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WorksheetsModule 4 - Biomolecules
Total questions: 21
Worksheet time: 11mins
The basic building block of nucleic acids is the __________.
nucleoside
ester linkage
nucleotide
nitrogen base
Amino acids have both an amino group and a carboxyl group in their structure. Which one of the ff. is an amino acid?
Formic acid
Glycerol
Glycolic Acid
Glycine
__________ acts as a kind of energy bank in the body and is found concentrated in muscles and liver.
Lactose
Cellulose
Starch
Glycogen
Starch, glycogen, and cellulose are made of repeating units of _____________.
lactose
fructose
glucose
sucrose
The secondary structure of a protein is the result of __________ bonding.
covalent
ionic
peptide
hydrogen
The principal difference between fructose and glucose is that __________.
fructose is a disaccharide while glucose is a monosaccharide
fructose is a monosaccharide while glucose is a disaccharide
glucose is chiral while fructose is not
fructose is a ketone sugar while glucose is an aldehyde sugar
The double helix of DNA is stabilized mainly by __________.
ionic bonds
ion-dipole bonds
covalent bonds
hydrogen bonds
Many plants have waxy coatings that reduce water loss because it is not water permeable. This coating is made up of
Carbohydrates
Protein
Lipid
Nucleic Acid
Which of the following most likely describes the eating habits that led to Mr. Bong Ga’s high risk of heart disease?
A diet with many saturated triglycerides and animal derived foods.
A diet with many unsaturated triglycerides and plant derived foods.
A diet with many complex carbs and plant derived foods.
A diet with many simple carbs and plant derived foods.
Which of the following represents the correct ranking of terms from smallest to largest?
Macromolecule →polymer → monomer→ carbon atom
Polymer→ monomer→ macromolecule → carbon atom
Carbon atom → macromolecule → polymer → monomer
Carbon atom → monomer → polymer → macromolecule
Which characteristic of carbon atoms most contributes to its importance to critical biological molecules?
The ability to bond with eight (8) other atoms
the ability to form hydrogen, carbon and covalent bonds
the ability to choose the type of molecule to produce
the ability to form 4 (four) bonds producing a 3D structure
Cellulose is the most abundant organic chemical on Earth. It consists of long chains of glucose. Cellulose belongs to
Monosaccharide
Disaccharide
Oligosaccharide
Polysaccharide
Which of the following best describes the form and function of one type of nucleic acid?
RNA, double helix, functions as an archive of genetic information
RNA, single helix, functions as an archive of genetic information
DNA, single helix, functions as an archive of genetic information
DNA, double helix, functions as an archive of genetic information
Identify the biomolecule in the image below and its components by selecting the correct list from the choices below:
RNA; #1 sugar, #2 phosphate, #3 bases
DNA; #1 sugar, #2 phosphate, #3 bases
RNA; #1 sugar, #2 bases, #3 phosphate
DNA; #1 phosphate, #2 sugar, #3 bases
The figure shows the cyclic form of glucose. Which element is NOT found on glucose?
Carbon
Oxygen
Sulfur
Hydrogen
Which biomolecule is found in greatest concentration in the food label of this juice drink?
Fats
Proteins
Carbohydrates
Vitamins
Among the listed components, which among the following is considered as inorganic and why?
Fats, because it has 0% concentration in the fruit juice.
Proteins, because you cannot see them in fruit juices.
Sugar, because they are found in great amounts.
Sodium, since it has no carbon atom in it.
Which of the following pairs correctly connects the function of a protein to its class?
cytoskeleton is structural; antibodies are defense
speed regulation is enzymes; muscles are hormonal
hair is storage; hemoglobin is transport
hormones are signaling; membrane proteins are enzymes
Which of the following lists correctly identifies the characteristic structures within an amino acid?
ammonia - carbon group - side chain
NH₃ - COOH - side chain
NO₂ - COH - side chain
N₂OH- COOH - side chain
There are 20 standard amino acids. How do they differ from each other?
the amine groups can vary
the carboxyl groups can vary
the carbons can vary
the side chains can vary
BONUS QUESTION: In the novel, Noli Me Tangere, he was revealed as the father of Maria Clara.
(a)
