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WorksheetsCell Structure and Function Study Guide Ch. 3
Total questions: 110
Worksheet time: 1hrs 18mins
The jelly like material found between the nucleus and the plasma membrane of a cell is called the____________.
smooth endoplasmic reticulum
ribosomes
organelles
cytoplasm
The tiny structures within the cytoplasm that perform jobs just as organs do in the larger body are called_________.
smooth endoplasmic reticulum
ribosomes
organelles
cytoplasm
The __________consists of RNA and protein, and function as factories where proteins are assembled.
smooth endoplasmic reticulum
ribosomes
organelles
cytoplasm
The main site of fatty acid and phospholipid metabolism in the cell is the ____________________.
smooth endoplasmic reticulum
ribosomes
organelles
cytoplasm
The______________functions principally as a protein processing and packaging plant.
golgi complex
mitochondria
cytoskeleton
nuclear membrane (envelope)
The tiny power plants of a cell in which most of the reactions of cellular respiration take place are the_________.
golgi complex
mitochondria
cytoskeleton
nuclear membrane (envelope)
The __________is the internal skeletal framework of the cell.
golgi complex
mitochondria
cytoskeleton
nuclear membrane (envelope)
The nucleus is enclosed in a double membrane called the__________.
golgi complex
mitochondria
cytoskeleton
nuclear membrane (envelope)
A specialized region in the nucleus where RNA components of ribosomes are assembled and some protein components are added as well is the__________.
ribosomes
cytoplasm
nucleuolus
lysosomes
_________is the net movement of a substance from a region of high concentration to one of lower concentration.
diffusion
exocytosis
endocytosis
meiosis
The cell ingests large solid particles such as bacteria and cell debris in a process called________.
diffusion
exocytosis
endocytosis
meiosis
Cell drinking is called___________.
diffusion
exocytosis
meiosis
pinocytosis
Cell eating is called___________.
diffusion
phagocytosis
pinocytosis
meiosis
The process by which sex cells halve their number of chromosomes is_______.
mitosis
meiosis
diffusion
lysosomes
________release their enzymes into the cytoplasm of a dying cell where they break down the cell itself.
ribosomes
mitochondria
lysosome
nucleolus
Human sperm cells have__________which serve in locomotion.
flagella
cytoplasm
ribosomes
cytoskeleton
_________are multinucleated while most cells of the body have only one nucleus.
skeletal muscle cells
red blood cells
nerve cells
Ribosomes are located along the outer walls of the
rough endoplasmic reticulum
nuclear membrane
smooth endoplasmic reticulum
mitochondria
Cytoplasmic vesicles of digestive enzymes are
mitochondria
lysosomes
endoplasmic reticuli
cilia
The organelle containing the enzyme catalase which splits hydrogen peroxide rendering it harmless is
peroxisomes
mitochondria
cristae
golgi complex
The folds of the inner mitochondrial membrane are called
microtubules
cristae
peroxisomes
matrix
The tiny rodlike filaments with contractile properties are
microfilaments
microtubules
intermediate filaments
flagella
The organelles that function in cell division and appear to play a role in microtubule assembly are the
microfilaments
centrosomes
lysosomes
centrioles
The arrangement of microtubules that are characteristic of cilia and flagella found in humans and other animals is
9+2
1+3
11
1+9
The granular materials scattered throughout the nucleoplasm in a cell not in the process of division is called
chromosomes
ribosomes
chromatin
cristae
The mechanism by which a permease in the plasma membrane temporarily combines with a substance and accelerates its movement through the membrane is
diffusion
facilitated diffusion
active transport
osmosis
The process by which water molecules pass through a selectively permeable membrane from a higher concentration of water molecules to a lesser one is
osmosis
diffusion
facilitated diffusion
active transport
A solution that has a greater solute concentration than that within the cytoplasm is
hypertonic
isotonic
hypotonic
depolarized
The active transport mechanism which pumps sodium out of the cell and pumps potassium ions into the cell at the same time is the
permease diffusion process
filtration pump
sodium potassium pump
proton pump
Cytoplasmic division is called
mitosis
meiosis
endocytosis
cytokinesis
Chromosomes can be seen more clearly in this stage of mitosis than in any other stage
prophase
metaphase
anaphase
telophase
The period between mitosis is
prophase
metaphase
anaphase
telophase
During prophase, sister chromatids are tightly associated in the vicinity of their
chromosomes
mitotic spindles
centromeres
centrioles
The subphase of interphase in which biosynthesis occurs is
G1
S
G2
X
What is the correct sequence of events?
