Biochemistry Exam 2 Rated A| 50 Questions and
Answers Verifies 100% Correct
No other kind of atom can form the number and variety of molecules that _________
can because it can bond to 4 other atoms at the same time to make carbs, lipids,
nucleic acids, and proteins.
Carbon
What is made up of a sugar, a nitrogen base, and a phosphate group?
Nucleotide
What nitrogen base is found in DNA but not in RNA?
Thymine
Lipids are different from other macromolecules because they _____________.
Are hydrophobic and don't dissolve in water.
Glycogen, cellulose, and starch are all what?
Polysaccharides
What 2 kinds of molecules combine to form cell membranes?
Proteins and phospholipids.
Adenine, thymine, guanine, cytosine, and uracil are all what?
Nitrogen bases used to make nucleotides.
Which part of a phosphlipid molecule is non-polar and hydrophobic?
The lipid tails.
This molecule is an what?
, amino acid.
This molecule is what?
ATP
What is this image of?
Glucose, a polysaccharide.
What is this image of?
A nucleic acid.
What is this image of?
A protein.
How many amino acids are there?
There are over 20 amino acids.
What is a structural polysaccharide that makes plants sturdy?
Cellulose.
One function of what is to provide insulation?
Lipids.
People with diabetes can't make ______ to control their blood sugar.
Insulin.
What are made by joining amino acid subunits in long chains which provide a wide
variety of functions in cells?
Proteins.
What are made from carbon, hydrogen, and oxygen atoms in a 1 : 2 :1 ratio?
Answers Verifies 100% Correct
No other kind of atom can form the number and variety of molecules that _________
can because it can bond to 4 other atoms at the same time to make carbs, lipids,
nucleic acids, and proteins.
Carbon
What is made up of a sugar, a nitrogen base, and a phosphate group?
Nucleotide
What nitrogen base is found in DNA but not in RNA?
Thymine
Lipids are different from other macromolecules because they _____________.
Are hydrophobic and don't dissolve in water.
Glycogen, cellulose, and starch are all what?
Polysaccharides
What 2 kinds of molecules combine to form cell membranes?
Proteins and phospholipids.
Adenine, thymine, guanine, cytosine, and uracil are all what?
Nitrogen bases used to make nucleotides.
Which part of a phosphlipid molecule is non-polar and hydrophobic?
The lipid tails.
This molecule is an what?
, amino acid.
This molecule is what?
ATP
What is this image of?
Glucose, a polysaccharide.
What is this image of?
A nucleic acid.
What is this image of?
A protein.
How many amino acids are there?
There are over 20 amino acids.
What is a structural polysaccharide that makes plants sturdy?
Cellulose.
One function of what is to provide insulation?
Lipids.
People with diabetes can't make ______ to control their blood sugar.
Insulin.
What are made by joining amino acid subunits in long chains which provide a wide
variety of functions in cells?
Proteins.
What are made from carbon, hydrogen, and oxygen atoms in a 1 : 2 :1 ratio?
