1,532 Answered Questions for the topic biochemistry

8d

Why don't probiotics last/thrive?
If probiotics repopulate the gut, why would one have to keep taking them? Once re-established in the gut biome, they should replicate like all other commensals.I read on 1 website that some strains... more
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Biochemistry Psychology

10d

How are SSRIs and SNRIs different?
How does each work and why might one be prescribed over the other?
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Biochemistry

11d

Which statement is false about allosteric regulation?
A. It is usually the mode of regulation for the last step in reaction pathways since this step produces the final product.B. Cellular response is faster with allosteric control than by controlling... more
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Biochemistry Chemistry

26d

Calorimetry Chemistry
In a calorimeter, a random amount of CO, is mixed into 80.0 g of H,0 to create carbonated water. The CO, had an initial temperature of 56,6*C and the water was originally at 24.6 *C. After the... more
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04/26/23

What element in the same group as hydrogen has a larger atomic radius?
What element in the same group as hydrogen has a larger atomic radius? helium  Mercury  rubidium  tungsten  none of the above
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04/26/23

The most common ion for chromium has a charge of 2+. What element in the same period as chromium has a smaller ionic radius?
The most common ion for chromium has a charge of 2+. What element in the same period as chromium has a smaller ionic radius? bromine  calcium  germanium  manganese  none of the above
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04/26/23

What element in the same group as polonium has a lesser electronegativity?
What element in the same group as polonium has a lesser electronegativity?  oxygen  selenium  sulfur  tellurium  none of the above
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04/26/23

What element in the same group as polonium has a lesser electronegativity?
What element in the same group as polonium has a lesser electronegativity?  oxygen  selenium  sulfur  tellurium  none of the above
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04/26/23

The most common ion for lead has a charge of 4+. What element in the same period as lead has a larger ionic radius?
The most common ion for lead has a charge of 4+. What element in the same period as lead has a larger ionic radius?  hafnium  rhenium  thallium  tungsten  none of the above
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Biochemistry

04/17/23

Discuss the biochemical significance of the fact that the reaction catalyzed by the pyruvate dehydrogenase complex is irreversible
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Biochemistry Biology Microbiology

04/17/23

Difference between Potential of action & Na+/K+ pump?
Hey i would like to know the differences between these 2 things, i cant figure it out from Google....
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Biochemistry Math Biology Calculus

04/11/23

Static Equilibrium

Please help to answer the following question - A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 300 N and is 4.50 m long. What is the tension... more
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Biochemistry Math Biology Calculus

04/11/23

Collisions in Real Life

Please help me answer the following question, please provide steps, and work. Question: In the movie, The Matrix Reloaded, Neo (80 kg) jumps toward Agent Smith (600 kg) who jumps towards Neo. When... more
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Biochemistry Science Biology Chemistry

04/09/23

Name two advantages that induced pluripotent stem cells seem to have relative to embryonic stem cell.
Name two advantages that induced pluripotent stem cells seem to have relative to embryonic stem cell.
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Biochemistry Science Biology Chemistry

04/09/23

Why did Dolly the sheep end up looking like the sheep that "donated" the udder cell rather than the sheep that donated the egg?
Why did Dolly the sheep end up looking like the sheep that "donated" the udder cell rather than the sheep that donated the egg?
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Biochemistry

04/07/23

(a) Predict the effect on the net reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase if phosphate were replaced by arsenate
Also, What would be the consequence to an organism if arsenate were substituted for phosphate? Arsenate is very toxic to most organisms. Explain why.
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Biochemistry

04/07/23

In red blood cells, hexokinase has a Michaelis constant KM, of approximately 50 μM, and the substrate concentration, [S], is equal to the blood glucose concentration.

In red blood cells, hexokinase has a Michaelis constant KM, of approximately 50 μM, and the substrate concentration, [S], is equal to the blood glucose concentration. Calculate the blood glucose... more
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04/01/23

Photosynthesis: Photosystem ll
What is the general question that you want to ask about Photosystem II that will be experimental for a lab? What specific, testable hypothesis can you generate from that? The hypothesis must be... more
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04/01/23

Photosynthesis: Photosystem ll
What is the effect of temperature on Photosystem II's electron transfer rate and efficiency the presence of inhibitors, such as herbicides specifically glyphosate?
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04/01/23

Photosynthesis: Photosystem ll
How does changing the wavelength of light affect Photosystem II's ability to generate ATP and NADPH with the idea of the hypothesis being that changing the wavelength of light will affect the rate... more
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03/21/23

A scuba diver ascends too quickly and develops the bends.

A scuba diver ascends too quickly and develops the bends. A nitrogen bubble has formed in the patient's elbow. At a depth of 55 ft,55 ft, where the pressure is 2.66 atm,2.66 atm, the bubble had a... more
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Biochemistry

03/19/23

Why do electrolyte concentrations of the plasma and interstitial fluid are very similar ?
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Biochemistry

03/19/23

Delta G and Equilibrium Related Q
If the hydrolysis of 1 M glucose 6-phosphate catalyzed by glucose 6-phosphatase has a ΔG′∘ of −11.386 kJ/mol at 25 °C, what percentage of substrate remains once the reaction reaches equilibrium... more
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03/15/23

Identify the affect the equilibrium of the system on the following given situation.
Consider the reaction that has reached a state of equilibrium at 200oC:CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g)   exothermic Determine whether each of the following will increase the equilibrium... more
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Biochemistry

03/11/23

How do I reach out to more students?
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