Cell Structure
What name is given to an organism made of one cell?
Name one specialised cell
e.g. red blood cell, nerve cell, white blood cell
How many chromosomes do humans have?
46 chromosomes
What name is given to organisms made of many cells?
Multicellular organisms
How are root hair cells adapted to perform their function?
Hair structures increase surface area for water absorption
What name is given to a fertilised egg?
Where is DNA found in the cell?
In the nucleus
How are red blood cells adapted for their function?
Dent increases surface area for oxygen absorption
No nucleus to increase space to store oxygen
How many chromosomes are found in a sperm or egg cell?
23 chromosomes
Name a cell structure both animal and plant cells have
Nucleus, cell membrane, cytoplasm
How is the nerve cell adapted for its function?
Long with many connections to pass signals through the body.
What is the function of a gene?
To encode a trait
Name one structure a plant cell has that an animal cell doesn't
Cell wall, vacuole, chloroplast
Why is it important to have specialised cells?
To perform specific functions, for the organism to be more efficient
What is the funciton of the nucleus?
To control all the cells activities