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Biology
GCSE

In 2012, two scientists were awarded the Nobel prize for their research on stem cells. They showed that adult cells could be reprogrammed to become cells with the properties of embryonic stem cells. Describe the possible benefits of this research.

No need to use ESC.No rejection.Use to replace diseased cells by reprogramming and give rise to any cell type.

GS
Answered by Georgia S. Biology tutor
6283 Views

What is the difference between meiosis and mitosis?

Meiosis concerns the division of cells within sexually reproducing organisms. It results in the formation of four daughter cells via meiosis I and meiosis II. These daughter nuclei are described as 'haplo...

KM
Answered by Kestrel M. Biology tutor
2319 Views

Explain the differences in structure between a vein and an artery

Arteries have a narrower lumen with a thicker layer of muscle tissue which contains more elastic. Whereas veins have a wider lumen with a thinner layer of muscle tissue. Veins also contain valves to preve...

LK
Answered by Louis K. Biology tutor
2315 Views

i) Briefly explain the difference between anaerobic and aerobic respiration (2). ii) Which of these reactions produce more energy and briefly describe why?(2)

i) Anaerobic and aerobic respiration are both biochemical reactions (see below): ANAEROBIC RESPIRATIONGlucose = lactic acid + energy releasedAEROBIC RESPIRATIONGlucose + oxygen= carbon dioxid...

MC
Answered by Mani C. Biology tutor
2833 Views

Explain what happens to plant shoots when sunlight only reaches one side of the tip

Due to sunlight only reaching one side of the tip, the plant hormone auxin will gather on the shaded side. As the auxin is acting in the plant shoot, it promotes cell division and elongation of the shaded...

JJ
Answered by Joseph J. Biology tutor
3726 Views

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