Bacterial Cells Flashcards
What is the singular term for bacterial cells ?
Bacterium
What is the plural term for bacterial cells?
Bacteria
What is the difference between the cell walls in plants and bacteria?
Both have a cell wall BUT the cell wall in vacteria is not made of cellulose.
Where is the bacterial DNA found in a bacterial cell?
Found free in the cutoplasm. The bacterial cell does not have a nucleus.
What are plasmids?
Small rings of DNA
Name 3 bacteria that can cause human disease.
salmonella, thyphoid, tuberculosis
What are similar cells are grouped together called?
Tissue
What is an organ?
A structure made of several types of tissue.
Organs that work together to carry out a particular function are known as what?
Organ systems
The organ systems in a complex animal such as a human are grouped together to make what?
The organism
Similar cells also group together to form tissues in plants. Give 2 examples of a plant organ.
Leaf, root, stem, flowers
complete this flow diagram:
cell- tissue- organs - organ system
heart cell - heart muscle - heart- _____?
circulatory system
Complete flow diagram:
cell- tissue- organs- organ system
lung cell - lung tissue - _________ - respiratory system
lungs
What is the function of the nervous system?
responding to stimuli and making responses
What are the main organs in the nervous system?
brain
spinal cord
receptors (eg. eye)
effectors (eg. muscle)