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What is negative feedback in terms of homeostasis?

To regulate a number of processes in the body, there needs to first be recognition of current levels in order to respond in the appropriate way. For example there is a temperature "norm" (~36.9°...

CD
Answered by Charlotte D. Biology tutor
3881 Views

What is homeostasis?

This is the way that the body maintains a stable internal environment, which is vital for correct functioning of the cells in the body. For a stable environment there are several things which need to be r...

CD
Answered by Charlotte D. Biology tutor
3616 Views

Explain metallic bonding

Metallic bonding occurs due to electrostatic forces of attraction between a lattice of positively charged ions and a "sea" of delocalised electrons. (Draw diagram) These electrostatic forces are...

NG
Answered by Nikhita G. Chemistry tutor
10502 Views

Question 3 on the OCR MEI C3 June 2015 paper. Find the exact value of Integral x^3 ln x dx between 1 and 2.

This is a good candidate for integration by parts because it is a product of two functions – ln(x) and x^3, and x^3 is easy to integrate. The definition for integration by parts is: integral(u dv/dx) d...

TK
Answered by Tom K. Maths tutor
8382 Views

Describe how restriction enzymes are used to cut out DNA fragments

Restriction enzymes cut at specific sequences named palindromic sequences. These are unique as they read the same in opposite directions. A specific palindromic sequence is complementary to a specific res...

AC
Answered by Abigail C. Biology tutor
8298 Views

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