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What is the difference between a Eukaryotic and Prokaryotic cell?

Eukaryotic cells: bigger overall, chromosomes are linear and can be coiled round proteins for folding, larger ribosomes, they contain membrane bound organelles such as the nucleus, mitochondria, chlorolplast...
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Answered by George I. • Biology tutor
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How do we breathe in?

The scientific term for breathing in is inspiration. The main muscle that helps us to breathe is called the diaphragm; a large, dome shaped muscle that sits below our rib cage. The external intercostal muscl...
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Answered by Hannah E. • Biology tutor
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Describe the five stages of phagocytosis of a bacterium by a neutrophil

Attraction of phagocyte (neutrophil), towards the bacterium 2) Neutrophil engulfs the pathogen, forming a phagosome3) Formation of lysosomes which are attracted to the phagosome4) Binding of lysosomes to the...
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Answered by Mahesh B. • Biology tutor
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Describe how HIV replicates in the human body

The HIV life style has 7 stages. The first is binding: HIV has glycoproteins embedded in the membrane that help it to bind to CD4 receptors on the surface of a human cell. Next, the HIV envelope and human ce...
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Answered by Maree M. • Biology tutor
9070 Views

What are stem cells?

Stem cells are human or plant cells which can turn into (differentiate) other cell types, more specialised for their job. They often help with growth of tissues and development of embryos. Human stem cells a...
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Answered by Beth F. • Biology tutor
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