Describe the structure of DNA and where it is found inside a human cell

The DNA molecule is found within the nucleus of the cell, organised into chromosomes. In humans, there are 46 chromosomes. The DNA molecule consists of organic bases joined by sugars and phosphate molecules.

KT

Related Biology GCSE answers

All answers ▸

Describe the process of therapeutic cloning.


i) Briefly explain the difference between anaerobic and aerobic respiration (2). ii) Which of these reactions produce more energy and briefly describe why?(2)


Compare anaerobic respiration in a yeast cell with anaerobic respiration in a muscle cell (3 marks)


Explain why having more red blood cells per cm3 of blood is an advantage to an athlete. (3 Marks)