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Synapses are an important part of the nervous system. What is a synapse? Describe how information passes through a synapse.

A synapse is a junction between neurones. Description of a synapse being a small gap between two neurones. Synapses use chemical messengers to pass an impulse of electrical depolarisation from one neurone to...
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Answered by Bethan G. • Biology tutor
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Explain the functional differences between a t-RNA and an m-RNA molecule

A tRNA molecule is one which carries an amino-acid and takes it to ribosomes to be inserted into an amino-acid sequence making a protein during the translation step of protein synthesis. An mRNA molecule is ...
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Answered by Chintan P. • Biology tutor
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What are the differences between meiosis and mitosis?

Mitosis creates 'normal' body cells, while meiosis creates sex cells, like sperm and eggs. After mitosis, there are two daughter cells. After meiosis there are 4. The daughter cells from mitosis have a the f...
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Answered by Hayley M. • Biology tutor
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name 4 ways the lung is adapted for gaseous exchange

thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist
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Answered by Radhika T. • Biology tutor
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Explain the concept of 'chemiosmosis' in oxidative phosphorylation

The process of chemiosmosis essentially addresses the issue of storing chemical energy into a specific bond. The conversion from chemical energy in the coenzymes, such as NADH and FADH 2 to ATP cannot occur ...
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Answered by Narut P. • Biology tutor
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