- 1 chromatids separate and one set of chromosomes moves toward each pole.
- 2 doubling of chromatin daughter cells are formed
- 3 spindle fibers attach to centromeres,
- 4 chromosomes line up along equatorial plane
- 5 cell carries out its normal activities chromosomes continue to shorten and thicken,
- 6 spindle forms nuclear membrane and nucleolus disappear,
- 7 chromosomes form nuclei reform,
- 8 physical cell division occurs
1, 2, 3, 4, 5, 6, 7, 8
6, 3, 2, 4, 7, 8, 1, 5
5, 2, 7, 6, 4, 1, 8, 3
8, 7, 6, 5, 4, 3, 2, 1
Diffusion: Molecules move from ____ to ______
Inside, Outside
Higher Concentration, Lower Concentration
Outside the Cell, Inside the Cell
Lower Concentration, Higher Concentration
Cellular Resp. uses oxygen to process __________.
Oxygen
Carbon Dioxide
Water
Glucose
ATP stands for…...
Adenosine Triphosphate
deoxyribonucleic acid
A top pony
All Three Pterodactyls
Look at the picture above is it endocytosis or exocytosis
Endocytosis
Exocytosis
Inside
Outside
What Process do cells use to take in Large Particles?
endocytosis
exocytosis
diffusion
osmosis
Concentration of substances is the same.
Cells spend most of their lives in which phase?
Interphase
Prophase
Telophase
Metaphase
Cells of organisms must replicate for?
Growth
Replacement of dying cells
Repair of damaged cells
All of the above
What is the correct order of the phases of mitosis?
Metaphase, Anaphase, Prophase, Telophase,
Pelophase, Motophase, Anaphase, Trophase
Prophase, Metaphase, Anaphase, Telophase
Telophase, Anaphase, Prophase, Metaphase
Why do cells go through mitosis?
to make food from sunlight
to get air into the cells
to create proteins
to reproduce, grow, and repair/replace cells
How many chromosomes does a human somatic (body) cell have?
46
23
42
26
How many chromosomes does a human egg or sperm (gamete) cell have?
23
46
42
26
Daughter cells created by meiosis II have
half the parents DNA
exact copy of the parent's DNA
twice the parent's DNA
created their own DNA from scratch
What is apoptosis?
Programmed cell death (cell suicide) to prevent the spread of mutated/cancerous cells.
A type of cell division done by most of your body cells.
The final separation into two daughter cells and completion of the cell cycle.
Sperm and egg cells.
What is "crossing over"?
The exchange of genes between chromosomes during meiosis that results in genetic diversity.
Programmed cell death (cell suicide) to prevent the spread of mutated/cancerous cells.
A type of cell division that creates gametes (sperm and egg cells).
A type of cell division that results in two daughter cells each having the same number of chromosomes as the parent cell.
Is interphase a part of Mitosis?
Yes, it happens after prophase
No, it happens before mitosis
What is a difference between mitosis and meiosis? Mark ALL that apply!
Mitosis occurs in the cytoplasm and Meiosis occurs in the nucleus.
Mitosis results in diploid (2n) daughter cells and Meiosis results in haploid (n) daughter cells.
Mitosis results in 2 daughter cells and Meiosis results in 4 daughter cells.
Mitosis makes somatic (body) cells and Meiosis makes gametes (egg and sperm cells).
Structure (a) is a ____.
replicated chromosome
sister chromatid
centromere
homologous pair of chromosomes
Structure (c) is a ____.
replicated chromosome
sister chromatid
centromere
homologous pair of chromosomes
Structure (b) is a ____.
replicated chromosome
sister chromatid
centromere
homologous pair of chromosomes
Which macromolecule is made up of amino acids?
carbohydrate
lipid
nucleic acid
protein
mRNA is read into amino acids during what process?
transcription
transfer
translation
transition
What is the purpose of a codon?
It is a code for an amino acid.
It is a code for a nucleic acid.
It is a code for a protein.
It is a code for a lipid.
Starts with 1 strand of DNA and creates 2 new identical DNA strand.
replication
transcription
translation
Uses the enzyme helicase to break hydrogen bonds between the 2 strands of DNA.
replication
transcription
translation
Uses the enzyme DNA polymerase to deliver complementary DNA nucleotides.
replication
transcription
translation
