1,708 Answered Questions for the topic biochemistry

Biochemistry Chemistry

02/18/20

Equilibria Question
Upon conducting an electrophoretic mobility shift assay with DNA, 30% of your DNA is bound by a protein (P) when the total protein concentration is 2.0 μM and the total DNA concentration is 1 nM.... more
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Biochemistry Biology

02/05/20

What are the functions of lipids in our body ?
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Biochemistry Biology

02/05/20

Olive oil is water-insoluble because it is hydrophobic. Why is olive oil hydrophobic ?
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Biochemistry Chemistry

01/29/20

Chemistry Question
How many grams of NaCl (molecular weight = 58.5g mole^ -1) would you dissolve in water to make a 1M NaCl solution with 1-liter final volume ?
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01/29/20

Biology Question
How many grams of NaCl would you dissolve in water to make a 500 mM NaCl solution with 1-liter final volume ?
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01/29/20

Biology Question
How many grams of NaCl (molecular weight = 58.5g mole^ -1) would you dissolve in water to make a 1M NaCl solution with 1-liter final volume ?
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01/29/20

Biology Question
How many grams of sodium chloride would you dissolve in 500ml water (final 500ml) to make a 0.9% (w/v) saline solution ?
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01/29/20

Biology Question
How much milliliters of absolute ethanol (100% ethanol) would you mix with how much milliliter of pure water to make 100ml of 70% (v/v) ethanol solution ?
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01/18/20

Can someone help me please?
Question: Use a suitable diagram and explain the role of glutamate and AMPA/NMDA receptor interaction in the promotion of pyramidal cell excitability, accompanied by spine formation, in the... more
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01/10/20

Hydrogencarbonate

Sherbet lemons are sweets which consist of a flavoured sugar shell filled with sherbet. The sherbet contains sodium hydrogencarbonate, NaHCO3 and tartaric acid (2,3- dihydroxybutanedioic... more
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01/10/20

The simplest carboxylic acid is methanoic acid HCOOH. It occurs naturally in ants.
The simplest carboxylic acid is methanoic acid HCOOH. It occurs naturally in ants.When an ant bites, it injects a solution containing 50% by volume of methanoic acid. A typical ant may inject... more
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Biochemistry Science Chemistry Physics

01/04/20

A gas has a density of 0.791 g/L. What is the molar mass of this gas?
I wonder why the formula is m (mass) = p x V (density multiply with volume)But the answer key of the book is: Molar Mass (M) = g/L × 22.4 L/1 mole = p x VSO , in this situation , do we find mass =... more
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Biochemistry Organic Chemistry

12/29/19

I need help with understanding structural activity relationship of modified compounds.

I synthesized peptoid or mimics of Wollamide a TB antibiotic. I’m seeking to determine the structural activity relationship and understand stereochemistry of each compound. I need to know what’s... more
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Biochemistry Microbiology Pharmacology

12/22/19

I need help with a mix of microbiology/biochem/pharma/stereochem, see details below.

Hello, I need help with a mix of microbiology/biochem/pharma. I did an experiment where I made mimics of TB antibiotics in a lab. I need to understand the structural activity relationship of the... more
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12/20/19

To understand the structural activity relationship of a peptide drug molecule; see details below.

Hello, I need help with a mix of microbiology/biochem/chem/bio. I did an experiment where I made mimics of TB antibiotics in a lab. I need to understand the structural activity relationship of the... more
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12/18/19

I need to understand the structure activity relationship of an antibiotic compound and its bioactivity

Molecule: WollamideMade analogsChanged sterechemDisk Diffusion assayB. SubitulisThe question what is the mechanism of action of Wollamide and why other analogs didnt not work or not inhibted.
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12/18/19

I need to understand the structure activity relationship of an antibiotic compound and its bioactivity
Molecule: Wollamide Made analogsChanged sterechemDisk Diffusion assayB. Subitulis The question what is the mechanism of action of Wollamide and why other analogs didnt not work or not inhibted.
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12/18/19

I am trying to go thrgouh this question and I need someone who is chemsity expert to try to solve this problem which is related to the contrant rates
You designed a contrast agent that incorporates folate so it can bind to folate receptors. When injected intravenously (IV), this contrast agent will mark circulating tumor cells, overexpressing... more
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Biochemistry Biology

12/12/19

BIOCHEM Questions
which enzyme is regulated by a feedforward mechanism by its own substratePKHexokinasePFKPDHIsocitrate dehydrogenase
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Biochemistry Biology Microbiology

12/08/19

MC Questions BioChem

Hello, any help is appreciated, A botanist has discovered that the buds of a species of flower have an intensecitrus flavor, but act as a deadly poison when consumed by humans. Whichbiochemical... more
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Biochemistry Biology Chemistry

12/06/19

biochem amino acids question

which of the following tripeptides is most hydrophobic: a) gly-ser-therb) gly - val - alac)phe-val-isod)arg-lys-methe)ser-iso-leuI am leaning more towards B but I want to know the correct answer... more
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12/04/19

What data does a sequencing chromatogram give??
For my lab we had to change the sequencing of Erv26 depending on our primer. We change the amino acid T69 from AAA to AUA. This is one of our figures but i am unsure how to interpret the data.
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Biochemistry Biology Cancer Disorder

12/01/19

Biochemistry and Fatty Liver Disease
People who eat a large amount of fattening foods often develop fatty liver disease. People with fatty liver disease often have large numbers of small droplets of triglycerides throughout their... more
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Biochemistry Oxidation Synthesis Alcohol

11/24/19

Liver disease and triglycerides
People who eat a large amount of fattening foods often develop fatty liver disease. People with fatty liver disease often have large numbers of small droplets of triglycerides throughout their... more
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Biochemistry

11/23/19

Write a note on the mechanism of detection of proteins through Lowry assay
I know this is a copper reduction reaction of Cu2+ to Cu+ but how are proteins detected?
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