Oct 01, 2020 · Pair off your gummy bears. In a DNA strand, pairs of cytosine and guanine (C and G) are paired together, while pairs of thymine and adenine (T and A) are paired together. Choose 4 different colored gummy bears to represent these nitrogenous bases. It doesn't matter if a pair goes C--G or G--C, as long as those are always the two in a pair.
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Question: QUESTION 9 Which Of The Following Statements About DNA Is (are) Correct? Select All That Apply. The DNA Molecule Is Very Flexible And Can Bend. A Single-stranded DNA Molecule Has An Equal Number Of Purines And Pyrimidine. There Are 3.6 Base Pairs Per Turn In A Helical DNA Molecule.
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DNA is the most important nucleic acids present in our body. It stores all the information regarding various processes performed by One of the following four bases is present in DNA nucleotides. Out of the 23 pairs in humans, 22 pairs are identical in both the sexes and are called autosomes.
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Directionality has consequences in DNA synthesis, because DNA polymerase can synthesize DNA in only one direction by adding nucleotides to the 3′ end of a DNA strand. The pairing of complementary bases in DNA (through hydrogen bonding ) means that the information contained within each strand is redundant.
The two strands are held together by base pairing between nitrogenous bases of one strand and nitrogenous bases from the other strand. Base pairing takes place between a purine and pyrimidine stabilized by hydrogen bonds: A pairs with T via two hydrogen bonds and G pairs with C via three hydrogen bonds.
Regarding Pasteur's experiments with the S-neck flask, which of the following statements is true? A) There was air involved. B) There was a food source involved. C) Any possibility of contamination was removed. D) All microorganisms were killed before beginning. E) All of the above.