Answer:
The material covering the bee is called pollen, this material is produced from small spores that come from male trees and flowers.
Explanation:
Answer:
Enzymes unwind the DNA molecule into two strands.
Explanation:
I just took the quiz and it was correct
Answer:
A) A decrease in Na+ permeability, and an increase in K+ permeability.
Explanation:
When the potential action reaches a peak of about +40 mv Na+ channels are open and a high number of Na+ ions are entering the inside of the cell. Shortly after this happens the K+ channels will start to open their gates increasing the cell K+ permeability while the Na+ channels will start to close their gates, so the Na+ permeability will decrease. This happens in order to valance the positive charge on the inside of the cell. Normally the inside has a negative charge while the outside has a positive one, as the inside is more positive due to the increase in Na+ permeability at the beginning of the potential action, K+ cations (which are in abundance in the cell) will have to go out through the K+ channels so as to restore the charge valance, that means that there is an increase in K+ permeability.
Answer:
the citric acid cycle and preparatory steps
A food establishment
is an operation that stores, prepares, packages, serves, vends, delivers
or otherwise produces food for human consumption. Food that is offered in food establishments
should come from local-approved food sources. They can use produce that they
grow themselves or from agricultural producers that should be licensed and are responsible
to assure that their produce is safe (complying applicable laws). The producer
has to have a United States Department of Agriculture inspected plant. Food
establishments should obtain produce from those who have been certified in Good
Agricultural Practices and Good Handling Practices.