Top answers

Biology
GCSE

What process of chromosome replication is used to produce gametes?

Meiosis. Meiosis produces genetically different haploid daughter cells. Mitosis is the other method of chromosome replication but it produces diploid clone daughter cells. If sperm and eggs were produced...

Answered by Lucy C. Biology tutor
2197 Views

Describe the hormone changes that occur during a womens menstrual cycle

A womens menstrual cycle is on average 28 days long. Hormone release occurs due to signals from the brain. Days 1-5 is when a period occurs and levels of all hormones are low. After this, LH (luteinizing ...

Answered by Bhavina P. Biology tutor
2003 Views

Describe the process of phagocytosis of a pathogen.

The membrane of the phagocyte surrounds the pathogen and engulfs the pathogen. Enzymes inside the phagocyte break down the pathogen and destroy it. Pathogen proteins can then be presented on the surface o...

Answered by Harriet B. Biology tutor
2363 Views

Explain how monoclonal antibodies are formed and suggest a potential use for monoclonal antibodies.

Monoclonal antibodies are antibodies that are produced by identical immune cell clones that only target one specific antigen. Monoclonal antibodies are produced after the target antigen i...

Answered by Ann A. Biology tutor
3032 Views

what is the site of gas exchange in the lungs

the alveoli (air sacs that follow from the bronchioles)

Answered by Sito E. Biology tutor
1772 Views

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