Answer:
There are two types of cell membranes. Either open or closed. Open is when other particles can get in or out. Closed is the opposite.
I hope that helps!
Closed meetings are not open to viewers and are for alcoholics having a serious desire to completely stop drinking. These meetings are for alcoholics Anonymous members only, consisting of men and women who share their experience, hope and strength with each other that they may solve their common problem and help others to recover from alcoholism. Therefore, the requirement is the desire to stop drinking.
On the off chance that I was a safeguard lawyer contending in court for shielding a coral reef from hurtful human exercises I would give particular contentions in the guard of this environment in the matter of why it must be ensured. I would first delineate that despite the fact that the coral reefs possess just 0.2% of the sea floor they give such imperative biological administrations. They go about as a characteristic boundary and ensure around 15% of the world's coastlines that would be harmed and devastated by disintegration from waves and tempests. They additionally give living spaces to about a fourth of the majority of the marine living beings. Next, I would depict how financially imperative coral reefs are. Coral reefs make up about a tenth of the world's worldwide fish catch and one-fourth of fish found inside creating nations.
It is false that living organisms contain unique chemical elements which are not found in non-living systems.
A. they have a higher proportion of adenine–thymine than guanine–cytosine base pairs.
The option A represents the complete opposite of "high-gc gram-positive bacteria". High GC content means that this bacteria have more guanine ans more cytosine than the other base pairs- adenine–thymine. This means all the other options are correct.