Biology Topic 12

Question 1

Ectoderm

Answer 1

Skin, nervous tissue, brain tissue

Question 2

Mesoderm

Answer 2

Heart vessels, blood vessels, muscles

Question 3

Endoderm

Answer 3

Liver, pancreas, lung, trachea

Question 4

Stem Cells

Answer 4

Cells that have the capacity to reproduce themselves and then differentiate into either one or different kinds of cells

Question 5

Therapeutic Cloning

Answer 5

Cloning carried out to create an embryo from which stem cells can be harvested for use in treatment in injury or genetic disease

Question 6

Cancer

Answer 6

A disease in which cells divide in an uncontrollable manner, forming an abnormal mass of cells.

Question 7

Totipotent

Answer 7

Can give rise to all cell types

Question 8

Pluripotent

Answer 8

Can give rise to many different cell types

Question 9

Multipotent

Answer 9

Can give rise to a closely related family of cells

Question 10

Apoptosis

Answer 10

A form of cell death in which a programmed sequence of events leads to the elimination of cells without releasing harmful substances into the surrounding environment