A single stranded DNA (oligonucleotides) can hybridize with (d) both complementary DNA and complementary RNA.
DNA is the Deoxyribonucleic Acid. It is the genetic material present in majority of organisms. The nitrogenous bases present in DNA are: Adenine, thymine, Guanine and Cytosine. DNA is a double stranded structure hence it forms hydrogen bonds with a complementary strand. The complementary strand can be of a DNA or RNA.
RNA is the Ribonucleic Acid. It also is a genetic material present in very few organisms. RNA is less stable than the DNA and may be either single stranded or double stranded. The nitrogenous bases of RNA are: Adenine Uracil, Guanine and Cytosine.
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Explanation:
It's saying that climate change is too expensive to fix. So, they just don't bother with it. I disagree with the cartoon because it is a big issue and we shouldn't just shrug it off. Obviously, CO-VID 19 is are biggest priority right now, but that doesn't mean we can't invest in it in the future.
<span>With the ever increasing of human population over the
years, it has taken a lot of toll on our ecosystems. There is a distinct
difference between marine life, rivers, lakes, oceans, mountains and other
animal habitat from today and a few years back. They have now become more
barren and polluted. </span>
