1,698 Answered Questions for the topic biochemistry

09/12/21

What is the Wavelength? - 2
Help with this question. What is the wavelength? What is the wavelength in meters of an electromagnetic wave whose frequency is 2.07 x 10^12 s^-1?
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09/12/21

Chemical kinetics question

1) The hydrolysis of sucrose (C12H22O11) into glucose and fructose in acidic water has a rate constant of 1.8 x 10-4 s-1 at 25oC. Experimentally, it is found that the rate of reaction only depends... more
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Biochemistry

09/09/21

how does the “sequential” and “symmetry” models, used to describe the effects of allosteric regulation, differ in their explanation of how the phenomenon of “positive co-operativity” occurs.
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Biochemistry

09/09/21

how does the transient structural conformations and different phosphorylation states of a specific membrane protein helps cells to accumulate potassium ions against a strong gradient.

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Biochemistry

09/04/21

Alpha D Glucose and Beta D Glucose

A. C5 Epimers B. C4 Epimers C. C2 Epimers D. C3 Epimers E. C1 Anomers
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08/29/21

chem math question
Calculate the mass of each of the following: (a) a sphere of gold with a radius of 12.1 cm; the density of gold is 19.3 g/cm3.) Enter your answer in scientific notation.(b) a cube of platinum of... more
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08/29/21

chem math question
1) A certain person had a brain that weighed 1.40 kg and contained 1.74 × 1010 cells. Assuming that each cell was completely filled with water (density = 1.00 g/mL), calculate the length of one... more
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Biochemistry Science Biology Chemistry

08/24/21

Which is not a property of water?
a. hydrogen bonds form between molecules of opposite partial charges. B. A covalent bond is formed by sharing the electrons of two... more
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Biochemistry

08/24/21

If water is one of the biochemical components in creating life, how important is liquid water on a planet? Do you think having liquid is enough to sustain life? Support your answer.
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08/18/21

 Discuss 3 influences in Genetic and Biochemistry in relation to Molecular Biology.
explain the relation of genetic and Biochemistry in Molecular Biology.
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08/17/21

Calculate Molarity and Concentration
1. Calculate the molarity of the following solutions: a. A sample of solid KBr weighing 8.90 g is put in enough distilled water to give 200.0 mL of solution. b. A 24.9 g sample of NaCl is dissolved... more
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08/17/21

Calculate Molarity and Concentration
1. Calculate the molarity of the following solutions: a. A sample of solid KBr weighing 8.90 g is put in enough distilled water to give 200.0 mL of solution. b. A 24.9 g sample of NaCl is dissolved... more
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Biochemistry

08/10/21

Is protein essential for bodily functioning? What are the practical applications of proteins in our activities of daily living? Provide substantial information and supporting statements.
answer in no more than ten sentences the prompt below
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08/05/21

Can someone please help me with Chemistry question?
a mixture is known to contain mercury (II) oxide a 4.85 gram sample of the of the mixture is heated decomposing the mercuric oxide and 254ml of oxygen gas are collected at 32.0 C and 735.0 torr... more
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Biochemistry Hormones Adh Vasopressin

08/03/21

Can having chronically low ADH cause a compensating increase in aldosterone?
If a person is not able to make or release enough ADH, can aldosterone production increase to compensate? If so, would this scenario make one more prone to androgenic effects?
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Biochemistry

08/03/21

What is Thermolabile and Thermoplastic protein?

Please answer in details.
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Biochemistry

08/01/21

Critically examine these 2 scenarios and explain the biochemical rationale of the smoke from the Generator and the charcoal?
Joseph bought a 3.5KVA Generator after retirement, out of joy he kept the Gen in the kitchen and at 8 am the next morning he and his family of 7 were found dead. Similarly, a close family of Joseph... more
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Biochemistry Science Biology Chemistry

07/28/21

Step by step procedure on how to determine the value of n.
The following solutions are needed to be prepared for the titration procedure:1.) 20 mL of 2 M HCl2.) 20 mL of 0.05 M KOHAfter the approval of the procedure, you went through the titration process... more
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07/27/21

finding grams in chemistry

How many grams of water are in a puddle that contains 9.1 x1025 molecules of water (H2O)?
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07/27/21

Atoms in chemistry

A coin contains 0.0800 moles of silver. How many silver atoms are in the coin?
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07/27/21

Finding moles in chemistry

How many moles are in 5.07 grams of cobalt (III) bicarbonate?
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Biochemistry Math Science Biology

07/26/21

How to calculate the molar concentration of the given:
The reaction of 𝐾𝑂𝐻 with 𝐻𝑁𝑂3 is presented by the unbalanced chemical reactionbelow:___ KOH (aq) + ___ HNO3 (aq) ---> ___ KNO3 (aq) + ___ H2O(l)Calculate the molar concentration of Nitric acid... more
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Biochemistry Science Biology Chemistry

07/26/21

Calculate the weight percent %(w/w).
The amount of oxalic acid (𝐻2𝐶2𝑂4) in a sample of rhubarb was determined byreacting with 𝐹𝑒3+. After extracting a 10.62 g of rhubarb with a solvent, oxidation of the oxalic acid required 36.44 mL... more
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Biochemistry

07/21/21

In relation to oxygen supply, describe how complex quaternary protein structure, allosteric regulators and cooperative binding

A constant and adequate supply of oxygen to respiring tissues is critical in maintaining homeostasis. In relation to oxygen supply, describe how complex quaternary protein structure, allosteric... more
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Biochemistry Biology Chemistry

07/20/21

Biochemistry Question

If 2 mL of 0.5 M NaOH is added to 50 mL of 0.1 M sodium phosphate buffer at pH 7.0, what is the resulting pH? If 5 mL of 0.1 M HCl is added to 50 mL of 0.1 M sodium phosphate buffer at pH 7.0,... more
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