Homework Answers
Prevent degradation and act as ribosomal recognition site.
The 5' cap is specially altered nucleotide on the 5' end of the
primary transcripts of mRNA. the functions of this 5' cap
include,
Regulation of nuclear export, Prevention of degradation by
exonucleases, Promotion of translation, Promotion of
proximal intron excision.
30. Pyrimidine dimers.
Nucletoide excision repair involve the repair of DNA if the damage
caused due to transversion. It is a class of chemical changes in
which a purine nucleotide is replaced by the pyrimidine nucleotide
and caused the abnormal gene sequences.
Cytidine deamination is repaired by the base excision repair
process.
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Answer both questions please.
The function of the 5' RNA cap is to: Prevent degradation and...
answer all the questions 1) All of the following contribute to promoter binding by RNA polymerase...
answer all the questions
1) All of the following contribute to promoter binding by RNA polymerase I in bacteria except: a)-10 consensus sequence b)-35 consensus sequence c) rho factor d) sigma factor e) none of the above 2) Common structural changes or lesions found in DNA after exposure to ultraviolet light are: a) thymine dimers b) cytosine dimers c) purine dimers d) adenine dimers e) none of the above 3) What is the function of the sigma subunit in the...
please andwer all the questions 7) Describe at least two major intramolecular forces that help stabilize...
please andwer all the questions
7) Describe at least two major intramolecular forces that help stabilize the DNA double-helix? 8) In mammalian female cells, the DNA of the Barr Body is characteristic of: a) Heterochromatin b) Euchromatin c) Dispersed chromatin d) Patemal DNA ONLY e) Maternal DNA ONLY 9) When used to describe the RNA polymerases' activity, the term “processivity” refers to: a) The ability to recognize and bind to a promoter region b) The ability to remain attached to...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells A- polyribosomes B- proteasomes C- editosome D- spliceosomes 2- addition or deletion of bases causes which kind of mutation A- transition B- transcription C- transversion D- frameshift mutation 3- point mutation involve : A- change in single base pair B- deletion C- duplication D- insertion 4- what is the complementary m-RNA sequence for the DNA sequence C-A-A-G-G-T A- C-A-A-G-G-U B- G-U-U-C-C-A C- C-A-A-G-G-T D-...
Explain the discovery, mechanism of action and function of AID (activation-induced deaminase)? SOMATIC HYPERMUTATION (Figures 7...
Explain the discovery, mechanism of action and function of AID
(activation-induced deaminase)?
SOMATIC HYPERMUTATION (Figures 7 and 8). Indeed, the discovery of AID provided the missing MSH2-deficient mice had previously been taken to indicate that somatic mutation is initiated by diversification at C:G pairs with MSH2-mediated recognition then triggering a subsequent stage of diversification at A:T pairs. Such a two-stage model was supportedations by the observation that CG-biased mutation was also a characteristic of somatic mutation in B-c nes9 and...
Please answer all questions. Oftentimes, unsaturated fatty acids are found in a fluid state at room...
Please answer all questions. Oftentimes, unsaturated fatty acids are found in a fluid state at room temperature (e.g., olive oil). This is because unsaturated fatty acids contain a large number of ___________________. a. Hydrogen bonds b. Carbon-Carbon single bonds c. Carbon-Carbon double bonds d. Sulfide bonds e. Radioactive bonds Which of the following stages of aerobic cellular respiration generates the most ATP? a. Glycolysis b. Pyruvate breakdown c. Citric Acid Cycle (aka. Krebs Cycle) d. Oxidative phosphorylation e. Calvin Cycle...
answer all the questions
1) All of the following contribute to promoter binding by RNA polymerase I in bacteria except: a)-10 consensus sequence b)-35 consensus sequence c) rho factor d) sigma factor e) none of the above 2) Common structural changes or lesions found in DNA after exposure to ultraviolet light are: a) thymine dimers b) cytosine dimers c) purine dimers d) adenine dimers e) none of the above 3) What is the function of the sigma subunit in the...
please andwer all the questions
7) Describe at least two major intramolecular forces that help stabilize the DNA double-helix? 8) In mammalian female cells, the DNA of the Barr Body is characteristic of: a) Heterochromatin b) Euchromatin c) Dispersed chromatin d) Patemal DNA ONLY e) Maternal DNA ONLY 9) When used to describe the RNA polymerases' activity, the term “processivity” refers to: a) The ability to recognize and bind to a promoter region b) The ability to remain attached to...
Explain the discovery, mechanism of action and function of AID
(activation-induced deaminase)?
SOMATIC HYPERMUTATION (Figures 7 and 8). Indeed, the discovery of AID provided the missing MSH2-deficient mice had previously been taken to indicate that somatic mutation is initiated by diversification at C:G pairs with MSH2-mediated recognition then triggering a subsequent stage of diversification at A:T pairs. Such a two-stage model was supportedations by the observation that CG-biased mutation was also a characteristic of somatic mutation in B-c nes9 and...
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