what the cells do Flashcards
what does the nerve cell do
the nerve cell is responsible for transmitting information throughout the body.
what does the brain cell do
the brain cell process’ and transmit information throughout the brain and nervous system.
what does the skin cell do?
it serves as a protective barrier for the body, preventing harmful substances, pathogens, and excessive water loss from entering.
What does the muscle cells do
muscle cells are essential for movement, circulation, and various bodily functions.
definition of multicellular?
organisms that are made up of more than one cell.
definition of cilia
Tiny hairs that act like oars and propel the organism along.
Definition of e.coli
E.coli bacteria move by rotating or lashing a flagellum that looks like a tail. These organisms “swim” along
Definition of pseudopods
When an amoeba moves by changing shape and forcing its cytoplasm into extensions called pseudopods
Describe the process of cell division for a plant cell.
Instead of pinching in half after the nucleus divides, a new plate develops across the cell to create a new cell wall between the two nuclei.
What is the role of phytoplankton in ecosystems?
Maintaining healthy aquatic ecosystems and supporting life on earth.
What kind of organism is a hydra?
Hydra is a small,freshwater organism that belongs to the phylum cnidaria.
The role of unicellular organisms as decomposers?
They decompose the dead and decaying organic matter and fix their components into soil.
Why are unicellular organisms micro-sized?
To maintain a high surface area to volume ratio.
What do plants need to transform sun’s energy into sugar?
Need to transform the sun’s energy into sugar is to produce glucose.
Cell division animal cells vs plant cells.
Animal cells undergo cell division through a process called cleavage furrow formation, where the cell membrane pinches inwards to separate the two daughter cells.