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Name the key differences between Eukaryotic and Prokaryotic cells?

Eukaryotic cells are typically belonging to multicellular organisms, with exceptions of algae and amoebae. These cells always have multiple linear chromosomes (genetic material) and contain a nucleus (housin...
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Answered by Matthew W. • Biology tutor
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Compare and contrast the structure and functions of DNA and RNA.

DNA and RNA are both essential components of cells, and thus life. The structure of DNA is similar to that of RNA in that these are both made of nucleotides, which in turn are made of the same basic units: a...
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Distinguish between the structure of plant and animal cells

A number of differences exist between the structure of animal cells and plant cells. The most prominent difference is the presence of both cell walls and cell membranes in plants, while animal cells only hav...
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Answered by Joanna K. • Biology tutor
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explain the contraction of the skeletal muscle, according to the muscle sliding filament theory.

ATP binds to the myosin head Hydrolysis of ATP causes the head to come to a “cocked” position. Then the head binds to the actin binding site creating a cross-bridge ADP and Pi are released from the myosin, c...
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Answered by Ioanna Z. • Biology tutor
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Explain the process of prokaryotic DNA replication

DNA replication is semi-conservative and occurs in the 5' to 3' direction. In the lagging strand it is discontinuous (forming Okazaki fragments) and in the leading strand it is continuous. 1) First, the enzy...
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Answered by Pragna K. • Biology tutor
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