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Describe the three different types of point mutation, and explain for each what the effect on the final gene product is likely to be

  1. Base insertion/addition. This is when a base pair is added to a sequence - for example AGTCGTAGC could become AGTCGATAGC. In this situation, a frame shift occurs, and every c...
RH
Answered by Rachel H. Biology tutor
3847 Views

Which French politicans support the lowering of the voting age?

Currently, you have to be aged 18 or above to be able to vote in France. Dominique Bertinotti (the Family Minister) suggests having a 'pré-majorité' status where those aged 16-18 can vote in local electio...

Answered by French tutor
6322 Views

Discuss how Maya Angelou presents the theme of freedom, or lack thereof, in her poem 'The Caged Bird'

Withing the first stanza, Angelou uses a range of dynamic verbs in reference to the free bird: 'leaps', 'dips', 'floats'. In doing do, Angelou characterises freedom as a liberty and lightness of movement....

NL
Answered by Nema L. English tutor
8569 Views

Prove that "6^n + 9" is divisible by 5 for all natural numbers.

First assess that the initial case of where n = 1 is true. In this case, 6+9=15=53, so we can see that the case is true.We can then assume that 6k+9 is a multiple of 5, so we can let 6...

3388 Views

Give the name and describe the process by which macrophages kill pathogens.

Phagocytosis. Macrophage picks up signals of pathogen, extends cytoplasm around pathogen and engulfs it in a vesicle. Lysosomes diffuse towards the vesicle through the cytoplasm, fuse and the (lytic) enzy...

IB
Answered by Isabel B. Biology tutor
2266 Views

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