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B1.1 Carbohydrates and lipids - revision quiz
Quiz by L
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What are the functions of the molecules cellulose and starch in plants?
Which of the following is a chemical reaction in which two monomers become covalently bonded to each other through the loss of a water molecule to make a polymer?
Which statement best describes a 'hydrolysis reaction'?
Which of the following is the name given to lipids made by a condensation reaction between glycerol and three fatty acids?
What is the general name given to simple molecular sub-units which can join together and form polymers?
Which of the following is not a function of lipids?
Which of the following is not a condensation reaction?
Which functions can't this molecule perform in living organisms?
Cellulose and starch are both polymers of glucose. Why are they different in terms of their structure?
Which of the following does not represent the formation of a polymer for energy storage?
The molecules below are both of the same type, they are fatty acids.
Which of the descriptions below is the best description of these two molecules.
The image below shows a carbohydrate molecule. Carbon atoms are black, oxygen are red and hydrogen is white.
What is the best description of its structure?
The image below shows a carbohydrate molecule. Carbon atoms are black, oxygen are red and hydrogen is white.
What is the best description of how this molecule was synthesized?
Which of the following processes could be described as hydrolysis?
Which is an incorrect description of this molecule?
Thyroxine, a hormone, is an organic molecule in which the atoms ae held together with covalent bonds.
A covalent bond forms between two _____ when they mutually _____ one or more pairs of _____ . The electrons in the bond are attracted to _____ nuclei. The atoms may share one pair ( _____ bond) or _____ pairs (double bond) of electrons.
Which of the following statements are true about lipids?