B5 - Growth and Development Flashcards
Groups of specialised cells working together are called…?
Tissues
Groups of tissues working together are called…?
Organs
What is mitosis?
The process by which a cell divides to produce two new cells with identical sets of chromosomes to the parent cell
What is the purpose of mitosis?
To produce new cells for growth and repair and to replace old tissues
Where does meiosis take place?
In the ovaries and testes
What does meiosis produce?
Gametes
Gametes only have 23
chromosomes. The number of chromosomes will increase back to the full number when the sperm and egg fuse.
Base Pairs: A always pairs with…
T.
Base Pairs: G always pairs with…
C.
What does mRNA stand for?
Messenger ribonucleic acid
In terms of mRNA what base does A pair with?
U (replaces T)