1,698 Answered Questions for the topic biochemistry

Biochemistry Biology Chemistry Anatomy

08/29/20

Label the reversible chemical reaction diagram 
A ⮂ B+Ca. Reactant (substrate) for hydrolysisb. Products of hydrolysisc. Reactants for synthesisd. Product of synthesis
Follows • 2
Expert Answers •1
Biochemistry

08/29/20

What contains and stores the cell's heredatary material?s?
Follows • 1
Expert Answers •1
Biochemistry

08/29/20

A sample of metal has a mass of 23.40 g, and a volume of 5.60 mL. What is the density of t
Follows • 1
Expert Answers •2

08/26/20

What is the condensed formula of 3-ethylheptane ?
Please write the condensed formula of 3-ethylheptane in one line.
Follows • 2
Expert Answers •1
Biochemistry Chemistry

08/26/20

Calculating mass of BSA
Calculate the amount (mass) of BSA (50mg/ml concentration) needed to make 500 ml of 1mg/ml BSA solution.
Follows • 2
Expert Answers •2
Biochemistry Biology Organic Chemistry

08/18/20

What is the use of discolouring carbon/activated charcoal in the extraction of lactose from milk?

I get that activated charcoal is used to decolourise the solution but I want to know why we need to decolorize the solution.
Follows • 1
Expert Answers •1
Biochemistry

08/15/20

Statins are used to decrease cholesterol amounts in the body. What enzyme of the cholesterol biosynthesis pathway do these drugs inhibit?
Explain what enzyme is affected in the cholesterol biosynthesis pathway.
Follows • 1
Expert Answers •1
Biochemistry

08/02/20

Calculate the volume of concentrated HCl needed to prepare 250 mL of 0.1M HCl. (Concentrated HCl has a density of 1.188 g mL–1 and is 37 wt %).
can anyone please help me with this question, I have tried it I got volume= 0.8 M
Follows • 1
Expert Answers •1

08/02/20

Intracellular signaling pathways that are participating in protein sorting and membrane traffic
Hi!I am studying biotechnology. Now I'm doing a course of Molecular biology of the Cell, and one of my tasks is to write an essay about "Intracellular signaling pathways". This essay topic is very... more
Follows • 0
Expert Answers •1
Biochemistry

08/01/20

1.Calculate the mass of sodium hydroxide needed to be weighed to prepare 500 ml of a 0.1 M NaOH solution ?

2. The NaOH solution in question 1, was prepared. It’s then standardized by titrating it against 0.5688g of potassium acid phthalate, which is a primary standard acidic substance (KHP = molar mass... more
Follows • 1
Expert Answers •1

07/30/20

HELP FAST - question on reductive amination
What molecule results from treating 4-oxopentanal with NH4Cl and NaCNBH3? Why? Is this a good, high yield reaction?
Follows • 2
Expert Answers •1
Biochemistry Biology

07/24/20

Explain the metabolic pathways of Cytochromes P450 to lipid lowering agents and grapefruit and acetaminophen and grapefruit
Explain metabolic pathways of Cytochrome 450 to a. lipid lowering agents and grapefruit and b. Acetaminophen and grapefruit Identify the several effects to the human body when these enzymes are... more
Follows • 1
Expert Answers •1

07/23/20

18. NEED HELP FAST

Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C, given that  [Zn2+]=0.00100 M  and  [Au3+]=0.871 M . Standard reduction potentials can be found in... more
Follows • 1
Expert Answers •1

07/23/20

17. NEED HELP FAST

The voltage generated by the zinc concentration cell described by the line notationZn(s) ∣ Zn2+(aq,0.100 M) ‖ Zn2+(aq,? M) ∣ Zn(s)is  19.0 mV  at  25 °C.  Calculate the concentration of... more
Follows • 1
Expert Answers •1

07/23/20

16. NEED HELP FAST

Write the net cell equation for this electrochemical cell. Phases are optional. Do not include the concentrations.Cu(s)∣Cu2+(aq, 0.0155 M)‖Ag+(aq, 3.50 M)∣Ag(s)net cell equation:Calculate  𝐸∘cell... more
Follows • 2
Expert Answers •1

07/23/20

19. NEED HELP FAST

For the aqueous reactiondihydroxyacetone phosphate↽−−⇀glyceraldehyde−3−phosphatethe standard change in Gibbs free energy is  Δ𝐺°′=7.53 kJ/mol . Calculate  Δ𝐺  for this reaction at  298... more
Follows • 1
Expert Answers •1

07/23/20

18. NEED HELP FAST

At  25 ∘C , the equilibrium partial pressures for the reaction3A(g)+4B(g)↽−−⇀2C(g)+2D(g)were found to be  𝑃A=5.87  atm,  𝑃B=4.85  atm,  𝑃C=4.79  atm, and  𝑃D=4.93  atm.What is the standard change... more
Follows • 1
Expert Answers •1

07/23/20

17. NEED HELP FAST

The decomposition of a generic diatomic element in its standard state is represented by the equation12X2(g)⟶X(g)Assume that the standard molar Gibbs energy of formation of X(g) is  5.77... more
Follows • 1
Expert Answers •1

07/20/20

8. NEED HELP FAST

For a particular redox reaction,  BrO−  is oxidized to  BrO−3  and  Cu2+  is reduced to  Cu+ . Complete and balance the equation for this reaction in basic solution. Phases are optional.balanced... more
Follows • 1
Expert Answers •2

07/20/20

7. NEED HELP FAST

Complete and balance the reaction in acidic solution.equation:ZnS + NO_{3}^{-} -> Zn^{2+} + S + NO Which element is oxidized?Which element is reduced?Which species is the oxidizing agent?Which... more
Follows • 1
Expert Answers •1

07/20/20

4. NEED HELP FAST

For the oxidation–reduction reaction equation2Na+S⟶Na2S indicate how many electrons are transferred in the formation of one formula unit of product.electrons:
Follows • 2
Expert Answers •1

07/20/20

10. NEED HELP FAST

A  20.574  g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with  71.827  g of water. A  10.093  g aliquot of this solution is then titrated... more
Follows • 1
Expert Answers •1

07/20/20

15. NEED HELP FAST

Given the informationA+B⟶2D Δ𝐻∘ =-677.5kJ Δ𝑆∘= 370.0 J/K C⟶D Δ𝐻∘ = 509.0kJ Δ𝑆∘=-243.0 J/K calculate  Δ𝐺∘  at 298 K for the reactionA+B⟶2C Δ𝐺∘=
Follows • 2
Expert Answers •2
Biochemistry

07/19/20

Which of the following factor does not affect an enzyme's activity and why?
a. colorb. temperaturec. concentrationd. pH
Follows • 1
Expert Answers •1

07/16/20

9. NEED HELP FAST

An aqueous solution at  25 ∘C  is  7.53%  LiOH by mass and has a density of  1.091  g/mL.What is the pH?pH=
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.