In one (1) sentence point out a key functional similarity and difference in each of the pair of terms a) Proline and cysteine b) Secondary and Tertiary proteins c) Uracil and thymine d) AMP and dAMP e) codon and anticodon
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1. In one (1) sentence point out a key functional similarity and difference in each of the pair of terms
a) Proline and cysteine
b) Secondary and Tertiary proteins
c) Uracil and thymine
d) AMP and dAMP
e) codon and anticodon
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Solved in 2 steps
- 1. The ribosome is a good representation of what level of structure of nucleic acid? 2. What is the meaning of dADP?1. Explain why is it necessary for a protein to adopt specific tertiary and quaternary arrangements. 2.Explain the role of hydrogen bonding and disulfide bonds between R groups. 3. Explain the similarities and differences between rna and dna.Which of the molecules of RNA is the most likely to fold into a specific structure as a result of intramolecular (within itself) base-pairing? Explain. 5′-CCCUAAAAAAAAAAAAAAAAUUUUUUUUUUUUUUUUAGGG-3′ 5′-UGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUG-3′ 5′-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA-3′ 5′-GGAAAAGGAGAUGGGCAAGGGGAAAAGGAGAUGGGCAAGG-3′
- 1. For each of the sequences given below, list what type of secondary structural element, if any is most likely to be formed by that amino acid sequence. 1a. SEGEWQLVLHVWA 1b. GKGPPGPPGPRGPC 1c. CHSRHPGDFSC 1d. ASVRMNLGF1. What determines the affinity of a glycan for a GBP?1. Using diagrammatic representations, distinguish between: nucleotide, nucleoside and nucleic acid.
- Consider the following in light of the concept of levels of structure (primary, secondary, tertiary, quaternary)as defined for proteins.(a) What level is shown by double-stranded DNA?(b) What level is shown by tRNA?(c) What level is shown by mRNA?Consider the following in light of the concept of levels of structure (primary, secondary, tertiary, quaternary) as defined for proteins. (a) What level is shown by doublestranded DNA? (b) What level is shown by tRNA? (c) What level is shown by mRNA?1. A tRNA to which the correct amino acid has been attached is called?
- 1. A mixture of proteins with the following properties were purified using cation exchange chromatography. Which of the following peaks correspond to the correct protein?Protein M- pI- 11, size- 60 KdaProtein N- pI- 8, size- 112 KdaProtein O- pI- 6, size- 280 KdaProtein P- pI- 4, size- 36 Kda[N.B: I was trying to upload pictures, but it was interrupting, Peak C is the highest peak, Peak D is lowest, Peak B is higher than D; however lower than C and A, Peak A is lower than C only, higher than B and D] a) Peak A is P b) Peak C in N c) Peak D is P d) Peak B is O e) Peak A is M 2. Which transition state analog is the most effective competitor for serine protease such as Chymotrypsin?a) R-C=O-NH-R’b) R-C=O(CH3)-NH-R’c) R-CH(OH)-CH(NH2)-R’d) R-CH(OH)-NH-R’e) R-CH=NR’ 3. If a 14C fatty acid labelled with C14 is fed to a cow, after 30 minutes of Beta oxidation, where will the C14 be found?a) Acetyl coA b) Propionyl coA c) Glutamine d) Glucose 4. How many carbons will…Describe base pairingIn biochemistry mechanisms, what group is often attacked by a nucleopile?