Chapter 5: Cell Structure Organization And Levels Of Organization Flashcards
Features of cell surface membrane
It’s separates the interior of all cells from the outside environment.it is a barrier keeping the constituents of the cell in in and unwanted substances out
Features of Nucleus
The location of the nucleus can vary depending on the type of the cell
The functions of a cell surface membrane
It is selectively permeable and controls the movement of substances into an out of the cell across the membrane
It forms a period between the cell and its surroundings
It keeps the contents of the cell inside
The membrane has receptors to perform the functions of cell recognition
The location of the cell surface membrane
It surrounds the cytoplasm of all cells
In animal cells it is the outermost layer of the cell
Implant a cell wall surrounds the cell membrane
The location of the nucleus
The usual location of the nucleus is at the center of animal cells and in plant cells it’s usually at the edge periphery
The function of the nucleus
The nuclear is the control center of the cell and controls the functions and activities of the cell
it stores genetic information of the cell
it is thus responsible for the transmission of genetic information from the parent cell to its daughters cells
it produces an exact copy when cells divide and passage genetic information to new cells
The function of chloroplast
Coloroplast are the site of photosynthesis they convert light energy from the Sun into chemical energy to form glucose
Chloroplast absorbs light energy and they contain chlorophyll which traps light energy
Location of chloroplast
Chloroplast are located in the cells of green plants
They are spread throughout the cytoplasm
There are mostly located at the edges of the cell to maximize light of absorption and photosynthesis rate
The cell structure of the cell surface membrane
It’s separates the interior of all cells from the outside environment
It is a barrier keeping the constituents of the cell in an unwanted substances out
Cell structure of a cell wall
It is fully made of cellulose
It is fully permeable
Functions of a cell wall
The cell wall provides mechanical support strength and protection around the plant cell it gives the plant cell a specific shape it resists turgor pressure and programs the bursting of plant cells
The location of the cell wall
Tell us are located around the cell surface membranes of plant cells it is situated outside the cell membrane plant cells are there for surrounded by cell walls in addition to the cell membrane
The cell structure of a vacuole
It is surrounded by the tonoplast
Water flowing in and out of the vacuole is regulated by the tonoplast
Vacuoles are found permanently in plant cells
Animal cells may possess small vacuoles which are temporary structures
Vacuoles is filled with cell sap
Functions of a vacuole
The vacuole store salts ions sugars waste products enzymes and pigments in the cell sap
It’s supports the plant cells and keeps the cell firm turgid
A controls the water content of the plant cell regulates osmotic properties of the cells (the flow of water inwards and outward)
The location of a vacuole
Small temporary vacuoles in animal cells are located in the cytoplasm of the cell
They can be numerous no vacuoles in the cytoplasm of the animal cell
Plant cells have one large vacuole situated near the nucleus of the plant cell they may be more than one vacuole
Cytoplasm cell structure
Cytoplasm is not a cell structure but an organelle
Functions of a cytoplasm
Cytoplasm is a jelly like fluid which is the site for chemical reactions inside the cell where all the work of the cell is done
The cytoplasm is composed manure of water and contains enzymes cells organelles and various organic molecules
Does cytoplasm also provides a physical structure for the plant
Location of a cytoplasm
The cytoplasm is located within a sales membrane but not inside the cells nucleus all the contents of the cells are contained within the cytoplasm
The similarities between animal and plant cells,
They both have a nucleus, cytoplasm, cell surface membrane and mitochondria. Both have also Golgi bodies, secretary vesicles comma rough endoplasmic reticulum and ribosomes
Muscle tissue
Muscle tissue is a soft tissue that composes muscles in the animal bodies and gives a rise to the ability of muscles to construct
Cardiac muscle
Tissue that forms the bulk wall of the heart
Smooth muscle
Tissue is located in the walls of the hollow internal structures such as black vessels, the stomach, intestine’s and urinary bladers.
Skeletal muscles
Is named for its location it is attached to bones and powers the movement of the skeleton comma as in walking and lifting
cell structure features of Rough endoplasmic reticulum
The rough endoplastic reticulum has ribosomes attached to its surface which gives it a rough appearance
