Gel electrophoresis separates DNA fragments according to size<span>. Samples containing a mixture of DNA molecules of different sizes are loaded on to the gel. When an electric current is applied DNA moves towards the positive electrode since DNA is negatively charged.</span>
Answer:If your from Study island, the answer is C: There will be a decrease in bees and mice which will cause a increase in the black bear and fox population.
Explanation:
Because a new predator is coming in and the new predator won't hunt the other predators it will just hunt the weaker ones like the mice and bees
Household used batteries should be disposed off carefully. So that the toxic chemical contents present in it do not add to environmental pollution.
Explanation:
- Burning the batteries in Incinerator can be harmful as it may be pollute the environment due to hazardous and toxic elements present in the batteries.
- Lithium batteries needs to be carefully packed and taping it shut very well so that they don't cause fire while transporting and recycling
- Mrs. King should buy a battery charger and recharge all of the used batteries so that they can be re-used. All rechargeable batteries can be recycled as well.
- Certain home department or office supply stores accept these products for recycling.