WorksheetsCELL BIO
Total questions: 80
Worksheet time: 54mins
All cells contain which of the following:
Nucleus
Mitochondria
Cell membrane
Endoplasmic reticulum (ER)
Plant cell have all of the following except
Cell wall
Nucleus
Chloroplast
Centrioles
Which of the following is the function of the cytoskeleton?
Helps a cell keep its shape
Contains DNA
Surrounds the cell
Helps make proteins
Prokaryotes lack
DNA or genetic material
Chloroplast
Mitochondria
Ribosome
Which organelle is the “packing center” for the cell?
ER
Nucleus
Lysosome
Golgi apparatus
Which of the following is not part of cell theory?
All living things are made of cells
Cells come from existing cells
Cells are the basic unit of structure and function in all living things
All cells contain the same organelles
What is the small dark structure in the nucleus that produce ribosomes?
Rough ER
Nucleus
Smooth ER
Chromatin
These are the folds found inside the mitochondria that give more surface area for energy-
releasing processes to take place
Chromosomes
Cilia
Cristae
Cytoskeleton
The jelly-like substance found in all cells
Centrioles
Cytoskeleton
Chromosomes
Cytoplasm
What has the rough ER attached to it?
Nucleous
Golgi apparatus
Ribosomes
Chromosomes
The alpha helix and the beta sheets are found in many different protein because they are
formed by
Hydrogen bonding between the amino acids side chains most commonly found in
proteins
Noncovalent interactions between amino acid side chains and the polypeptide backbone
Ionic interactions between charged amino acid side chains
Hydrogen bonding between atoms of the polypeptide backbone
Hydrophobic interactions between many nonpolar amino acids
Câu 11.2 (ko thấy câu hỏi)
Have conserved amino acids sequences
Have conserved secondary structures
Have similar functions
Have conserved tertiary structure
All of the above
RNA in cells differ from DNA in that
It contains the base uracil, which preferentially pairs with cytosine
It is single stranded and cannot form base pairs
It is single stranded can fold up into a variety structures
The nucleotides are linked together in different ways
The sugar ribose contains fewer oxygen atoms than does deoxyribose
The bond in NaCl is _______?
Polar
Ionic
Covalent
Double
Nonpolar
What type of bond is (are) usually strongest?
Hydrogen
Ionic
Covalent
Hydrogen and covalent are equal
Ionic and covalent are equal
The three most common atoms in your body are ____?
Hydrogen, oxygen, and carbon
Carbon, hydrogen and nitrogen
Carbon, nitrogen, and oxygen
Nitrogen, hydrogen, and oxygen
Carbon, oxygen and sulfur
Which organic molecule are the most common in cells:
Carbohydrates
Salt and minerals
Proteins
Fats
Water
Which is not a monosaccharide?
Glucose
Fructose
Deoxyribose
Starch
Ribose
Protein may function as__________________?
Structural units
Enzymes
Storage molecules
Transport molecules
All of these
The organelle that is compared to a whip is a _____________?
Microfilament
Cilium
Microvillus
Flagellum
Microtubule
Arrange the following levels of the organization from least complex to most complex: cells,
organelles, tissues, organs, organisms, and organ systems
(a)
Structures found in a plant cell, but not an animal cell, include the following
Chloroplasts, a cell wall, and a large vacuole
Chloroplasts, a cell wall, and mitochondria
Chloroplasts, centrioles, and Golgi apparatus
Centrioles, a cell membrane, a nucleus
Centrioles, mitochondria, and a nucleus
The movement of water from an area of higher concentration to an area of lower
concentration is known as:
Diffusion
Osmosis
Active transport
Hydrolysis
Phagocytosis
In man, the number of pair of chromosomes are:
8
10
46
23
Chromosome tips have unusual DNA structure. These are called as
Nucleolar organizers
Telomeres
Centromeres
Satellites
What kingdoms are made up of prokaryotic cells
Bacteria and Archaea
Protists and Plants
Bacteria and Fungi
Animals and Plants
Prokaryotic cells do not have a nucleus. What do they have in its place?
Nucleolus
Nucleoid region
Deoxyribonucleic acid
Chromatin
Nuclear envelope
Which is the smallest unit of carbohydrates
(a)
Which is the smallest unit of protein?
(a)
Which is the smallest unit of nucleic acid?
(a)
Which is the smallest unit of lipids?
(a)
A DNA fragment has in total 3000 bases and 3600 hydrogen bonds. Calculate the
number of each base A, T, C, G? (Clarify your solution)
Chromosomes are made of ___ and ___
(a)
A picture of a person’s chromosomes is called a
(a)
Which type of cell does not have a nucleus?
(a)
Differentiate between: Osmosis and Diffusion
Composed of carbohydrates and protein?
(a)
Which of the following is not part of M phase?
Prophase
Anaphase
Cytokinesis
Synthesis
All of the following are stages of interphase except ______.
G1
S
G2
M
Some cells live their entire life without going through mitosis. These cells are said to be in
______.
G0
Purgatory
Flux
Stem
Which of the following is a characteristic of G1 phase?
Cell growth and normal function
Cell growth and preparation for mitosis
Nuclear membrane reforms
DNA is replicated
Which of the following is a characteristic of G2 phase?
Cell growth and normal function
Cell growth and preparation for mitosis
Nuclear membrane reforms
DNA is replicated
Which of the following is a characteristic of S phase?
Cell growth and normal function
Cell growth and preparation for mitosis
Nuclear membrane reforms
DNA is replicated
Which of the following is a characteristic of telophase?
