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Biology
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What is meant by the term "tertiary structure" of a protein? Describe the forms of bonding that could be involved.

Tertiary structures in a protein refers to the overall three-dimensional structure of the protein. The tertiary structure is primarily generated by interactions between amino-acid R groups. There are five...

Answered by Henry H. Biology tutor
1948 Views

A gene often has two alleles. One allele is dominant and the other allele is recessive. When is a recessive allele expressed as a characteristic?

A gene has two alleles, they can be either dominant (A) or recessive (a).So the possible combinations are:AAAaaaDominant alleles are expressed as they are 'stronger' . So in the Aa example the dominant al...

Answered by Thomas G. Biology tutor
3120 Views

What is active transport? Use an example to demonstrate when active transport is used.

Active transport is a process where particles move from an area of low concentration to an area of high concentration against a concentration gradient. In order for particles to move against a concentrati...

Answered by Nilofar S. Biology tutor
2206 Views

Briefly describe the steps of DNA replication and the enzymes involved.

DNA helicase breaks the hydrogen bonds that bind the two strands of the DNA double helix.Free nucleotide complementary base pairs are added to the newly exposed single strands of DNA.Binding of the free n...

Answered by Biology tutor
1514 Views

Use your knowledge of the humoral immune response to explain a vaccination programme

Interesting topic with regards to COVID-19A vaccine introduces a foreign pathogen into the body. This foreign body stimulates the innate immune response which occurs regardless. The process of phagocytosi...

Answered by Will A. Biology tutor
2742 Views

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