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What is the role of the rough endoplasmic reticulum in a eukaryotic cell?

Site of protein synthesis. RNA is transcribed in the nucleus and travels to the ribosomes on the endoplasmic reticulum (which are located in the cell cytoplasm) for translation/protein synthesis.
Answered by • Biology tutor
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Describe how the body responds to immunisation

Immunisation introduces a specific antigen into the body. This is recognised as foreign and stimulates B lymphocytes to produce plasma cells and memory cells. Plasma cells go on to secrete specific antibodie...
ZH
Answered by Zainab H. • Biology tutor
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There are 6 orange sweets and n total sweets in a bag. The probability of picking two sweets one at a time randomly and both being orange is 1/3. Show that n^2 - n - 90 = 0

Don't panic, focus on what you do know.You know 6/n * 5/(n-1) = 1/3or 30/(n^2-n) = 1/3simplify this to reach the target expression.
HA
Answered by Hussain A. • Maths tutor
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Explain what cash flow is and highlight how it is different from profit.

Cashflow is the movement of money in and out of the business. Cash inflows mostly comes from the money that the business earns from selling goods or services. Cash outflows are all its payments, which could ...
Answered by • Business Studies tutor
2778 Views

Factorise a^2 - 5a – 14.

Step 1: (a )(a ) Step 2: identify numbers that can multiply to 14: 1 & 14, 7 & 2 Step 3: Identify which pair of numbers add together to make -5: 2 - 7 = -5 Step 4: Check signs: +2 and -7 Step 5: Answ...
JC
Answered by Jasmine C. • Maths tutor
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