WorksheetsMaap Section 1 Review
Total questions: 23
Worksheet time: 16mins
Macromolecules are made of subunits called monomers. What are the monomers of proteins called?
nucleic acids
monosaccahrides
amino acids
fatty acids
Enzymes can act as organic catalyst in living things. How do enzymes affect reaction rates in cells?
they slow down reactions
They speed up reactions
they use more energy
The diagram shows a monomer of a macromolecule. Which macromolecule is made up of the same structure?
nucleic acids
proteins
carbohydrates
fatty acids
which two of the following are made up of nucleotides?
steroid hormones
polysaccharides
DNA
RNA
polypeptide
An enzyme called carbonic anhydrase is found in red blood cells. The enzyme catalyzes the reaction of H2CO3 into H2O and CO2. Which molecule represents the substrate?
the anhydrase?
the H2CO3?
The H2O?
The red blood cells?
the molecule shown is cellulose. Cellulose is classified as which of the following?
a polysaccharide
an amino acid
a nucleic acid
a steroid
amino acids can undergo dehydration synthesis reactions to form larger molecules called
polysaccharides
triglycerides
nucleotides
polypeptides
Carbohydrates and lipids share which two of the following characteristics?
contain nitrogen
dissolve in water
form hormones
used for energy
contain carbon, hydrogen, and oxygen
Protein in the stomach is partially digested with the help of the enzyme pepsin. In the intestines, the enzyme trypsin further breaks down the protein. Trypsin likely breaks down protein into which of these components?
amino acids
nucleic acids
fatty acids
monosaccharides
Lipids are found in all cell membranes. What is the main function of lipids in the cell membrane?
the build tissues such as bone and muscle
the provide a selectively permeable barrier for the cell membrane
they act as catalyst for breaking down substrates
the break down worn out parts of cells (waste)
Cholesterol is needed to build cell membranes. What is cholesterol?
a nucleic acid
an amino acid
a carbohydrate
a lipid
Fats are a type of lipid. Which two of the following are primary functions of fats?
long-term energy
main component in cell walls
insulation or fat storage
storage of genetic information
catalyst for chemical reactions
The substance labeled maltase is a type of what?
lipid
carbohydrate
enzyme
steroid
Which two of the following factors affect an enzymes shape and ability to function?
enzyme concentration
pH level
temperature
substrate concentration
humidity
Which represents the amount of energy the catalyzed reaction used? (the one with the enzyme)
I
II
III
IV
Which part does not belong on a nucleotide?
phosphate
nitrogen base
triglyceride
pentose sugar
What macromolecule is being formed using dehydration synthesis?
a protein
a disaccharide
a triglyceride
DNA
What is the main function of the macromolecule shown?
controlling immune response
building muscle
providing energy to cells
storing genetic information
what is the monomer for the following biomolecule?
Carbohydrate
fatty acid
amino acid
Nucleotide
monosaccharide
what is the monomer for the following biomolecule?
lipid
fatty acid
amino acid
Nucleotide
monosaccharide
what is the monomer for the following biomolecule?
protein
fatty acid
amino acid
Nucleotide
monosaccharide
what is the monomer for the following biomolecule?
nucleic acid
fatty acid
amino acid
Nucleotide
monosaccharide
What can be determined from this graph?
catalase works best at a neutral pH around 7
catalase is denatured at all pH levels above 7
Catalase activity is greatest in acidic solutions below 3 and in basic solutions above 8
catalase activity is largely unaffected by pH
