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How do the different organelles in a eukaryotic cell work together to produce a hormone such as insulin?

Hormones are proteins. Each specific protein is made up of a specific sequence of amino acids. DNA in the nucleus codes for the specific sequence. This DNA is transcribed into mRNA which leaves the nucleu...

Answered by Sri Harsha D. • Biology tutor

6949 Views

How do you know when to add probabilities together and when to multiply them together

A probability that an event occurs will always range between 0 and 1. If you want to know the probability of two events both happening you would multiply them together. For exampke what is the probability...

Answered by Priyen S. • Maths tutor

4246 Views

Describe the expressive devices used in Dido's lament 'When I am laid in earth' that portray a character facing death.

Melody: No vocal ornamentation - despair
Use of monotone - emphasise words 'remember me' - the melody in this section is also fragmented - shows they are struggling to continue living
Unequal ...

Answered by Jodie B. • Music tutor

4441 Views

What is the name of the valve responsible for preventing blood flow from the left ventricle to the left atrium of the heart?

Mitral Valve The mitral valve is a large 'flap' between the two left chambers of the heart. When this is open, it allows oxygenated blood to fill the left ventricle of the heart from the atrium. When the ...

Answered by Ella H. • Biology tutor

2478 Views

How do I start my personal statement letter?

Write everything that you know about yourself. How detailed or polished it is, that doesn't matter yet. Why? It's easier to trim down and polish than to come up with the perfect phrasing from scratch.

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Answered by Alexandru V. • Personal Statements tutor

2058 Views