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a DNA strand can have many different types of sequences but, T (thymine) always pairs with A (adenine) and C (cytosine) always pairs with G (guanine). think of your DNA strand as a ladder. every single ladder in exactly the same in your body. the two collunms of the DNA are the strongest parts of the whole strand. the collunms are made up of deoxyribose (sugar)(D) and a phosphate group (P)the rungs of the DNA (ladder) are the T, A, G, and C. they always pair with the same one but can be mixed up.
EX: P P
D GC D
P P
D TA D
P P
D AT D
P P
D CG D
P P
D GC D
P P
this is the DNA strand flatened out. the rungs can be in any order but have to be paired up with the same one. A & T, G & C
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∙ 12y ago
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What must happen to a DNA molcule before RNA polymerase can make RNA?
nothing
Which bases pair together in a DNA molcule?
Adenine pairs with thymine. and Guanine pairs with cytosine.
What technology allows scientists to compare the DNA of different kinds of organisms to determine classification?
pewp is why
What does a cell have?
cell membrane, not a nucleus, some cells don't have nucleus but they still have DNA.
What happens during the first step of copying DNA?
The DNA has a structure called a Double Helix which is then "unzipped" by different enzymes which leaves 2 strands. The DNA strands serves as a template for a new strand as once the strands are translated so like coding for DNA. ATGCGTATA is translated to TACGCATAT then the strand is then built so that you are left with 2 identical DNA molecules.
What must happen to a DNA molcule before RNA polymerase can make RNA?
nothing
Which bases pair together in a DNA molcule?
Adenine pairs with thymine. and Guanine pairs with cytosine.
How does centrifugation separate different kinds of DNA?
Centrifugal force separates different kinds of DNA based on proportions of amino acid base pairs. The AT base pair has a lower molecular weight than CG. Different types of nucleic acids separated into bands.
How are the four kinds DNA nucleotides different from each other?
Each DNA nucleotide contains one of four different nitrogen bases. They are adenine, thymine, guanine, and cytosine. there you go.
How are different kinds of single-celled organisms alike?
Both of these have the Ability to reproduce only due to their Dna.
What technology allows scientists to compare the DNA of different kinds of organisms to determine classification?
pewp is why
How many kinds of DNA are there?
There is only one kind of DNA
The DNA molecule has four different kinds of these?
DNA molecules have four different kinds of bases. These bases pair up with one another in order to make DNA.
What controls the order in which different kinds of amino acids follow one another during the production of a polypeptide chain?
DNA
How do different kinds of cells develop in an embryo?
Every cell contains DNA within the nucleus, containing the blueprint to build many different proteins in the cell. Different signals can cause embryonic cells to select specific parts of the DNA which can then be used to synthesize proteins, eventually building different cell types.
The basic kinds of nucleic acids are?
Rna's and Dna's
How many kinds of DNA building blocks are there?
56
