I need help with this matching problem I missed the lecture for this portion. 1.

Question

I need help with this matching problem I missed the lecture for this portion.

1. secondary active A An example of this would be glucose moving and Na' into the cell, Both molecules are moving the same directia 2. Calcium gradient B. High outside of the cell and low concentration inside the cell 3. Na gradient Higher concentration of this molecule outside the cell and in the endoplasmic membrane Release of this molecule is used to trigge ular events like muscle contractions. Passive transport using the energy from ATP hydralysis to move a malecule against the concentration gradient Primary active E. Moving one molecule against the gradient by transport using the energy from allowing a second molecule to move with the gradient symport F. Allowing a molecule to move down the concentration gradient

Explanation / Answer

Answer: The matchings are simply definitions of the respective terms and so, we have the following:

1.    E Secondary active transport, since it involves one molecule moving against and another moving down the concentration gradient.

2.    C Calcium gradient, since calcium ions are pumped during muscle contractions.

3.    B Na+ gradient, since sodium/potassium pump creates a high concentration of sodium outside the cell.

4.    F Passive transport, since transport takes place with the concentration gradient.

5.    D Primary active transport, since it involves ATP and works opposite to the concentration gradient.

6.    A Symport, since symport implies transportation in same direction.

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