Secondary active transport protein link the transport of an ion downward its gradient with the transport of another particle against its gradient, whereas primary active carrier proteins move both components in the opposite direction of their respective gradients.

<h3>Which proteins are essential for active transport?</h3>

Instead of channel proteins, carrier proteins are used in active transport. Since these carrier proteins require ATP to change shape, they differ from those seen in facilitated diffusion.

<h3>Why do proteins play a part in active transport?</h3>

Specialized carrier proteins are needed for active transport, and cellular energy must be used.
When a chemical's phospholipid bilayer is impermeable to it or when there is a concentration gradient, carrier proteins allow chemicals to pass through the membrane.

<h3>What kinds of proteins are carriers?</h3>

The carrier proteins can be categorized as being driven by ATP, electrochemical potential, or light, depending on the source of energy.

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D. Explain why you would expect to find silver carp DNA at Chicago site 2 if you find silver carp DNA at

Elan Coil [88]

One would expect to find silver carp DNA at Chicago site 2 if silver carp DNA is found at Chicago site 1 and North Shore sites 1 and 2 because they are within the same location and body of water and because silver carp are invasive species.

<h3>What is gel electrophoresis?</h3>

Gel electrophoresis is a analytical technique that is used in the of separation of the macromolecules such as DNA and their fragments based on their size and charge.

The DNA of silver carp was analyzed using gel electrophoresis.

The results of the gel electrophoresis of the silver carp DNA is as shown in the attached image.

Considering the results;

The gel bands of North site 1 and Chicago site 1 matched the positive control indicating that silver cap DNA was present in those site.

However there was no match for North site 2 and Chicago Site 2.

If you find silver carp DNA at Chicago site 1 and North Shore sites 1 and 2, then it is expected that silver carp DNA will be found at Chicago site 2 since they are found in the same location and because silver carps are invasive species.

In conclusion, the matching DNA bands indicates presence of Silver carp DNA at those sites.

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