Answer:
The correct answer is B. the two strands of DNA must separate.
Explanation:
DNA is a double-stranded structure. The two strands are joined together by the formation of hydrogen bonds between complementary nucleotides. So before the replication takes place these two strands must be separated.
The separation of DNA strand is accomplished by the action of a helicase enzyme which breaks the hydrogen bond between complementary nucleotides and separated the two DNA strands.
After separation, the DNA polymerase binds to separated DNA and replicating the DNA. So the right answer is B.
C) how energy moves from organism to organism
The advantage that is conferred to algae and plants that have sporopollenin is that they have reproductive cells that are more resistant to desiccation. Remember that a sporopollenin is a polymer that is inert and makes up the outer layer of pollen grains and spores. Sporopollenin<span> is also found in the cell walls of several taxa of green </span>alga<span>, including Phycopeltis </span>
Answer:
The term Caribbean culture summarises the artistic, musical, literary, culinary, political and social elements that are representative of Caribbean people all over the world.
Explanation:
Much of it is ocean and the Caribbean region includes about 700 islands, islets, reefs, and cays in and surrounding the Caribbean Sea. Across the Caribbean region, there is diverse topography including coral reefs, mountains, tropical forests, low-lying plantations, valleys, waterfalls, and volcanoes.
