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WorksheetsBiomolecules (10-Faith)
Total questions: 15
Worksheet time: 19mins
Nutritional chemists have found that burning 1 gram of fat releases twice the amount of heat energy as burning 1 gram of starch. Based on this information, which type of biomolecule would cause a person to gain more weight?
carbohydrate
fat
proteins
nucleic acid
Lipids are insoluble in water because lipid molecules are __________?
hydrophilic
neutral
hydrophobic
Zwitter ions
Which of the following groups are all classified as polysaccharide?
sucrose, glucose and fructose
maltose, lactose and fructose
glycogen, sucrose and maltose
glycogen, cellulose and starch
Amino acids are the building blocks of which group of biomolecules?
proteins
carbohydrates
lipids
nucleic acid
Which of the following is the major function of carbohydrates?
structural framework
storage
energy production
In which organs are glycogen stored in the body?
liver and spleen
liver and muscle
liver and bile
liver and adipose tissue
When digesting a complex carbohydrate, water is added and simple sugar is obtained through which process?
Photosynthesis
Condensation
Hydrolysis
Dehydration
What kind of molecule is represented by the structure below?
CH3CH2CH2CH2CH=CHCH2CH2CH2CH2CH2CH2CH2CH2COOH
monosaccharide
unsaturated fatty acid
saturated fatty acid
phospholipid
Disaccharide is formed by combining two monosaccharides. What do you call the process of combining 2 or more simple sugars?
Hydrolysis
Peptide bonding
Condensation
Saccharide bonding
Which of the following elements is NOT present in carbohydrates?
carbon
oxygen
nitrogen
hydrogen
Which of the following biomolecules contain only the elements carbon, hydrogen and oxygen?
carbohydrates and lipids
lipids and proteins
proteins and nucleic acids
nucleic acids and carbohydrates
Which of the following sugars are the components of lactose?
glucose and galactose
fructose and galactose
glucose and fructose
glucose and glucose
what type of chemical bond is illustrated by the arrows?
sugar-sugar bond
glycerol-fatty acid bond
peptide bond
hydrogen bond
Which of the following sugars are the components of maltose?
glucose and galactose
fructose and galactose
glucose and fructose
glucose and glucose
The sugar in RNA is _________, the sugar in DNA is __________.
deoxyribose, ribose
ribose, deoxyribose
ribose, phosphate
ribose, uracil
