Homework Answers
The nucleotide adenosine is present in cofactors that catalyse many basic metabolic processes such as acyl, methyl, and phosphoryl group transfer, as well as redox reactions. Adenosine-based cofactors can be acted as interchangeable adaptors that allowed enzymes and ribozymes to bind new cofactors through small modifications in existing adenosine-binding domains, which had originally evolved to bind a different cofactors.
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11. Speculate why adenosine, rather than another large molecule, is used often as a cofactor in a nucleotide-bindin...
Sometimes a single-stranded molecule of RNA is able to fold back on itself because the nucleotide...
Sometimes a single-stranded molecule of RNA is able to fold back on itself because the nucleotide sequence on one part of the RNA is complementary to another part. This sequence motif directly results in a: Group of answer choices transcription factor binding site RNA polymerase hairpin-shaped structure membrane protein A large number of new mutations occuring in an animal genome every generation would be acceptable if: Group of answer choices there were good DNA repair mechanisms most of the genome...
Why are cells able to produce much more ATP per sugar molecule when oxygen rather than...
Why are cells able to produce much more ATP per sugar molecule when oxygen rather than an organic molecule is used as the terminal receptor?
Just explain why temperature is different at coastal areas rather than inland ignore data 2. If...
Just explain why temperature is different at coastal areas
rather than inland ignore data
2. If you live near a large body of water (i.e. in Newport Beach), there are often much smaller variations in daytime high and nighttime low temperatures during summer than it is further inland (i.e. Chapman University). Explain why this is the case based on your data and information discussed in this experiment.
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A....
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
2. Why is it safer to use NaOCI as the oxidant, rather than Cro. / pyridine?...
2. Why is it safer to use NaOCI as the oxidant, rather than Cro. / pyridine? 3. Sodium hypochlorite is prepared by reacting Cl, through aqueous (excess) NaOH. Write a balanced equation for this; HINT: push electrons. 4. Looking a the reaction scheme in the background section of this lab, what mechanism(s) are involved in this reaction. Name them and indicate which reaction steps follow these mechanistic patterns. 130 3. Theoretical question: Suppose you had a 20/80 mixture of part...
10. This is Leucine, an amino acid. A. What types of bonds is Leucine composed of?...
10. This is Leucine, an amino acid. A. What types of bonds is Leucine composed of? он CH CH H3c CH3 B. Which of these bonds are polar and which are non-polar? 2 、H which parts of this molecule could form Hydrogen bonds with another molecule? What properties would this other molecule need to have for this to occur? C, ~ Which parts of this molecule could form hydrophobic interactions with another molecule? What properties would this other molecule need...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four different types of nucleotides? An alien species was discovered that has DNA comprised of 6 diferent bases: binds to C: A binds to and X binds to Y Approximately 10% of this allen genome is comprised of nucleotides containing Cand 22% is comprised of nucleotides containing Y. Given this information, calculate the percentage of the alien genome that is comprised of nucleotides containing GTA...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because women are more reproductively “valuable” than men, hence competition for mates is fiercer among men Because men invest more heavily in reproduction than women Because men secrete more testosterone Trivers’ theory does not speculate on the origin of the sex difference in size and physical aggression Although some women are interested in casual sex (short-term mating), research has suggested that there are differences in...
1. A calorie is a measure of the energy content of food. a. True b. False...
1. A calorie is a measure of the energy content of food. a. True b. False 2. Which chemical in the alcohol metabolic pathway is most toxic? a. ethanol b. acetaldehyde c. acetic acid d. none are toxic e. all are equally toxic 3. Which of the following are risks of long term regular use of alcohol. a. Increased cancer rates. b. Infertility and impotence. c. Diabetes. d. Liver disease. e. All of the above. 4. An amino acid is...
Just explain why temperature is different at coastal areas
rather than inland ignore data
2. If you live near a large body of water (i.e. in Newport Beach), there are often much smaller variations in daytime high and nighttime low temperatures during summer than it is further inland (i.e. Chapman University). Explain why this is the case based on your data and information discussed in this experiment.
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
2. Why is it safer to use NaOCI as the oxidant, rather than Cro. / pyridine? 3. Sodium hypochlorite is prepared by reacting Cl, through aqueous (excess) NaOH. Write a balanced equation for this; HINT: push electrons. 4. Looking a the reaction scheme in the background section of this lab, what mechanism(s) are involved in this reaction. Name them and indicate which reaction steps follow these mechanistic patterns. 130 3. Theoretical question: Suppose you had a 20/80 mixture of part...
10. This is Leucine, an amino acid. A. What types of bonds is Leucine composed of? он CH CH H3c CH3 B. Which of these bonds are polar and which are non-polar? 2 、H which parts of this molecule could form Hydrogen bonds with another molecule? What properties would this other molecule need to have for this to occur? C, ~ Which parts of this molecule could form hydrophobic interactions with another molecule? What properties would this other molecule need...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four different types of nucleotides? An alien species was discovered that has DNA comprised of 6 diferent bases: binds to C: A binds to and X binds to Y Approximately 10% of this allen genome is comprised of nucleotides containing Cand 22% is comprised of nucleotides containing Y. Given this information, calculate the percentage of the alien genome that is comprised of nucleotides containing GTA...
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