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Home Q & A Board Biology-Related Homework Help Biochemistry
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The names of many enzymes can be recognized by the suffix ________.
The names of many enzymes can be recognized by the suffix ________.
[html]The names of many enzymes can be recognized by the suffix ________.

▸ ase

▸ ate

▸ ite

▸
almask04   82   1 Reply
2 years ago
Acids and bases denature a protein by disrupting ________.
Acids and bases denature a protein by disrupting ________.
[html]Acids and bases denature a protein by disrupting ________.

▸ amide bonds and alkene bonds

▸ salt bridges and hydrogen bonds

▸ salt bridges and hydrophobic interactions

▸ peptide bonds and salt bridges

▸ hydrophobic interactions and peptide
yashreds   77   1 Reply
2 years ago
What kinds of interactions are not part of tertiary protein structure?
What kinds of interactions are not part of tertiary protein structure?
What kinds of interactions are not part of tertiary protein structure?

▸ peptide bonds

▸ disulfide bonds

▸ hydrophilic interactions

▸ hydrophobic interactions

▸ salt bridges
Pikachau   57   1 Reply
2 years ago
Which of the following is a secondary protein structure?
Which of the following is a secondary protein structure?
Which of the following is a secondary protein structure?

▸ α-helix

▸ disulfide bond

▸ Ser-Met-Ala-Gly-Ile

▸ salt bridges

▸ hydrophobic interactions
brodylaw   55   1 Reply
2 years ago
The attractive forces that are important in the secondary structure of a protein are ________.
The attractive forces that are important in the secondary structure of a protein are ________.
The attractive forces that are important in the secondary structure of a protein are ________.

▸ hydrogen bonds

▸ peptide bonds

▸ hydrophobic interactions

▸ salt bridges

▸ disulfide bonds
psantiago   66   1 Reply
2 years ago
In the peptide GLVIW, the C-terminus is ________.
In the peptide GLVIW, the C-terminus is ________.
In the peptide GLVIW, the C-terminus is ________.

▸ serotonin

▸ alanine

▸ glycine

▸ glycerine

▸ tryptophan
civi   63   1 Reply
2 years ago
In the peptide Ala-Try-Gly-Phe, the N-terminus is ________.
In the peptide Ala-Try-Gly-Phe, the N-terminus is ________.
In the peptide Ala-Try-Gly-Phe, the N-terminus is ________.

▸ tryptophan

▸ phenylalanine

▸ aspartate

▸ alanine

▸ glycine
kenzienoelle16   88   1 Reply
Guest
2 years ago
In the peptide STFNA, the N-terminus is ________.
In the peptide STFNA, the N-terminus is ________.
In the peptide STFNA, the N-terminus is ________.

▸ aspartate

▸ phenylalanine

▸ alanine

▸ serine

▸ tryptophan
cmperez1988   54   1 Reply
2 years ago
The one letter abbreviation for the amino acid tyrosine is ________.
The one letter abbreviation for the amino acid tyrosine is ________.
The one letter abbreviation for the amino acid tyrosine is ________.

▸ T

▸ R

▸ W

▸ Y

▸ P
gaytor   44   1 Reply
2 years ago
Which of the following would be most likely to be deficient in at least one essential amino acid?
Which of the following would be most likely to be deficient in at least one essential amino acid?
Which of the following would be most likely to be deficient in at least one essential amino acid?

▸ milk

▸ beans

▸ ham

▸ eggs

▸ steak
hlturner75   64   1 Reply
2 years ago
The interior of a lipid bilayer is the hydrophilic region.
The interior of a lipid bilayer is the hydrophilic region.
The interior of a lipid bilayer is the hydrophilic region.

▸ true

▸ false
garrettl24   54   1 Reply
2 years ago
A triacylglycerol that is solid at room temperature is called a(n) ________.
A triacylglycerol that is solid at room temperature is called a(n) ________.
A triacylglycerol that is solid at room temperature is called a(n) ________.

▸ oil

▸ wax

▸ fat

▸ lecithin

▸ cephalin
jcarpp   55   1 Reply
2 years ago
The acid hydolysis of an amide gives an amine and a carboxylic acid.
The acid hydolysis of an amide gives an amine and a carboxylic acid.
The acid hydolysis of an amide gives an amine and a carboxylic acid.

