Cells Flashcards
Why does the Red Blood cells shape help it to function?
The biconcave disk and no nucleus allow a larger surface area to carry more oxygen around the body.
What is the order of cells?
Cell-Tissue-Organ
What are stem cells?
Stem cells are unspecialised cells, found in all animals, that have the ability to divide into new stem cells or different types of specialised cell.
Name the male sex cell in plants and where it is made.
Pollen that is made in the anthers.
Name the female sex cell in plants and where it is made.
The ovary which produces ovules.
What does the phenotype equal?
Phenotype= genotype + environmental factors.
What does homozygous mean?
Two alleles of the game are the same.
What is another word for homozygous.
True Breeding
What does heterozygous mean?
Two alleles of a gene are different.
What are Heterozygous individuals often called?
Carriers.
What are two sources of stem cells?
Embryonic and tissue.
What is a red blood cells function?
Carries oxygen around the body.
What is differentiation?
When cells become specialised
What are meristems?
Where are meristems found?
Regions of a plant where cell division takes place.
Tips of the roots and shoots