Here are some key features of DNA polymerases:<span>They can only add nucleotides to the 3 end of a DNA strandThey can't start making a DNA chain from scratch but require a pre-existing chain or short stretch of nucleotides called a primerThey check their work, removing the vast majority of "wrong" nucleotides that are accidentally added to the chain</span>
Answer:
it is B
Explanation:
it is Anti-A Individuals with type AB blood have both A and B antigens,
Answer:
True
Explanation:
Fungi are heterotrophic since they obtain their nutrients through external sources.
Plants are autotrophs since they can produce food for themselves by drawing in nutrients from the soil and use they process of photosynthesis to create glucose.
Both Fungi and Plantae have cell walls.
Answer:
The prefix "echin-" means D. The prefix "exo" means outside/external.
Explanation:
Because earth has natural cycles it goes through with ecosystems, and when we get involved with trying to help one spectrum of the natural world (rabbits for example) we hurt another (wolves, by over feeding, increasing the population, then exhausting the population of rabbits over a time.)
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