▸ true

▸ false
Afsa   70   1 Reply
2 years ago
Aspirin that has a smell of vinegar has broken down by hydrolysis.
Aspirin that has a smell of vinegar has broken down by hydrolysis.
Aspirin that has a smell of vinegar has broken down by hydrolysis.

▸ true

▸ false
sjeanlou423   54   1 Reply
2 years ago
Butyl alcohol is one of the reactants used to make methyl butyrate.
Butyl alcohol is one of the reactants used to make methyl butyrate.
Butyl alcohol is one of the reactants used to make methyl butyrate.

▸ true

▸ false
ninsta2700   42   1 Reply
2 years ago
Most of the carboxylic acid in an aqueous solution is ionized.
Most of the carboxylic acid in an aqueous solution is ionized.
Most of the carboxylic acid in an aqueous solution is ionized.

▸ true

▸ false
123isme   79   1 Reply
2 years ago
The major acidic component of vinegar is formic acid.
The major acidic component of vinegar is formic acid.
The major acidic component of vinegar is formic acid.

▸ true

▸ false
tum2015   51   1 Reply
2 years ago
To which chemical class does phenobarbital belong?
To which chemical class does phenobarbital belong?
To which chemical class does phenobarbital belong?

▸ amine

▸ amide

▸ ester

▸ ether

▸ alkane
9bleacher   44   1 Reply
2 years ago
With the correct choice of acid, acid hydrolysis of acetamide could produce ________.
With the correct choice of acid, acid hydrolysis of acetamide could produce ________.
[html]With the correct choice of acid, acid hydrolysis of acetamide could produce ________.

▸ acetaldehyde and ammonium hydroxide

▸ acetic acid and ammonium chloride

▸ formic acid and ethylamine

▸ acetic acid and methylamine

▸ ethanol and ammoni
jcarpp   48   1 Reply
2 years ago
A deficiency of which amine is responsible for the signs and symptoms of Parkinson's disease?
A deficiency of which amine is responsible for the signs and symptoms of Parkinson's disease?
A deficiency of which amine is responsible for the signs and symptoms of Parkinson's disease?

▸ diphenhydramine

▸ methedrine

▸ epinephrine

▸ histamine

▸ dopamine
Birdy   49   1 Reply
2 years ago
How many alkyl substituents does N-ethyl-N-methylaniline have?
How many alkyl substituents does N-ethyl-N-methylaniline have?
How many alkyl substituents does N-ethyl-N-methylaniline have?

▸ one

▸ two

▸ three

▸ eight

▸ none
Jesse21   68   1 Reply
2 years ago
What functional group is always found in alkaloids (such as caffeine, nicotine, and digitalis)?
What functional group is always found in alkaloids (such as caffeine, nicotine, and digitalis)?
What functional group is always found in alkaloids (such as caffeine, nicotine, and digitalis)?

▸ ether

▸ acid

▸ amine

▸ ester

▸ amide
lolerdog1   46   1 Reply
2 years ago
Which of the following represents the complete neutralization of dimethylamine?
Which of the following represents the complete neutralization of dimethylamine?
[html]Which of the following represents the complete neutralization of dimethylamine?

▸ CH3—NH + HCl → CH3—NH2 + CH3Cl
  |
jag   116   1 Reply
2 years ago
What is the product of the reaction of an alcohol and a carboxylic acid when heated together under ...
What is the product of the reaction of an alcohol and a carboxylic acid when heated together under ...
What is the product of the reaction of an alcohol and a carboxylic acid when heated together under acidic conditions?

▸ an aldehyde

▸ an ester

▸ a salt

▸ an ether

▸ a ketone
yashreds   59   1 Reply
2 years ago
Many of the fragrances of flowers and the flavors of fruits are due to ________.
Many of the fragrances of flowers and the flavors of fruits are due to ________.
Many of the fragrances of flowers and the flavors of fruits are due to ________.

