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Biology Section 6.4: Macromolecules Flashcards | StudBud
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Biology Section 6.4: Macromolecules
Biology Section 6.4: Macromolecules
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#macromolecules #biology
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1
What monomers join together to make lipids?
amino acids
glycerol and fatty acids
nucleotides
monosaccharides
2
Which part of cell structure is composed double layer of many of the pictured structure?
cytoplasm
DNA
ribosomes
cell membrane
3
The _________ property of lipids is shown in this photo.
hydrophobic
ionic
hydrophilic
polar
4
Another name for a simple sugar is a
Disaccharide
Monosaccharide
Starch
Polysaccharide
5
_________
is a branch of chemistry devoted to understanding carbon-based molecules
Organic chemistry
Inorganic chemistry
Ecochemistry
Biological chemistry
6
The formula (CH
2
O)
n
represents which type of macromolecule?
Proteins
Nucleic Acids
Carbohydrates
Lipids
7
What are the main functions of carbohydrates?
Energy storage and structural support
Information storage
Barrier formation
Hormone production
8
Sugars, starches, cellulose, and glycogen are all examples of:
Nucleic Acids
Carbohydrates
Lipids
Proteins
9
Monomer type made of a pentose sugar linked to a phosphate group and nitrogenous base
Amino acid
Monosaccharide
Nucleotide
Fatty acid chain
10
What is one way DNA differs from RNA?
DNA has pentose sugar, while RNA has a disaccharide
DNA contains ribose, while RNA contains deoxyribose
DNA contains thymine, while RNA contains uracil
DNA has a phosphate group, while RNA has a nitrogenous base
11
Fats, waxes, and oils are examples of which type of macromolecule?
Carbohydrates
Proteins
Nucleic Acids
Lipids
12
Lactase is an enzyme that cleaves lactose into two sugars through which process?
Nitrogen fixation
Hydrolysis
Dehydration synthesis
Condensation
13
Another word for Organic Compound is
Protein
Monomer
Macromolecule
Carbohydrate
14
One molecule of carbon can form up to
_____ covalent bonds
with other atoms.
10
4
8
2
15
Lactose is an example of a
Polysaccharide
Monosaccharide
Enzyme
Disaccharide
16
If a protein normally found in a pH of 7.4 is exposed to a pH of 3, what will be the result?
The protein will perform more effectively
The protein will be denatured and lose its function
The protein's primary structure will change
The protein will form a quaternary structure
17
Monomer made of a central carbon connected to an H, amino group, carboxyl group, and R-group
Nucleotide
Monosaccharide
Fatty acid chain
Amino acid
18
Starch is an example of a
Polysaccharide
Disaccharide
Protein
Monosaccharide
19
What is shown in the image?
The joining of a glycerol and a fatty acid chain
The joining of two amino acids
The joining of two monosaccharides
The joining of two nucleotides
20
Which four elements are most abundant in living things?
Carbon, Phosphorus, Sulfur, Copper
Hydrogen, Oxygen, Helium, Iron
Carbon, Oxygen, Sulfur, Copper
Hydrogen, Oxygen, Nitrogen, Carbon
21
Which of the following statements is FALSE about amino acids?
Amino acids are the monomers of nucleic acids.
Amino acids always contain at least some nitrogen.
The sequence of amino acids in a protein gives its structure
The 20 amino acids vary in size and shape.
22
This image shows the process of
Hydrolysis
Photosynthesis
Carbon fixation
Dehydration Synthesis
23
Macromolecules are
___________
built from repeating units called
___________
.
polymers ; monomers
sugars ; starches
monomers ; polymers
polymers ; sugars