Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?
Question 1: What are nucleic acids? What is the historic origin of this name? Question 2: Of what units are nucleic acids constituted? What are the chemical entities that compose that unit?
Question 1: What is the action mechanism of the antiretroviral drugs called protease inhibitors which are used against HIV infection? Question 2: What are allosteric enzymes?
For the enzymatic reaction what is the effect of a substance with the same spatial conformation as an enzymatic substrate? How is this type of substance known?
How is the cooling of organs and tissues for medical transplants associated with the effect of temperature upon enzymatic reactions?
Concerning enzymatic reactions, how different are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a re
What happens to a denatured enzyme regarding its functionality? How can that result be explained with the help of the lock and key model?
Question 1: On what structural level of the enzyme (primary, secondary, tertiary or quaternary) does the enzyme-substrate interaction depend? Question 2: What is the activation center of an enzyme?
What are enzymes? What is the importance of enzymes for living beings? How does the formation of the enzyme-substrate complex explain the reduction of the activation energy of chemical reactions?
Assuming a single open reading frame, how many different polypeptides spanning at least 2 exons can be produced from a gene that has 2 introns?
When Hershey and Chase infected bacterial cells that had been grown in the presence of radioactive phosphorus with bacteriophage T2, both the phage RNA and DNA must have incorporated the labeled pho
What physiological conditions will stimulate glycogen degradation in each tissue? What are the signals for these conditions, and how do they stimulate glycogen degradation?
Discuss the importance of motility in the life cycle of parasitic protozoa. Why is the PAV allele more sensitive than the AVI allele and what are the advantages of PAV allele.
Explain how the quantitative proteomics technique SILAC works. In addition to a general description your answer should include the isotopes used and how complete incorporation is achieved.
Explain the difference between ‘metabolomics' and ‘metabonomics'. What are the main challenges associated with metabolomics?
Name two transcriptomic technologies. Identify an advantage for each technology you have named above.
Briefly describe two ways in which this method differs from traditional Sanger sequencing, and what effect this has had on genome sequencing strategies.
Outline the steps required for the synthesis of an oligonucleotide from phosphoramidite precursors. How has our ability to routinely synthesize oligonucleotides impacted on ourability to synthesise ge
Discuss four possible effects that may occur when a cell receives instructions from two different hormones. Why has it been difficult to develop an effective vaccine against the parasitic helminth Sch
Using specific examples, discuss how postgenomic biotechnologies can improve healthcare. Compare and contrast PCR-dependent and PCR-independent "next generation" sequencing strategies.
DNA replication in bacteria is performed by the replisome molecular machine, which couples the activities of 11 different proteins in different enzymes.
What is the duty ratio of a motor protein and how is it calculated? Define processivity. How is the duty ratio of a motor protein related to its processivity?
Discuss our current understanding of the two motors in ATP synthase, and how they function in concert.Describe the molecular basis and functional roles of the two examples of molecular mimicry found i
What types of behaviour can a singlemolecule experiment reveal for a population of macromolecules, which may otherwise be hidden in an ensembleaveraged measurement? As an example consider
Name one group of eusocial insects that do nothave a haplodiploid genetic system. What drives the evolution of eusociality in insects with clonal genetic systems?