Mary Jones and Geoff Jones Solutions for Chapter: The Chemicals of Life, Exercise 4: End-of-chapter questions
Mary Jones Biology Solutions for Exercise - Mary Jones and Geoff Jones Solutions for Chapter: The Chemicals of Life, Exercise 4: End-of-chapter questions
Attempt the practice questions on Chapter 4: The Chemicals of Life, Exercise 4: End-of-chapter questions with hints and solutions to strengthen your understanding. Cambridge IGCSE® Biology Coursebook Third Edition solutions are prepared by Experienced Embibe Experts.
Questions from Mary Jones and Geoff Jones Solutions for Chapter: The Chemicals of Life, Exercise 4: End-of-chapter questions with Hints & Solutions
Name the substance which the emulsion test detects.
Name the form in which carbohydrate is transported in a plant.
Name the term that describes all the chemical reactions taking place in an organism.
Imagine that you have been given two colourless solutions. Describe how you could find out which of them contains the greater concentration of reducing sugar. You will need to think carefully about all the different variables that you would need to keep constant.
Copy and complete the table below. Do not write anything in the box that is shaded grey.
A sample of DNA was tested to find out which bases were present. It was found that 30% of the bases in the DNA were T. What percentage of the bases in the DNA would you expect to be A? Explain your answer.
A sample of DNA was tested to find out which bases were present. It was found that 30% of the bases in the DNA were T. What percentage of the bases in the DNA would you expect to be C? Explain your answer.
A sample of DNA was tested to find out which bases were present. It was found that 30% of the bases in the DNA were T. Explain why two organisms that have different sequences of bases in their DNA may look different from each other.
