WorksheetsBiomolecules Unit Test Review
Total questions: 16
Worksheet time: 8mins
Chains of amino acids are
proteins
nucleic acids
carbohydrates
lipids
A ___________________ is an organic molecule used as the body's primary source of energy.
protein
nucleic acid
carbohydrate
lipid
Which biomolecule builds muscle tissue?
protein
nucleic acid
carbohydrate
lipid
What is the difference between a plant cell and an animal cell?
Plant cell has a cell membrane and chloroplasts
planet cell has a cell wall and chloroplasts
animal cell has a cell membrane and a cell wall
animal cell has a cell wall and chloroplasts
Mechanical digestion
is a physical process
is not a physical process
does not break down food
results in a new substance
Chemical digestion
results in the formation of a new substance
does not break down food
is a physicial process
does not result in a new substance does not result in a new substance
A group of tissues working together form
a cell
an organism
an organ system
an organ
Eliminating waste is the primary function of the
Excretory System
Digestive System
Respiratory System
Integumentary system
Where does mechanical and chemical digestion take place?
mouth
stomach
small intesting
mouth and stomach
Water is removed from digested food in which organ of the digestive system?
mouth
stomach
small intestine
large intestine
Which biomolecule cushions vital organs, insulates the body and is a source of long-term energy?
lipids
carbohydrates
protein
nucleic acids
Which organ in the digestive system is responsible for most of the nutrient absortion in the digestive system?
esophagus
large intestine
small intestine
stomach
Carbohydrates are
chains of amino acids
a secondary source of energy
the primary source of energy
nucleic acids
Which of the following elements is not frequently found in organic compounds?
Carbon
Hydrogen
Oxygen
Chlorine
What type of energy makes a battery useful?
electrical
magnetic
chemical
nuclear
Which of the following is an inorganic compound?
C6H12O6
CaCO3
CH4
CH3COOH