▸ amides

▸ esters

▸ amines

▸ ethers

▸ carboxylic acids
treyjames1   59   1 Reply
2 years ago
Which of these functional groups is likely to give a sour taste to a food?
Which of these functional groups is likely to give a sour taste to a food?
Which of these functional groups is likely to give a sour taste to a food?

▸ ketone

▸ ester

▸ carboxylic acid

▸ ether

▸ thiol
mrzbrooks   55   1 Reply
2 years ago
Which carboxylic acid in the list below is an aromatic carboxylic acid?
Which carboxylic acid in the list below is an aromatic carboxylic acid?
Which carboxylic acid in the list below is an aromatic carboxylic acid?

▸ butyric acid

▸ acetic acid

▸ benzoic acid

▸ benzene

▸ citric acid
Jeff Stein   53   1 Reply
2 years ago
The product of reduction of mannose is mannoic acid.
The product of reduction of mannose is mannoic acid.
The product of reduction of mannose is mannoic acid.

▸ true

▸ false
yayyay   51   1 Reply
2 years ago
Stereoisomers are not structural isomers.
Stereoisomers are not structural isomers.
Stereoisomers are not structural isomers.

▸ true

▸ false
baschese   52   1 Reply
2 years ago
In a disaccharide, two monosaccharides are joined by what kind of bond?
In a disaccharide, two monosaccharides are joined by what kind of bond?
In a disaccharide, two monosaccharides are joined by what kind of bond?

▸ alcohol

▸ glycosidic

▸ double

▸ anomeric

▸ rotational
lolooe   69   1 Reply
2 years ago
Which of the following compounds is chiral?
Which of the following compounds is chiral?
[html]Which of the following compounds is chiral?

▸  Br
 ∣
H - C - OH
riirkirir   41   1 Reply
2 years ago
The breakdown of glucose to chemical energy for the cells to do work is an example of ________.
The breakdown of glucose to chemical energy for the cells to do work is an example of ________.
The breakdown of glucose to chemical energy for the cells to do work is an example of ________.

▸ mutarotation

▸ reduction

▸ oxidation

▸ anabolism

▸ respiration
garrettl24   51   1 Reply
2 years ago
A monosaccharide that contains 6 carbon atoms, one of which is in an aldehyde group, is classified ...
A monosaccharide that contains 6 carbon atoms, one of which is in an aldehyde group, is classified ...
A monosaccharide that contains 6 carbon atoms, one of which is in an aldehyde group, is classified as a(n) ________.

▸ aldotetrose

▸ aldopentose

▸ ketotetrose

▸ ketopentose

▸ aldohexose
karlec   52   1 Reply
2 years ago
Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?
Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?
Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?

▸ disaccharides

▸ tetrasaccharides

▸ polysaccharides

▸ trisaccharides

▸ monosaccharides
petergreeker   49   1 Reply
2 years ago
Primary alcohols can be oxidized to either aldehydes or ketones.
Primary alcohols can be oxidized to either aldehydes or ketones.
Primary alcohols can be oxidized to either aldehydes or ketones.

▸ true

▸ false
mrzbrooks   52   1 Reply
2 years ago
Alcohols can be dehydrated to form alkenes.
Alcohols can be dehydrated to form alkenes.
Alcohols can be dehydrated to form alkenes.

▸ true

▸ false
lindsaykinz   35   1 Reply
2 years ago
A secondary alcohol can be easily oxidized to a carboxylic acid.
A secondary alcohol can be easily oxidized to a carboxylic acid.
A secondary alcohol can be easily oxidized to a carboxylic acid.

▸ true

▸ false
Gprophet   39   1 Reply
2 years ago
Formaldehyde is used in solution as a germicide and preservative.
Formaldehyde is used in solution as a germicide and preservative.
Formaldehyde is used in solution as a germicide and preservative.

▸ true

▸ false
andrewschloding   49   1 Reply
2 years ago
Thiols contain the -SH group.
Thiols contain the -SH group.
Thiols contain the -SH group.

▸ true

▸ false
Gini   48   1 Reply
2 years ago
Ethers can only be straight chain compounds.
Ethers can only be straight chain compounds.
Ethers can only be straight chain compounds.

▸ true

▸ false
CharW67   59   1 Reply
2 years ago
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