Fermentation is inhibited in presence of molecular oxygen

Assignment Help Biology
Reference no: EM13533458

The bacteriumE. coli is a ‘switch hitter’ – that is, it can grow in the presence or absence of oxygen. However,fermentation is inhibited in the presence of molecular oxygen. Suggest a reason for this observation.

Reference no: EM13533458

Questions Cloud

Principle of macromolecular assembly : Which ofthe following is a basic principle of macromolecular assembly?
Differences in absorbance for BSA and melittin : What effect does melittin have on the cell membrane compared to BSA? Explain the differences in absorbance for BSA and melittin. Hypothesize a reasonable mechanism to explain melittin-induced lysis.
Most part except for the hypothesis : I have a lab report I'm supposed to do, and have done for the most part except for the hypothesis. The lab it's based on is a paper towel lab, so I'm not sure how to word the hypothesis, since the IVs are brand names. Can someone explain this to me?
Colorblind problem : Bob has Klinefelter syndrome and is colorblind (an X-linked recessive condition). His mother and father have normal color vision, but his maternal grandfather is colorblind. Assume that Bob's condition (Klinefelter syndrome) arose from non-disjunc..
Fermentation is inhibited in presence of molecular oxygen : The bacteriumE. coli is a ‘switch hitter’ – that is, it can grow in the presence or absence of oxygen. However,fermentation is inhibited in the presence of molecular oxygen. Suggest a reason for this observation.
Differences between a reductional and equationaldivision : What are the differences between a reductional and equationaldivision. The amount of DNA in a human nucleus upon completion of mitosis is approx. 7pg. How much DNA would be found in a humanc
What does slab scale mean : What does slab scale mean? The pigment scale Transfer Tolerance is used when transferringpigment bags to the slab scale.
Relatonship between the melting point-tm : Draw and label a plot showing the expected relatonship between the melting point, Tm, and the % (A+T) in DNAs. A is Adenosine and T is Thymine. Provide two explanations fotr the observed relationship between Tm and the base composition shown  in the ..
Calculate the superhelical density : When the ends of right handed doble-stranded, linear DNA of 83base pairs and 10.4 base pair/turn corresponding to B-DNA,were jointed together to form double-stranded circular DNA, the writhe(W) was zero.

Reviews

Write a Review

Biology Questions & Answers

  What fraction of people expected to be of genotype of hh

what fraction of people can be expected to be of the genotype HH? D. what would be the phenotype frequencies of non -Huntington's disease?

  Briefly explain why rna is usually single-stranded

Draw a chain of 2 RNA nucleotides. Use R for the nitrogenous bases. Then, briefly explain why RNA is usually single-stranded and why it is less stable than DNA. Modify the drawing before to explain.

  What is occuring at each of the stages of transcription

Describe what is occuring at each of the stages of transcription(1,2,3). How does each stage move the process forward.

  Q1 an alien dna- like molecule is isolated from frozen

q1. an alien dna- like molecule is isolated from frozen remains of a life- form found beneath the martian polar ice

  Different effects produced by these medullary hormones

List five different effects produced by these medullary hormones. Then name the most important mineralocorticoid secreted by the adrenal cortex. And list three actions of this mineralocorticoid.

  Why is a percentage scale used for the x-axis

Why is a percentage scale used for the x-axis rather than actual ages? A) Researchers don't know the maximum life span of the organisms. B) This scale allows you to compare species with widely varying life spans on the same graph.

  Explain classical transcription activators like gal4p

Suggest two ways Rap1p might function so that it is necessary for transcription of Rap1pdependent genes. Please use diagrams to show how it might work.

  Discuss the problems in a land existence

For plants, adaptations to a land environment are different from adaptations to a fresh water environment. Using your knowledge about anatomy, development, and physiology of angiosperms, discuss the problems in a land existence and adaptations of ..

  Why are undefined media more desirable

Why are undefined media more desirable than defined media, especially when it is a selective or differential media? for example, eosin methylene blue agar is a selective undefined medium. Why is that formulation desirable?

  Why the discovery of nuclear capabilities

Formulate one reason why the discovery of nuclear capabilities has been good for mankind and one reason why that discovery has not been good for mankind.

  I want a newspaper article to be written on aids well

i want a newspaper article to be written on aids ..well formatted apa style with reference and complete apa format.

  Q1 a what might be the rationale behind using multidrug

q1. a. what might be the rationale behind using multidrug therapy instead of single drug therapy? b. what would happen

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd