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Define active transport.

Active transport uses energy in the form of ATP hydrolysis to move a molecule against its concentration gradient.

JA
2146 Views

Two balls with the same kinetic energy have mass of ball a = m and ball b = 2m. What is the ratio of their momentums: a/b?

We know that both balls have the same kinetic energy, so we can write Eka = Ekb We also know that kinetic energy is given by the equation Ek = 1/2 (mv2) and mom...

ZR
Answered by Zachary R. Physics tutor
6891 Views

Statistics: What is the difference between a Binomial and Poisson distribution?

Binomial:

  1. A single trial has only 2 possible outcomes: success or failure

  2. A fixed number of trials, n

  3. Trials are independent

  4. ...
SS
Answered by Shivani S. Maths tutor
8542 Views

Further Maths: How do you find the inverse of a 2 x 2 matrix?

Consider the Matrix M: M= a b       c d  First, find the determinant. To do this, we use the formula:  det(M) = ad - bc Then plug the information into the formula used to find the inverse: 1/det(m) x   c ...

SS
2283 Views

Economics A-Level: What is the difference between traditional economic theory and the new approach to behavioural eocnomics?

The key assumptions under traditional economic theory are that economic agents are utility-maximisers and rational in their actions. Economic agents are assumed to have compared the costs and benefits of ...

SS
Answered by Shivani S. Economics tutor
17344 Views

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