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WorksheetsBiology- Cell Unit
Total questions: 44
Worksheet time: 22mins
Which list describes the organization within multicellular organisms from least complex to most complex?
Proteins, cells, organelles, organisms
Proteins, organelles, cells, organisms
Cells, organelles, proteins, organisms
Organelles, cells, proteins, organisms
The phrase “are not living cells but have the ability to reproduce within living cells” can be used to describe
algae
yeasts
bacteria
viruses
Which of these statements about enzymes is TRUE?
Enzymes are lipid molecules.
Enzymes are carbohydrate molecules.
Enzymes change chemically after each biochemical reaction.
Enzymes are specific for each biochemical reaction.
A skin cell and a muscle cell from the same person have the same
Proteins
DNA
Number of mitochondria
Shape and structures
Which of the following is NOT a class of proteins?
Transport
Enzyme
Indicator
Storage
What statement about what happens during mitosis is TRUE?
2 genetically identical daughter cells are formed
2 genetically non-identical daughter cells are formed
4 genetically identical daughter cells are formed
4 genetically non-identical daughter cells are formed
What is a function of a neuron?
It carries oxygen to other cells
It removes foreign particles from the bloodstream
It secretes digestive enzymes
It sends and receives signals from the internal and external environments
The diffusion of water is also called
Endocytosis
Osmosis
Exocytosis
Active transport
Cyanide is a poison that prevents the cell from using oxygen. Which organelle is directly affected?
Endoplasmic reticulum (ER)
Golgi apparatus
Mitochondria
Nucleus
Which plant organelle is used to make sugars?
Vacuole
Cell wall
Chloroplast
Mitochondrion
The cell membrane consists mainly of
Water and carbon dioxide
Phospholipids and proteins
Cellulose and lactose
Carbohydrates and sugars
What is the function of DNA? It
forms part of the nuclear membrane.
helps the nucleus recognize other cell organelles.
uses oxygen to break down sugars and release energy.
contains information to make proteins.
What is the function of a muscle cell?
Carry oxygen to other cells
Secrete digestive enzymes
Receive and send signals from the internal and external environment
Help the organism move
The exchange of oxygen and carbon dioxide between the body and the air occurs in the cells of the alveoli in the lungs. What part of the cell is the location of this exchange?
Cell membrane
Nucleus
Cell wall
Ribosomes
The fundamental unit of life is the
Organism
Cell
Protein
Tissue
Which of the following is (are) found in plant cells but not in animal cells?
Cytoplasm
Mitochondria
Cell wall
Ribosomes
Which plant organelle stores sugars and water?
vacuole
cell wall
chloroplast
mitochondrion
Viruses
Are killed by antibiotics
Are the smallest known cell
Infect only animals and humans
Are particles of protein and nucleic acid
What is the major function of the cell membrane?
To control what substances move in and out
To synthesize lipids and fatty acids
To control production of DNA and RNA
To move chromosomes during cell division
Which structure in the cell contains most of the cell’s genetic information?
Rough endoplasmic reticulum
Mitochondrion
Nucleus
Cytoplasm
DNA is important for cellular activities because DNA
Codes for the production of proteins
Increases the solubility of nutrients
Is the major component of cytoplasm
Is a structural component of cell membranes
DNA replication occurs during the ____ phase of the cell cycle.
G1
S
G2
M
Which of the following is NOT a protein?
A cell membrane transporter
An enzyme
Glucose
Hemoglobin
Which function is associated with macrophages in the blood?
Forming blood clots
Transporting dissolved nutrients
Carrying oxygen
Engulfing bacteria
What is the main function of red blood cells?
To fight disease in the body
To carry oxygen to all parts of the body
To remove glucose from the blood
To produce materials that cause the blood to clot
A student examines a cell under the microscope and observes that the cell contains many mitochondria. This is evidence that the cell uses lots of
Proteins
DNA
Lipids
Energy
Which of the following shows a path from where insulin is made to where it is released from the cell?
rough ER---> vesicles---> mitochondria---> plasma membrane
rough ER---> Golgi apparatus---> vesicles---> plasma membrane
Golgi apparatus---> vesicles---> rough ER---> plasma membrane
Golgi apparatus---> mitochondria---> plasma membrane---> vesicles
Which of the following does NOT change during cell differentiation?
The cell’s physical characteristics
The cell’s response to environmental signals
The DNA sequence in the cell
The composition of proteins within the cell
The uncontrolled division of certain body cells, which then invade the surrounding tissues and interfere with the normal functioning of the body, is known as
cancer
cytokinesis
mitosis
cleavage
A scientist is trying to discover a new treatment to stop cancer cells from dividing. In the cancer cells, which of these processes will stop if the treatment is successful?
Mitosis
Exocytosis
Active transport
Passive transport
Diffusion is best described as
The change of an enzyme’s shape during biochemical reactions.
The movement of molecules from an area of high concentration to an area of low concentration.
The process by which the cell membrane surrounds and engulfs a food particle from the environment.
The process by which a membrane receptor binds to a signal molecule.
What is the major function of a cell’s selectively permeable membrane?
To regulate energy production in the cell
To keep the cell’s shape
To maintain a free flow of molecules
To control materials entering and leaving the cell
What would happen to a saltwater protozoan if it is removed from its normal habitat and placed into a freshwater pool?
Loss of water through diffusion
Loss of water through active transport
Gain of water through osmosis
Gain of water through protein channels
What is the first cell function to be affected if the Golgi apparatus is damaged?
The cell will not be able to export proteins.
The cell will not be able to store water.
The cell will not be able to produce energy.
The cell will not be able to move or divide.
Which structure is not present in animal cells?
Cell membrane
Nucleus
Chloroplast
Cytoplasm
Which statement best describes a key role of lipids (phospholipids) within a cell?
They cause DNA to replicate
They move RNA into the cytoplasm
They catalyze chemical reactions within the cell
They are the main structural component of membranes
Researchers have discovered a toxin that stops cells from releasing stored energy. Cells exposed to this toxin cannot carry out many of their normal processes. When cells are exposed to this toxin, which of these processes is least affected?
cell division
osmosis
aerobic respiration
active transport
Eukaryotes are different from prokaryotes (bacteria), because eukaryotes
Have a nucleus
Have ribosomes
Reproduce by sexual reproduction
Reproduce by asexual reproduction
Which of the following arguments could be made by someone who claims that viruses are not living organisms?
Viruses cannot reproduce outside a living organism.
Viruses do not contain genetic material.
Viruses do not contain proteins.
Viruses do not contain organic compounds.
The ability of the human body to regulate the level of blood glucose is an example of:
Osmosis
Homeostasis
Binary fission
Aerobic respiration
A cell with 5% salt concentration is placed in a beaker with a 1% salt concentration. What will happen to the cell over time?
The cell with gain water and expand.
The cell will lose water and shrink.
The cell will both gain and lose equal amounts of water; thus it will remain the same size.
The cell will neither gain nor lose water.
Stem cells are best described as ____
cells that can produce a variety of types of specialized cells
cells that are likely to cause disease
cells in uncontrolled cell division
cells that destroy foreign cells in the immune system
What type of human cell does HIV target?
Red blood cell
B cell
T cell
Skin cell
What type of microbe causes malaria?
Plasmodium
Paramecium
Amoeba
Elodea
