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WorksheetsSecond Six Weeks Test Review
Total questions: 40
Worksheet time: 39mins
The monomers of carbohydrates are
trisaccharides
fatty acids
nucleic acids
monosaccharides
Starch is a _______________. Choose all that apply.
polysaccharide
carbohydrate
lipid
chitin
When the concentration of molecules on both sides of a membrane is the same, or istononic, the molecules will
move across the membrane to the inside of the cell.
stop moving across the membrane.
move across the membrane in both directions equally.
move across the membrane to the outside of the cell.
Which type of transport requires energy from the cell?
active
passive
osmosis
diffusion
A virus' protein coat is called
capsid
envelope
exoskeleton
poly coat
A protein is synthesized from many
amino acids
fatty acids
nucleic acids
monosaccharides
Large food molecules need to be broken down into smaller molecules that can be absorbed and transported. What is the role of enzymes in this digestive process?
They produce glucose that provides energy.
They are converted into carbohydrates.
They speed up the breakdown process.
They remove the undigested food molecules.
What holds amino acids together within a protein or polypeptide chain?
hydrogen bonds
ionic bonds
double covalent bonds
peptide bonds
What two biomolecules provide energy for the cell
lipids
carbohydrates
nucleic acids
proteins
The diffusion of water across a selectively permeable membrane is called
osmosis
facilitated diffusion
turgor pressure
active transport
True or False: Molecules constantly move and collide with each other.
True
False
sources of stored energy
carbohydrates
nucleic acids
lipids
proteins
In dehydration synthesis, the atoms that make up a water molecule come from
both reactants
the products
the enzyme
transpiration
An enzyme becomes _______________ when it loses its three-dimensional structure and becomes nonfunctional it is
denatured
hydrolyzed
synthesized
lysed
Monosaccharide, glucose, and cellulose all belong to what category
carbohydrates
lipids
proteins
nucleic acids
Unlike lytic viruses, lysogenic viruses do NOT
enter the lytic cycle
lyse the host cell immediately
infect host cells
inject DNA or RNA into the host cell
The three particles that make up atoms are _______, _______, and _______.
protons
neutrons
electrons
isotopes
Which organelle converts the chemical energy stored in food into ATP for the cell to use?
chloroplast
ER
mitochondria
lysosomes
True or False: Enzymes are specific to a substrate, therefore form meets function, or shape determines function.
True
False
Both proteins and carbohydrates are
composed of amino acids
folded into specific shapes
polymers
made of many monosaccharides
What type of biomolecule is represented?
carbohydrate
lipid
protein
nucleic acids
What type of biomolecule is represented?
carbohydrate
lipid
protein
nucleic acids
What is the monosaccharide shown?
glucose
lactose
sucrose
triglyceride
__________ are catalyst.
Carbohydrates
Lipids
Proteins
Nucleic Acids
Two atoms of hydrogen and one atom of oxygen compose
water
oxygen
glucose
an enzyme
When a peptide bond is formed and water is released a _____________ is formed.
protein
carbohydrate
lipid
nucleic acid
Amino acids bind by peptide bonds to form ______________.
proteins
carbohydrates
lipids
nucleic acids
Bacteriophages infect
bacterial cells
other viruses
fungi cells
plant cell
Which kingdom contains hetertrophs with cell wall of chitin?
plantae
animalia
fungi
protista
During what viral cycle is the host cell destroyed?
lytic
lysogenic
mitosis
DNA replication
When monosaccharides are bound to form polysaccharides such as, starch, chitin, and cellulose, _____________________ occurs.
hydrolysis
dehydration synthesis
peptide bonding
regulation
Water is the universal __________?
solvent
solute
The smallest unit of life is a(n) _________.
cell
organism
community
atom
A red blood cell placed in pure water will?
shrink
swell
stay the same
“The bird has brown spots on its wings” is an example of an ___________________.
observation
hypothesis
inference
True or False: Adhesion is responsible for the surface of the water in a graduated cylinder that is slightly curved at the sides.
True
False
True or False: Once equilibrium is reached in a cell, there is NO further change in concentration on either side of the membrane.
True
False
What nucleic acid is shown?
DNA
RNA
enzyme
monosaccharide
What nucleic acid is shown?
DNA
RNA
enzyme
monosaccharide
What biomolecule is responsible for encoding and expressing genes?
carbohydrate
lipid
protein
nucleic acid
