Top answers

Why does the thickness of the heart's chamber walls vary?

A chamber wall's thickness is directly linked to its function. Each of the 4 chambers has a different function and so, they each have different wall thickness. The more work a chamber has to do, the thicker ...
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Answered by Tasnim E. • Biology tutor
54599 Views

What is the difference between structural isomers and stereoisomers?

Structural isomers have the same molecular formula but a different bonding arrangement, or connectivity, between these atoms. This leads to different physical and chemical properties between stereoisomers. A...
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Answered by James N. • Chemistry tutor
49684 Views

Which fits best : perfective or imperfective?

The Russian verb has 3 tenses and 2 aspects . Aspects describe different qualities of an action – it is either acting (the process of doing something - Imperfective ) or the result of an action (after someon...
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Answered by Leo U. • Russian tutor
5039 Views

What is oxidative phosphorylation?

Oxidative phosphorylation is the metabolic pathway in which the mitochondria in cells use their structure, enzymes, and energy released by the oxidation of nutrients to reform ATP.
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Answered by Ernest M. • Biology tutor
5264 Views

What is the main evidence for the Big Bang theory?

The main evidence that we currently have to support the Big Bang Theory is the cosmic background radiation. This is electromagnetic radiation that appears to be evenly spread throughout the universe. It is m...
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Answered by Sam E. • Physics tutor
11559 Views