Cells Flashcards
(25 cards)
What is the function of the nucleus?
To contain genetic material that controlling the activities the cell
What is the function of the cytoplasm?
The site where most chemical reactions happen
What is the function of the cell membrane?
To hold the cell together and controls what goes in and out
What is the function of the mitochondria?
to help with aerobic respiration
What is the function of the ribosomes?
To make proteins via protein synthasis
What type of cell are bacteria?
prokaryotes
Does a bacterial cell have a nucleus?
No
What are chloroplasts?
where photosynthesis occurs. they make the energy for the plant
What are sperm cells specialised for?
reproduction
streamlined head and long tail
What are nerve cells specialised for?
rapid signalling
long axons and have branched connections
What are root hair cells specialised for?
absorbing water and minerals- big surface area
What do chromosomes do?
contain genetic information
What is a eukaryotic cell?
They contain membrane bound organelles such as a nucleus and mitochondria.
What is a plasmid?
a circular strand of DNA that floats freely in the cytoplasm
what does xylem transport?
water and minerals
what does phloem transport?
Sugars
in what direction can the phloem transport
roots to leaves
leaves to roots
what process do plants need to move water for?
photosynthesis
What is a stem cell
A single cell that can replicate it self or differentiate into many cell types
What is the function of a red blood cell
The primary function of red blood cells is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs.
What is a white blood cell
White blood cells are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
What is a nerve cell
a neuron
What is a muscle cell
is the type of cell found in muscle tissue.
What is a Palisade cell
Palisade cells are plant cells located on the leaves, right below the epidermis and cuticle.
