Only the bases varies from one nucleotide to another.
Answer:
I expect to find
Explanation:
A=30% C= 20% T = 36% G=14%
Magma! I think and hope this helps
Answer:
4. Variations that help with survival will be passed on to future generations and will rapidly change the whole population.
Explanation:
Variations that help with survival MAY be passed on to future generations, depending on how much pressure that variation relieves. Change may not be rapid, depending on how fecund the species is. Also, it will not change the whole population, only future offspring. The current offspring won't all have the new variation.
Selective permeable means it selects what goes out and comes into the cell. If the cell membrane wasnt selective then things could enter the cell and destroy it.
-Seth
