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09/24/23

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

1.) Glucose would be moving against its gradient into the cell2.) Glucose follows the gradient of sodium into the cell 3.) Glucose would be moving with its gradient into the cell4.) ATP is not... more

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Biochemistry Biology Microbiology

09/24/23

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.1.) Glucose would be moving... more

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Biochemistry Biology Microbiology

09/24/23

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.1.) Glucose would be moving... more

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Biochemistry Biology Microbiology

09/24/23

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.1.) Glucose would be moving... more

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Biochemistry Biology Microbiology

09/24/23

A symporter moves glucose and sodium from extracellular fluids into the cell. What can be concluded about the movement of glucose?

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.1.) Glucose would be moving... more

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

What type of attractive chemical interaction can occur between a charged side group and surrounding water molecules?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

What types of attractive chemical interactions can occur between a neutral, hydrophilic side group and surrounding water molecules?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

No side groups are involved in 2° structure H-bonding. Which atoms are directly involved in α - helix and β -sheet H-bonding?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

Explain why the folded structure is more thermodynamically favored (i.e., stable) in an aqueous environment than the unfolded structure.

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

β -sheets can be either intra- or intermolecular, but α -helices are always intramolecular. Briefly explain why this is the case.

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/20/23

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/06/23

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

09/06/23

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0

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Biochemistry Biology Chemistry

07/20/23

Please Help! Chemistry

Atomic nuclei can undergo two types of nuclear changes: fusion and fission. In one paragraph, compare and contrast these two changes and provide a real-world example of each type. e12.q21

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/23/23

The melting point of the re-crystallized salicylic acid has given a range of two or three.......

The melting point of the re-crystallized salicylic acid has given a range of two or three degrees, with upper limit of the range slightly below the (real) literature value of the melting point of... more

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/23/23

If the material that you are re-crystallizing fails to precipitate out of the cold solvent, propose what would you do to recover the material from the solution?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/23/23

Draw the structural formula, IUPAC name and physical properties (color, mp, solubilities) of salicylic acid.

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/21/23

Primary alcohols and secondary alcohols can be oxidized with chromic acid, but tertiary alcohols cannot. (i) How do the structural differences between the alcohols account for the observed reactions?

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Biochemistry Organic Chemistry

06/15/23

the enthalpy of dissolution (dissolving) of sodium hydroxide,

A student wants to determine the enthalpy change associated with dissolving solid sodium hydroxide,NaOH, in water. The student dissolves 1.96 g of NaOH in 100 mL of water in a coffee-cup... more

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/14/23

What is the 3d shape and polarity of 2-butyne?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/14/23

What is the 3d shape and polarity of butane?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/14/23

name this compound: h3c-ch2-ch=o

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/14/23

What is the 3d shape and polarity of propanol?

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Biochemistry Chemistry Organic Chemistry Chemical Engineering

06/14/23

What is the 3d shape and polarity of 1-amine-1,3-cyclopentadiene?

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A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.

A symporter moves glucose and sodium from extracellular fluids into the cell. What can be concluded about the movement of glucose?

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

What type of attractive chemical interaction can occur between a charged side group and surrounding water molecules?

What types of attractive chemical interactions can occur between a neutral, hydrophilic side group and surrounding water molecules?

No side groups are involved in 2° structure H-bonding. Which atoms are directly involved in α - helix and β -sheet H-bonding?

Explain why the folded structure is more thermodynamically favored (i.e., stable) in an aqueous environment than the unfolded structure.

β -sheets can be either intra- or intermolecular, but α -helices are always intramolecular. Briefly explain why this is the case.

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0

Please Help! Chemistry

The melting point of the re-crystallized salicylic acid has given a range of two or three.......

If the material that you are re-crystallizing fails to precipitate out of the cold solvent, propose what would you do to recover the material from the solution?

Draw the structural formula, IUPAC name and physical properties (color, mp, solubilities) of salicylic acid.

Primary alcohols and secondary alcohols can be oxidized with chromic acid, but tertiary alcohols cannot. (i) How do the structural differences between the alcohols account for the observed reactions?

the enthalpy of dissolution (dissolving) of sodium hydroxide,

What is the 3d shape and polarity of 2-butyne?

What is the 3d shape and polarity of butane?

name this compound: h3c-ch2-ch=o

What is the 3d shape and polarity of propanol?

What is the 3d shape and polarity of 1-amine-1,3-cyclopentadiene?

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