Cell growth and normal function
Cell growth and preparation for mitosis
Nuclear membrane reforms
DNA is replicated
Which of the following is characteristic of cytokinesis?
Nuclear membrane breaks down
Chromosomes line up in the middle of the cell
Sister chromatids are pulled to opposite sides of the cell
The cytoplasm splits
What phases make up the cell cycle?
Gap 1, Synthesis, Meiosis, Calvin Phase
Gap 1, Synthesis, Gap 2, Mitotic Phase
Gap 1, Gap 2, Mitotic Phase, Cell Signaling Pathway
Mitotic Phase, Synthesis, Growth 1, Growth
What is the role of cyclins and CDKs in the cell cycle?
Cyclins activate cyclin-dependent kinases that form the protein kinase during G2
Cyclins are a regulatory protein while CDKs are protein kinases that are active only when
attached to particular cyclin that regulate transition out of gap phases
Cyclins are named for the "roundness" of the cell cycle and CDKs are the proteins that
promote this "roundness"
Cyclins and CDKs do not have a role in the cell cycle
What is the purpose of G0?
Cell grows and prepares for division, checks for mistakes in DNA
Cell membrane divides in half to complete the cycle
Cell rests and does not need to divide
DNA is replicated (synthesized)
Stop the cell cycle if DNA damage is detected:
CDK1 and cyclin
P53
APC/C
Steroids, a biological active organic compound, are derived from_______
Hormones
Chemicals
Cholesterols
Carbohydrates
The basic subunit that forms a microtubule is the protein
Tubulin
Kinetin
Albumin
Actin
Microtubules are cut by
Kinetin
Ketamine
Katanin
Karatonine
The communication between macrophages and T lymphocytes is one example of
No distance communication
Short distance of communication
Long distance of communication
A or B are correct
Diameter of microtubule
25nm
52nm
8nm
8-12nm
What is correct statement about internal receptors?
Bind to ligands that do not cross the cell membrane
Can be response by active a protein like G protein-coupled receptor
Found in the cytoplasm of the cell
All of the above
The other way to mention long distance communication:
Endocrine
Paracrine
Synaptic
Autocrine signaling
Contact-dependent
This is an active cell death process:
Necrosis
Lysis
Apoptosis
Senescence
The immortality exhibited by the cancer cells is due to presence of_________.
Telomerase
Nuclease
Kinase
Protease
Normal cells can be converted to cancer cells by treatment with _____
Carcinogenic compounds
Endonucleases
Exonucleases
Kinases
Which cells cannot be killed by apoptosis?
Immune cells
Cells with DNA damage
Cancer cells
Normal cells
Migration of cancerous cells from the site of origin to other parts of body forming tumors
is called:
(a)
The protein coat of virus that enclose the genetic material is:
(a)
Virus is made up of ___ and ___
(a)
Basic unit of inheritance (hereditary) is the (a)
What's the order that the three stages of cell signaling go in?
1. Signal transduction 2. Cellular response 3. Signal reception
1. Cellular response 2. Signal transduction 3. Signal reception
1. Cellular response 2. Signal reception 3. Signal transduction
1. Signal reception 2. Signal transduction 3. Cellular response
When the releasing and receiving cells are local, or near each other, this is called
___ signaling.
Transduction
Endocrine
Reception
Paracrine
Protects the cell; regulates what substances enter and leave the cell
Nucleus
Nucleolus
Cell membrane
Ribosomes
Lysosome
Sac within the cytoplasm that is full of fluid; plants have one large one; stores food, water,
etc.
Vacuole
Cell wall
Cell membrane
Nucleolus
Chloroplasts
Small organelles that contain chemicals (enzymes) that break down food; garbage disposal
unit of cell
Mitochondria
Cell wall
Cytoplasm
Vacuole
Lysosome
Where ribosomes are made; part of the nucleus (in the nucleus)
Cell wall
Cell membrane
Nucleolus
Nucleus
Gives the cell a rigid, box-like shape; outside of the cell membrane; in plants, made of
cellulose
Cell wall
Chromatin
Cytoplasm
Lysosome
Cell membrane
Photosynthesis takes place here; captures energy in sunlight and uses it to produce food
Nucleus
Nucleolus
Mitochondria
Vacuole
Chloroplasts
Produced in the nucleolus; place where proteins are made; composed primarily of RNA
Vacuole
Ribosomes
Endoplasmic reticulum
Chromatin
Cytoplasm
Directs all of the cell’s activities, including reproduction; contains nucleic acids
Nucleus
Cell membrane
Endoplasmic reticulum
Chromatin
Mitochondria
Consists of a jelly-like substance that contains many organelles; region between the nucleus
and the cell membrane
Ribosomes
Nucleolus
Cytoplasm
Chloroplasts
Cell wall
A network of passageways that carries materials from one part of the cell to another
Cytoskeleton
Cell wall
Vacuole
Chromatin
Ribosomes
Cells’ power plants; rod-shaped; has a smooth outer membrane
Chloroplasts (more synthesis)
Lysosome
Cytoplasm
Ribosomes
Mitochondria
Which of the following is a proven stem cell treatment:
Used stem cells taken from bone marrow to help treat some cancers (such as leukemia)
Taken from bone marrow to help treat some blood diseases (such as sickle cell anemia)
Bone marrow to help treat some immune system diseases
There is no clear and convincing evidence
Oncogenes are the cancer causing genes in the cells but they do not express usually. This
is because the presence of:
Proto oncogenes
Tumor promoters
Tumor suppressor genes
Transposons or jumping genes
Compare:
- Eukaryotic cells and Prokaryotic cells
- Plant cells and Animal cells
- Apoptosis and Necrosis
