How is mitochondrial energy-generating system (MEGS) capacity measured?
How is mitochondrial energy-generating system (MEGS) capacity measured?
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Biochemistry
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How do defects in complex V affect mitochondrial respiration?
How do defects in complex V affect mitochondrial respiration?
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What is glycolysis? What are its steps?
What is glycolysis? What are its steps?
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A 5250 base-pair long plasmid with 10 negative supercoils would have a linking number of __________, considering 10.5 base pairs per turn for B DNA.
A 5250 base-pair long plasmid with 10 negative supercoils would have a linking number of __________, considering 10.5 base pairs per turn for B DNA.
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In Michaelis-Menten’s equation, if [ 𝑆 ] = 15 𝐾 𝑚 [S]=15K m , then the ratio 𝑣 0 𝑉 𝑚 𝑎 𝑥 V max v 0 is __________.
In Michaelis-Menten’s equation, if [S]=15Km[S] = 15 K_m[S]=15Km, then the ratio v0Vmax\frac{v_0}{V_{max}}Vmaxv0 is __________.
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Factor H, a complement regulatory protein in plasma, binds C3b and
Factor H, a complement regulatory protein in plasma, binds C3b and (A) competes with factor B to displace Bb from convertase. (B) initiates the catabolism of C3b into inactive products. (C) then binds to C3bBb convertase. (D) acts as a cofactor for factor I.
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Which one or more of the following statements correctly describe(s) the changes upon the addition of puromycin during eukaryotic translation?
Which one or more of the following statements correctly describe(s) the changes upon the addition of puromycin during eukaryotic translation? (A) Puromycin resembles the aminoacyl end of the charged tRNA. (B) Puromycin occupies the A site of the translating ribosomes. (C) Puromycin occupies the P site of the translating ribosomes. (D) Puromycin occupies the E … Read more
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Which one or more of the following statements is/are correct in the processing of pre-mRNA in eukaryotes?
Which one or more of the following statements is/are correct in the processing of pre-mRNA in eukaryotes? (A) 3′ → 5′ exonuclease activity is involved in the conversion of pre-mRNA to mRNA. (B) 5′-capping and addition of 3′-poly A tail precede splicing. (C) Splicing of pre-mRNA occurs via transesterification reaction. (D) Alternative splicing can yield … Read more
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Which one or more of the following statements correctly describe(s) fluorescence spectroscopy?
Which one or more of the following statements correctly describe(s) fluorescence spectroscopy? (A) The emission maxima (λmax) is independent of the excitation wavelength. (B) The emission maxima (λmax) depends on the concentration of a quencher. (C) The emission maxima (λmax) varies with solvent polarity. (D) The emission maxima (λmax) varies with temperature.
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Which one or more of the following statements is/are correct regarding the transport and retention of proteins in different cell organelles?
Which one or more of the following statements is/are correct regarding the transport and retention of proteins in different cell organelles? (A) Mannose 6-phosphate residues are involved in targeting proteins to lysosomes. (B) Transport of proteins into the mitochondrial compartment is aided by positively charged amino acid residues at the N-terminus and internal hydrophobic segments. … Read more
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Top Questions
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Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Sourav
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Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein
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Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities
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Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
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Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products
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Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein
