If the DNA double helix in salmon contains 28 % adenine, what is the percentage of thymine, guan

step 1 Hello there students. Today we're going to be answering this question in regards to a chat there

If the DNA double helix in salmon contains 28 % adenine,...

Key Concepts

DNA Nucleotide Composition

DNA nucleotide composition involves calculating the percentages of the different bases in the DNA molecule. Using the base pairing principles, knowing the percentage of one base allows for determining the percentage of its complement and, by extension, inferring the percentages of other bases in the double helix.

Chargaff's Rules

Chargaff's Rules state that in a double-stranded DNA molecule, the amount of adenine (A) is equal to the amount of thymine (T) and the amount of guanine (G) is equal to the amount of cytosine (C). This fundamental observation lays the groundwork for understanding the nucleotide composition of DNA.

Complementary Base Pairing

Complementary base pairing refers to the specific hydrogen-bonding pattern between nucleotide bases in DNA, where adenine pairs with thymine and guanine pairs with cytosine. This concept is critical for maintaining the structure and fidelity during DNA replication.

Transcript

00:01 Hello there students.

00:01 Today we're going to be answering this question in regards to a chat there on nucleic acids and protein synthesis.

00:09 So for this question, they want us to know if the dna in salmon contains 28 % of anatomy, what is the percentage for the rest? which our t is our thiney, our g is our guanacine, nrc is our cytosine.

00:26 You can pause the video and write down your answer.

00:30 And we'll go over the show.

00:31 Shortly.

00:34 Okay, so if you, we understand with adony, we can start with thine knee because adenine and they both are complementary base pairs.

00:55 So if this is 28, then thineenine should be 28.

00:59 We're like well how we're going to solve for that's great now but how we're going to solve for for guanocene and cytosine well if you go by the chart that you see that there's a table about the percentage of bases and dna of selected animals where you see for your salmon we can see that for both guanosonis scene inside the scene people have 28 % and so we can see that's how you get it but if you want to know another way well this is another way how i learn how you do percentage for when you try to find for adding go on scene inside a scene if you don't have a tape both set up on let me pause so i can find it okay, so how you would solve it.

02:17 So let's pretend we didn't know it was 22, so percentage for both of them.

02:21 So let's just say if we knew that adene and finding were both equal to 28%.

02:35 Then we could have add them up, or we could have ended up with 56...

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