WorksheetsProteins
Total questions: 18
Worksheet time: 18mins
Which describes the functions of proteins in living things?
structural, transport, signaling, catalysts, etc.
stores and transmits genetic information
stores energy and makes up cell membranes
quick energy and forming cell structure
Proteins are composed of
carbon
hydrogen
nitrogen
phosphorus
Proteins are polymers of __________.
amino acids
fatty acids
carboxylic acids
nucleic acids
All proteins
have a unique structure that determines their unique function.
are exactly the same in function but different in structure.
are exactly the same in structure but different in function.
are enzymes.
The order of amino acids determines the ______ and ultimately the function of a protein.
shape
color
flavor
texture
Enzymes are ________ that act as ________.
proteins, catalysts
amino acids, proteins
proteins, amino acids
catalysts, carbohydrates
What is the function of enzymes in living things?
increase the rate of chemical reactions
form the basis of the plasma membrane
main energy molecule for a cell
insulation and protection
How does an enzyme influence a biological reaction?
It increases the energy difference between reactants and products.
It decreases the activation energy necessary to begin the chemical reaction.
It increases the kinetic energy of reactants, thereby increasing their tendency to collide.
It decreases the kinetic energy of reactants, enabling them to move through a chemical change.
Enzymes are composed of...
Protein
Lipids
Carbohydrates
Starch
Protein is found in the following food:
Meat, poultry, and fish
Pasta
Leafy Greens
Any of the above
The monomers of a protein are __________
monosaccharides
amino acids
fatty acids
nucleotides
Which of the following is NOT a function of proteins?
stored energy
create muscle
speed up reactions as enzymes
fights infection in the form of antibodies
Red meat, beans, dairy, and fish contain large amounts of which biological macromolecule?
carbohydrates
lipids
protein
nucleic acids
What is the shape of a protein?
chains
folded chains
rings
honeycomb
which are proteins?
antibodies
collagen
hair
muscles
all options
