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Explain the process of mitosis

The process of mitosis produces 2 genetically identical daughter cells. It can be remembered using the acronym PMAT.Prophase: Chromatin supercoils and condenses into chromos...

Answered by Risha J. Biology tutor
2240 Views

What factors change the rate of diffusion? (3) and what is the relationship between these factors? (1)

Temperature - The higher the temperature the faster the movement of particles so there is an increased rate of diffusion and conversely lowering the temperature decreases the rate of diffusionConcentratio...

Answered by Aneisha D. Biology tutor
2391 Views

What is meant by the term genotype and how does this differ from the phenotype?

The genotype of an organism is the combination of alleles, different copies of a gene at the same locus, (from the mother and father) that give rise to a particular trait whereas the phenotype is the obse...

Answered by Lucy S. Biology tutor
2508 Views

How do vaccines prevent certain diseases?

Vaccines introduce a dead, inactive or altered form of a pathogen (a microbe that causes an infectious disease) into the body. These pathogens have antigens,

Answered by Alice M. Biology tutor
2091 Views

Explain why the balloons inflate in the bell jar model of the lungs, when the rubber sheet is pulled down. (3 marks)

When the sheet is pulled down, the volume in the jar increasesThis causes the pressure in the jar to decreaseTherefore, air enters the balloon, down the pressure gradient, causing the inflation.

Answered by Manaswini P. Biology tutor
13083 Views

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