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Biology
GCSE

Describe and explain the process of transcription in protein synthesis.

Hydrogen bonds that link complementary DNA base pairs in the cell's nucleus break and exposes the bases.Free RNA nucleotides in solution combine with their complementary bases of the single DNA strand.A w...

NC
Answered by Nichola C. Biology tutor
2777 Views

What is osmosis? A diagram may be useful for your explanation

Osmosis is the passive movement of water across a semi permeable membrane from an area of high concentration to an area of low concentration.

OA
Answered by Omar A. Biology tutor
3429 Views

What is cancer?

Cancer is a disease that occurs when cells get random changes in their genes, leading to them no longer being able to control how they grow and divide. This means the cancer cells grow and divide a lot qu...

EH
Answered by Erin H. Biology tutor
3150 Views

What are the differences between diffusion, active transport and osmosis?

Diffusion is a passive process, this means that no energy is required, where there is a net movement of particles from an area of high concentration to an area of low concentration down the concentration ...

MD
Answered by Matthew D. Biology tutor
15142 Views

Ben has red hair, and his wife has brown hair. The allele for red hair is recessive (r) and the allele for brown hair is dominant (B). Their son also has red hair. What is the genotype of Ben's wife?

We know red hair is recessive, so to have red hair you must have to have two red hair alleles, therefore Ben's genotype must be rr.However, the brown hair allele is dominant, this means you can have eithe...

HD
Answered by Helen D. Biology tutor
3578 Views

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