B5 - Growth and Development

"Every kind of cell in the human body is specialised" - explain.

What are groups of one cell type called?

What is the main difference between an animal and a plant cell?

What is a fertilised egg called?

How does an embryo divide?

What are embryonic stems cells?

What are the dividing cells that cause the plant to widen called?

Why do meristems work?

What stem cells do adult humans have?

What is rooting powder and what is the active ingredient?

Why do gardeners use cuttings?

What is phototropism?

How does phototropism occur?

How was phototropism proved to be only in the tips?

What is a chromosome?

What is the first stage of mitosis?

What happens at the second stage of mitosis?

Describe stage 3 of mitosis.

What is the last stage in mitosis?

What is a gamete?

What is meiosis?

What was Watson and Crick's major discovery?

What is base pairing?