B1 Cell Structure & Transport Flashcards
Name 3 features a plant cell has that an animal cell doesn’t
Cell Wall
Permanent Vacuole
Chloroplasts
What are the functions of ribosomes?
Where proteins are made
What is the function of the cell membrane?
To control what enters and leaves the cell
What is the function of the nucleus?
Contains genes that controls the activities of the cell
What is the function of the mitochondria?
Where respiration takes place, releasing energy for cell processes.
What are prokaryotic cells?
Bacteria
What is the general term for plants and animal cells?
Eukaryotic cells
What features do prokaryotic and eukaryotic cells have in common?
Cell membrane
Cytoplasm
Which features do prokaryotic cells have that differ to eukaryotic cells?
No nucleus
Surrounded by a cell wall
What is a flagellum?
A tail that helps bacteria move
What are plasmids?
Extra circles of DNA in prokaryotic cells, containing extra genes not found in chromosomes
What do bacteria have instead of a nucleus?
A single chromosomal DNA loop
What is the function of cilia?
Ciliated cells line the trachea, using cilia to sweep mucus away from the lungs, sweeping away bacteria
Name 3 specialised animal cells
Ciliated Cells
Sperm Cells
Nerve Cells
What is cell differentiation?
Cells differentiate in a developing organism in order to form specialised cells