer the below questions in your own document. F1. Which two amino acids are shown on the left side of Figure 2? Use the Figure They 3.2 from your text to answer this. 2. To which chemical groups do these amino acids belong? 3. Were you able to identify their chemical characteristics based on your rules? If not, you should go back and revise your rules! On the dipeptide shown in Figure 2, label the peptide bond that was formed when the two individual amino acids were joined. Label the free amino and carboxyl groups at the ends…Exercise B: Peptide Bond Formation Figure 2 shows two individual amino acids, and then those same two amino acids after they have been linked together by a peptide bond to form a dipeptide. Addition of more amino acids linked by peptide bonds would form a polypeptide, the precursor to a functional protein. нн +| | || H-N-C-Ĉ-0 H. +! | || H-N-C-ċ –0 H. H H H +| | || H-N-C-C-N-C-C- + H CH2 CH2 H CH2 H. CH2 SH SH NH, NH, Figure 2. Formation of a peptide bond between two amino acids. Answer the below questions in your own document. 1. Which two amino acids are shown on the left side of Figure 2? Use the Figure 3.2 from your text to answer this. 2. To which chemical groups do these amino acids belong? 3. Were you able to identify their chemical characteristics based on your rules? If not, you should go back and revise your rules! On the dipeptide shown in Figure 2, label the peptide bond that was formed when the two individual amino acids were joined. Label the free amino and carboxyl…
- If provided with a DNA sequence, you should be able to identify where transcription will start; which regions are introns; where the start and stop of translation will occur; as well as what the amino acid sequence of the encoded protein will be. Determining the tertiary structure of a protein is much more challenging however, requiring laborious techniques such as X-ray crystallography or cryo-electron microscopy. Advances in AI protein structure prediction methods such as Alpha Fold2, now make it much easier to visualise protein structures based on the amino acid sequence. Consider the protein structures shown below for NLR protein A and B. Assess the quality of the AlphaFold predictions, by comparing it to the protein structures as determined by Cryo-electron microscopy.Please give all questions answers separate and clear with explanationChoices: Parallel or Anti-Parallel
- Protein Structure and Function A common strategy in the regulation of protein function is to alter its structure. Describe two specific strategies used by the cell to alter a protein’s structure, thereby altering its function.Please help with part 3 and 4[Ten - Biomolecules] INSTRUCTIONS — Answer the following multiple-choice questions and EXPLAIN in 3-5 sentences why you chose that answer. — Answer properly Questions; Thomas was purifying an enzyme from a homogenate of muscle cells. He went through seven steps of purification and found that the enzyme activity was the same as the homogenate value. On the eighth step, when the protein washighly pure, the enzyme activity rose to five times that of the homogenate value. Can you suggest a possible reason? A. the homogenate assay was wrong B. step eight has co-purified an activator of the enzyme. C. the enzyme has an inhibitor present in the muscle cell homogenate D. the temperature at step eight was just right for the enzyme activity.
