1,698 Answered Questions for the topic biochemistry

Biochemistry Chemistry

11/19/20

Excipients used in API

In detail can someone outline the following points in relation to Porous silica History Properties Safety and hazards Applications and uses

11/17/20

Energy of Light

The energy of a particular color of violet light is 4.51×10-22 kJ/photon.The wavelength of this light is ______nanometers.(109 nm = 1 m)

11/17/20

Energy of Light

X-ray radiation falls in the wavelength region of 1.00×10-11 to 1.00×10-8 meters.What is the energy of X-ray radiation that has a wavelength of 1.00×10-11 m?Energy =  _______kJ/photon
Biochemistry Science Biology Chemistry

11/17/20

If I have a 12% solution of hydrogen peroxide (2 cups) and dilute it with 1 cup water, what is the new percentage?

I'm actually doing a lab, this isn't a textbook problem (college bio)
Biochemistry Science Biology Sat

11/16/20

What does protein degradation meaning ?

11/16/20

Determine lattice energy

Consider an ionic compound, Mx2 , composed of generic metal M  and generic, gaseous halogen X.The enthalpy of formation MX2 is delta H°f= -991 kj/molThe enthalpy of sublimation of M delta H sub=... more

11/16/20

What is induction of protein mean ?

11/12/20

What is innervation mean ?

My teacher wanted me to search about Skeletal muscle innervation so what am I suppose to search I was not able to find anything when I typed that to google. I need help please.

11/10/20

Enthalpy of formation

Using standard heats of formation, calculate the standard enthalpy change for the following reaction.2H2O(l)2H2(g) + O2(g)

11/10/20

Enthalpy of formation

Using standard heats of formation, calculate the standard enthalpy change for the following reaction.2Fe(s) + 3Cl2(g)2FeCl3(s)

11/10/20

Enthalpy of formation

A scientist measures the standard enthalpy change for the following reaction to be -220.4 kJ :2H2O2(l)2H2O(l) + O2(g)Based on this value and the standard enthalpies of formation for the other... more
Biochemistry

11/10/20

how does nmr determine protein structure?

Hello! I need help because I need to analyse this article https://pubmed.ncbi.nlm.nih.gov/2001363/ but the thing is, I have never heard of NMR before and my professor won't reply to my emails and... more

11/09/20

What does skeletal muscle innervation meaning ?

11/07/20

What is the effect of artificial electric stimulation on muscle atrophy?

Does it completely reverse atrophy? How (intracellular mechanisms)?
Biochemistry Math Science Biology

11/05/20

Is this sentence correct ?

If you decrease the risk of a type I error, the risk of a type II error is increased
Biochemistry Science Biology Chemistry

11/05/20

Which of the following about isoenzymes are true ?

A.) They have the same primary sequenceB.) They localise in different tissuesC.) Isoenzymes have different isoelectric pointsD.) They remain unaltered in health and diseasesI believe the answer is... more
Biochemistry Science Biology Chemistry

11/05/20

Can you please quickly help me?

Question: What is biomarker?A.) A biological therapy for a diseaseB.) A measurable characteristic by which presence or severity of a disease can be indicatedC.) A symptom of a diseaseD.) A... more

11/04/20

Important question can someone help me?

After several steps of protein purification, your protein yield is lower than you would expect. You suspect a large amount of autolysis (protein degradation) of your sample. How might you minimise... more
Biochemistry Science Chemistry

11/04/20

How to find the molar enthapy of Ammonium nitrate?

10/29/20

Acid-Base Balance and Regulation (Cardiopulmonary Physiology)

Referencing your Siggard-Andersen nomogram, what is the approximate HCO3?FI02 =                   .21Spontaneously breathing @ f = 18Hgb =                   15pH =                     7.22PaC02... more
Biochemistry Science Biology Chemistry

10/28/20

Voting and Biodiversity

How does biodiversity affect voting

10/27/20

Genetics question: A 26-year-old woman of Norwegian descent seeks genetic counseling. Her brother died at age eight of documented cystic fibrosis.

A 26-year-old woman of Norwegian descent seeks genetic counseling. Her brother died at age eight of documented cystic fibrosis. Both of their parents are deceased. The woman undergoes DNA testing... more

10/26/20

Titration: Back Titration

44.2 mL of 1.27 M hydroiodic acid is added to 22.6 mL of calcium hydroxide, and the resulting solution is found to be acidic.28.2 mL of 1.33 M sodium hydroxide is required to reach neutrality.What... more

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