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Explain, with the use of a punnet square, heterozygous inheritance.

First, let's make sure we're clear on what heterozygous inheritance means. Hetero means different like heterosexuals are attracted to a different gender than themselves, ...

KM
Answered by Kristina M. Biology tutor
2992 Views

Nitric acid (HNO3) is a strong acid. Ethanoic acid (CH3COOH) is a weak acid. Write an equation to show how ethanoic acid behaves as a weak acid in its reaction with water.

CH3COOH + H2O ⇌ CH3COO– + H3O+

JM
Answered by Jigi M. Chemistry tutor
30755 Views

Why is this reaction an Endothermic reaction?

bond making is exothermic, bond breaking is endothermic. It takes more energy to break the bonds than the energy released in making new bonds

JM
Answered by Jigi M. Chemistry tutor
2994 Views

What are the functions of glycoproteins in the cell membrane? (6 marks)

  • Antigens - cell recognition/cell signalling - receptor or binding site for hormones - cell adhesion - attach to water molecules to stabilise the cell membrane - receptor/ binding site/ trigger
  • ...
JM
Answered by Jigi M. Biology tutor
21815 Views

How does sweat cool the body down? (2 marks)

  • Water in the sweat evaporates due to the body temperature of the organism - This takes heat with it
JM
Answered by Jigi M. Biology tutor
8677 Views

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