hydrocarbon deposit
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nonrenewable energy
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nonrenewable fuel source
The correct answer is :
Some substances but not other can cross the (blank ) membrane of a cell. The blank is to be filled with either cell or plasma. Cell membrane or plasma membrane is the living boundary of a cell which is made of phospholipid. It is a semi-permeable or differentially permeable membrane. It only allows small and non-polar molecules to pass through it. It prevents polar ions or molecules to pass through it
The answer is b, chromatin
Answer:
RNA
Explanation:
DNA has the bases of A,T,C, and G.
RNA has the bases of A,U,C, and G.
the T base in DNA is 'Changed' into the base U
Answer:
Well , I think the answer is B
This represents a closed system,and one benifit is that the risk of passing disease between other species is lower than in open system
But still I prefer you to check it out in your book