
GenBio1.2: Accessory Cell Structures
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It provides structural support for strength and rigidity and prevents osmotic lysis.
It is the outermost layer in plant cell walls that attaches adjacent cells with pectin.
It is a layer in plant cell walls that is flexible for growing.
It is a thick and waterproof layer in plant cell walls that is only found on grown cells . It has lignin
What are Eubacterial cell walls made up of which makes them sensitive to lysozyme?
Archaeal bacterial cell walls are made up of pseudopeptidoglycan which makes them sensitive to lysozyme
sugar coat. Made up of oligosaccharides. It is thick, sticky but weaker
They are the cells that eat other cells. aka cell eating cells
Type of glycocalyx/sugar coat that is found in animal cells. unorganized and identifier of what cells are healthy or not
Type of glycocalyx/sugar coat that is found in bacterial cells. unorganized and helps escape and deceive phagocytes by detaching itself from the cell.
Type of glycocalyx/sugar coat that is found in bacterial cells. organized and hard to remove. helps escape from phagocytes by increasing its diameter and from detection by hiding peripheral proteins
literally means hair. only on prokaryotes. it is composed of proteins called pilins. Disadvantages: more accessible, gathers attention, and needs constant replacement
Protein that the pilus is composed of.
type of pilus for attaching and sticking. It has additional proteins adhesins and lectins
type of pilus that draws another cell closer for horizontal gene transfer
type of pilus for motility or movement
literally means whip. It is a long tail like structure for locomotion for liquid environments.
Pilus can be disadvantageous as it makes the cell accessible for bacteriophages by serving as attachment points
Pili/fimbriae are robust and does not need constant replacement
a cell is limited only to one flagellum
literally means eyelash. only in eukaryotes. it has same composition in eukaryotic flagella but shorter.
type of cilia that is in almost nearly every animal cell. not for movement but has highly specialized sensory structure. 9+0 axoneme
type of cilia for movement of cell or its surface materials. exists in large number that beats in coordination. 9+2 axoneme
protrusion that exists only in multicellular organisms. interconnection between the adjacent cells or cells to extracellular matrix
it is a type of junction that allows the sharing of chemicals. It has 2 types: Plasmodesmata and the Gap Junction.
it is a type of junction that prevents leakage. It has 2 types that differs in location
it is a type of junction that acts as a fastener, holding cells tightly together. it prevents mechanical stress and tension.
type of communicating junction that is found in plants
type of communicating junction that is found in animals
type of occluding junction that is located at the apex. apical
type of occluding junction that is located at the base. basal
type of anchoring junction that attaches cell to other adjacent cells rather than to a matrix
type of anchoring junction that attaches cell to a matrix rather than to other cells
these are the DNA not on chromosome but are scattered around the cytosol of the bacterial cells. aka extra chromosomal DNA that gives extra advantageous traits
ok ka paba
In addition to the DNA in the nucleus, DNA in plasmids are also an essential part required for cell survival
type of plasmid that is transferred during conjugation. it gives the bacterial cell the activity to create sex pili/fimbriae
type of plasmid that makes the cell drug/toxin resistant
type of plasmid that makes the cell capable of producing bacteriocins or proteins that kill other bacteria
These are the proteins that kill other bacteria. These are produced when the cell has Col plasmids
type of plasmid that makes the cell capable of digesting/decomposing unusual materials
type of plasmid that makes the cell pathogenic
stored materials/supply in cytosol of the cell that might be useful in the future
network of strands. structural framework of the cell that facilitates movement of cell and its structures.
thinnest type of cytoskeleton. serves as path of motor protein, myosin
type of cytoskeleton that maintains the shape, anchors cell structures and never used for motility
type of cytoskeleton that is organized by and comprises the centrosome. serves as path of motor protein, kinesins and dynein
it is the protein that goes through the microfilament of the cytoskeleton
its existence depends on the cytoskeleton. 9+3 appearance. It makes the centrosome when 2 of these together are arranged at a 90 degrees orientation. microtubule organizer of the cell. guides chromosomes during cell division
the smooth and rough endoplasmic reticulum are two separate parts
it is the nearest membrane-bound internal structure to the nucleus which it is directly connected to.
The Mitochondrion and the Plastid are the only internal membrane-bound structures that has double or more membranes enclosed
Part of the Endoplasmic Reticulum where the secretory proteins and new membranes are being produced. Origin of peroxisomes. has ribosomes scattered around its surface
Part of the Endoplasmic Reticulum that lacks ribosomes. where lipid production, carbohydrate metabolism, drug detoxification occur. It enlarges when overworked
it is where the secretory proteins from the rough ER are modified by adding a sugar coating through the process of Glycosylation. It has cis face which is the receiver and trans face which serves as exit of secretory proteins.
suicide bag of the cell made of digestive enzymes or acid hydrolases that digests biomolecules. it also serves as cleaning/recycling center
programmed/planned cell death that the lysosome and mitochondrion can execute
cell death by damage or an external factor
also known as cytosome. it is similar to the lysosome. VERY SMALL. has two types
type of microbody that breaks down things using oxygen which results to hydrogen peroxide.
peroxidase and catalase breaks down the hydrogen peroxide that the peroxisome produces
a type of peroxisome (which is a type of microbody) that converts fatty acids to carbohydrates. found in plants and fungi
storage container of the cell. it is very big in plant cells unlike in animal cells
type of vacuole mainly for water storage
type of vacuole that absorbs and expels excess water through contraction
powerhouse
how many membranes does the mitochondrion have?
from greek word plastikas that means formed/moulded. only found in plants and algae. It has 2 membranes but has 3 if photosynthetic
Plastids can have triple membranes if they are photosynthetic
a leukoplast that stores starch
non pigment containing plastid. mainly white in color
pigment containing plastid. colored
a leukoplast that stores oils
a chromoplast that is red in color
a chromoplast that is dark brown in color
type of cell that has no nucleus and no membrane bound structures
Cell Coat and Slime Layer can only be found on animal cells
The structure of cilia is similar to the structure of flagella in eukaryotic organisms
The type III Pilus is used for motility/movement
An example of an occluding intercellular junction is our digestive system because we cannot afford the bacteria that comes from food that we eat to be included in our other internal systems and so the occluding junctions the prevents leakage of it.