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What are the four chambers of the heart and what do they do?

The four chambers are called the right atrium, the left atrium, the right ventricle and the left ventricle. Deoxygenated blood enters the right atrium and is pumped into the right ventricle. The blood is ...

Answered by Hannah M. • Biology tutor

7995 Views

How to do a genetic cross to work out the offspring phenotype probabilites?

Construct a punnet square, putting the gametes of one parent in the first vertical column and the other parent in the first horizontal column. Next carry out the cross by combining the gametes in the squa...

Answered by Georgia R. • Biology tutor

4100 Views

How does DNA replication take place?

DNA replication takes place in a semi-conservative manner, where each of the DNA strands serves as a template for the formation of a new strand. This ensures genetic continuity between generations, as gen...

Answered by Dominika N. • Biology tutor

10608 Views

What's the difference between a eukaryotic cell and a prokaryotic cell?

Eukaryotes have a plasma membrane, nucleus, nuclear membrane, nucleolus, smooth endoplasmic reticulum, rough endoplasmic reticulum, ribosomes, mitochondria, lysosomes, peroxisomes.

Prokaryotes do n...

Answered by Elena D. • Biology tutor

3654 Views

What are the different types of digestion, and where do they take place?

There are 2 types of digestion: mechanical digestion and chemical digestion. Examples of mechanical digestion are: chewing - in the mouth; and churning - in the stomach. Chemical digestion involved enzyme...

Answered by Monique W. • Biology tutor

3801 Views