Which of these condition of all substrates and en standard state of a biological system?a) There is a 1Menzymes.b) There is a 1M concentration of H+.a)c) The solution is at 25°C.It is assumed the activity of 55M H₂O is the same as the activity at IM H₂O.2. What is the AG of a reaction at equilibrium?a) AG <0(b)AG=0c) AG>0d) Equilibrium and AG are not relatedCXWhich of the following is an omega-6 fatty acid?b)CHow are solid fats and oils different?a) fats contain triacylglycerols with more double bonds than oils.b) fats contain triacylglycerols with three fatty acid chains while oils have triacylglycerolswith two fatty acid chains.OHd)c) fats contain triacylglycerols and oils contain fatty acidsd) fats contain triacylglycerols with fewer double bonds than oilOHOH

The term "standard conditions" in biology typically refers to a set of reference conditions that are…

Answered: a) Which of these contration of all…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Chemistry A diazotrophic bacterium has a mutant glutamine synthetase with decreased activity. The mutant is plated in the media without Gin or Glu. Which amino acid biosynthesis will be reduced? Assume that the concentration of ammonia is high а) Trp b)Glu c)Tyr d)Asp e) Ser
2
What is a hydride ion (H)? OA) the compound transferred to NAD+ in a reduction reaction. B) a hydrogen atom with and a extra electron C) the anion of hydrogen D) A and C OE) A, B and C
1)Ubiquitin is a small protein with a monoisotopic mass of 8560 Da. a) Electrospray ionization of this small protein typically results in major charge states of +8, +9, +10, +11, +12, and +13. Using this information, complete the table below, assuming the charges on each come from protonation. Report mass and m/z values to the ones place. b) Using the data you entered in the table, sketch an expected ESI-MS spectrum for ubiquitin. Label each peak with its charge state. What do you notice about the spacing of peaks along the x-axis. c)The figure shows an experimentally obtained electrospray mass spectrum for ubiquitin. Compare this spectrum to the spectrum you predicted. Are there any differences? If so, what might cause these differences?
Amylase is an enzyme that breaks bonds between the monosaccharides in starch in order to detach these monosaccharides from the chain of starch. Based on this description, which type of reaction does amylase catalyze? A) Osmotic reactions B) Peptide reactions C) Dehydration reactions D) Hydrolysis reactions
The correct systematic name for the fatty acid below is: a) 3 octadecatrienoic acid b) 9 octadecatrienoic acid c) 3,6,9 octadecatrienoic acid d) 9,12,15 octadecatrienoic acid e) None of the above
31.A) What is the overall order of an enzymatic reaction, under conditions where the substrate concentration is much higher with respect to KM? Assume Michaelis-Menten behavior. a) zero b) first c) second d) third e) disordered 31.B) What is the order of an enzymatic reaction with respect to the substrate, under conditions where the substrate concentration is much higher with respect to KM? Assume Michaelis-Menten behavior. a) zero b) first c) second d) third e) disordered
Consider the reaction catalyzed by PFK. In the presence of AMP, which of the following will be expected? Check all that apply: a)The Km for substrate would be decreased b) the initial velocity plot would show the curve shifted to the right c) the R state is stabilized d)the rate of the reaction is diminished
2H,O2 + peroxidase – 2H,O + O2 + peroxidase a) + b). + b) 1. Fill in the a, b, c blanks above with "Substrate" "Enzyme" and “Product"
8
part D E
НО b) HO 1) Name each listed compound (a, b, c, d) below, 2) Arrange them in a right reaction order for corresponded conjugation, and 3) List all involved enzyme(s) in each step. OH НО- OH COOH o-t=o OH Н н OH HN H ОН H H OH HN Н OH c) НО d) HO HO HO OH COOH OH O₂PO OH XR

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