Topics (1.3 & 1.4) Biological Macromolecules

Topics (1.3 & 1.4) Biological Macromolecules

Multiple Choice

What is the basis of hydrogen bond?

• Attraction forces between hydrogen atom bonded with another hydrogen atom

• Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)

• Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule

• Attraction forces between hydrogen atom with another hydrogen atom of another molecule

Multiple Choice

Can ammonia, NH₃ form hydrogen bonds?

• Yes

• No

Multiple Choice

Hydrophilic means

• An attraction to water

• To fear/dislike water

Multiple Choice

Hydrophobic means...

• An attraction to water

• To fear/dislike water

• To like water

Multiple Choice

In hydrolysis, the addition of water causes covalent bonds to...

• form.

• break.

Multiple Choice

Which accounts for the great diversity of biological polymers?

• There are trillions of basic monomers on earth.

• Polymers come together in different combinations to form "mega molecules."

• There is not a great diversity of biological polymers.

• The monomers are arranged in different sequences.

Multiple Choice

What type of bonds are formed by dehydration synthesis and connect monomers together in a polymer?

• Ionic

• Covalent

• Hydrogen

• Van der Waals

Multiple Select

CHECK ALL THAT APPLY!

The following macromolecules contain Carbon, Hydrogen, and Oxygen:

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Multiple Choice

What are the monomers (building blocks) of CARBOHYDRATES?

• Monosaccharides (simple sugars)
• Amino Acids
• Nucleotides
• Glycerol and fatty acids

Multiple Choice

Humans get most of their energy from eating what type of food?

• protein
• carbohydrates
• lipids
• meat

Multiple Choice

Lipids are "hydrophobic" or "water fearing." What does this mean?

• Lipids and water do not mix.
• Lipids mix well with water.

Multiple Choice

__________________ provide us with quick energy, while _________________ are our secondary energy source.

• Lipids, proteins
• Carbohydrates, nucleic acids
• Proteins, carbohydrates
• Carbohydrates, lipids

Multiple Choice

Steroids, like cholesterol and hormones, are types of ___________________.

• Lipids
• Carbohydrates
• Nucleic acids
• Proteins

Multiple Choice

Which part of this phospholipid is hydrophobic?

• fatty lipid tails

• head

• all of it is hydrophobic

• none of it is hydrophobic

Multiple Choice

What is the primary function of NUCLEIC ACIDS?

• Source of energy
• Long term storage of energy
• Transmitting genetic information
• Cell processes and cell signaling

Multiple Choice

What are the monomers (building blocks) of NUCLEIC ACIDS?

• Monosaccharides (simple sugars)
• Amino Acids
• Nucleotides
• Triglycerides/No true monomer

Multiple Choice

Two or more polypeptides attached together and work as one unit

• Primary

• Secondary

• Tertiary

• Quaternary

Multiple Choice

The main bonding in the secondary structure of a protein is due to.....

• covalent bonding

• ionic bonding

• hydrogen bonding

• polar bonding

Multiple Choice

The two types of folding in the secondary structure are.....

• alpha-helix & beta-pleated sheets

• polypeptide & nucleotide

• globular & fibrous

Multiple Choice

Refers to the three-dimensional structure of an entire amino acid chain in a protein molecule

• tertiary structure
• primary structure
• secondary structure
• fibrous proteins

Multiple Choice

What is a peptide bond?

• Bond that holds two amino acids together.

• A bond that holds hydrogen and oxygen molecules together.

• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.

• A bond that is formed by the sharing of electrons.

Multiple Choice

which of the following terms refers to the order in which amino acids are linked together in a protein.

• Primary

• Secondary

• Tertiary

• Quaternary

Multiple Choice

The FUNCTION of any macromolecule is determined by its ______________.

• structure
• pH
• strength
• dissolvability

Multiple Choice

Enzymes are a special type of _______________.

• Protein
• Carbohydrate
• Nucleic Acid
• Lipid

Multiple Choice

What are the monomers (building blocks) of PROTEINS?

• Monosaccharides (simple sugars)
• Amino Acids
• Nucleotides
• Triglycerides/No true monomer