Full Answer
What is the mutation in the DNA sequence 2?
Which cell contains a mutation likely to be passed on to the offspring of the organism?
Why do cells have DNA errors?
Which sequences have ellipses?
Can a gene mutation be positive?
Does mRNA have ellipses?
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How many nucleotides are present in the normal DNA?
There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
How many nucleotides are in a sequence?
DNA molecules are composed of four nucleotides, and these nucleotides are linked together much like the words in a sentence. Together, all of the DNA "sentences" within a cell contain the instructions for building the proteins and other molecules that the cell needs to carry out its daily work.
What is the normal DNA sequence?
DNA normally exists as two strands that wind into a shape called a double helix, with the bases on the two strands paired in a predictable way: A always pairs with T, and G with C (see Figure 1).
How many codons are contained in the mRNA that is produced by the normal DNA?
Each codon stands for a specific amino acid, so if the message in mRNA is 900 nucleotides long, which corresponds to 300 codons, it will be translated into a chain of 300 amino acids. Each of the three letters in a codon can be filled by any one of the four nucleotides; therefore, there are 43, or 64, possible codons.
What is a nucleotide in a DNA sequence?
A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T).
How do you determine the number of nucleotides in DNA?
According to Chargaff rule,Here adenine residues =120, cytosine residues = 120.there fore total number of nucleotides = [A] + [T]+ [C]+[G] =120 X 4 = 480.In humans, there is approximately 30% adenine. ... According to Chargaff's rule, [A]+[G]=[C]+[T]Here [A]=30% therefore % of [T] is also 30%.More items...
How many sequences are there in DNA?
Since there are 24 different DNA molecules in the human genome, a complete human gene map consists of 24 maps, each in the linear form of the DNA molecule itself.
How many types of DNA sequencing are there?
two typesBroadly speaking, there are two types of DNA sequencing: shotgun and high-throughput. Shotgun (Sanger) sequencing is the more traditional approach, which is designed for sequencing entire chromosomes or long DNA strands with more than 1000 base pairs.
How do we sequence DNA?
3:034:55DNA Sequencing - 3D - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou to read the sequence of the DNA the various fragments are separated by length using a processMoreYou to read the sequence of the DNA the various fragments are separated by length using a process called electrophoresis a capillary tube is lowered into each well of the plate.
How many amino acids will be in the protein produced by the normal DNA mRNA sequence?
If each amino acid is coded by 3 nucleotides (nt) and the entire mRNA encoded amino acids, the translated protein would be 276 amino acids. However, the SRY protein is 204 amino acids.
How do you write a DNA sequence from mRNA?
DNA utilizes four bases, adenine (A), guanine (G), cytosine (C), and thymine (T), in its code. RNA also uses four bases. However, instead of using 'T' as DNA does, it uses uracil (U). Therefore, if your DNA sequence is 3' T C G T T C A G T 5', the mRNA sequence would be 5' A G C A A G U C A 3'.
Which sequence of DNA bases would pair with this strand 3 TAA GGA ATC 5?
Solution : (c) Adenine always pairs with thymine and cytosine always pairs with guanine. Thus, sequence of bases on complementary strand would be TACGTACGT.
How many nucleotides are in a codon?
three nucleotidesA codon is a DNA or RNA sequence of three nucleotides (a trinucleotide) that forms a unit of genomic information encoding a particular amino acid or signaling the termination of protein synthesis (stop signals).
How many nucleotides are in one amino acid?
three nucleotidesEach group of three nucleotides encodes one amino acid.
How do you find the nucleotide sequence?
A NUCLEOTIDE OR PROTEIN SEQUENCEUse the NCBI BLAST service to perform a similarity search.For a nucleotide sequence select the nucleotide blast service from the Basic BLAST section of the BLAST home page. ... Click the BLAST button to run the search and identify matching sequences.
How many codons are there in a chain of 12 nucleotides?
Since codons do not overlap, a sequence of 12 nucleotides will contain 4 codons.
6 consider dna sequence 3 in model 1 the mutation in - Course Hero
Genetic Mutations 3 9. Considering your knowledge of codons and how they code for an amino acid, would all substitu-tion mutations lead to a change in the amino acid sequence?Explain your reasoning. 10. Would all insertion or deletion mutations lead to a change in the amino acid sequence?
Genetic Mutations POGIL Flashcards | Quizlet
Start studying Genetic Mutations POGIL. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Gene Expression- Translation POGIL Flashcards | Quizlet
Study with Quizlet and memorize flashcards containing terms like What do the letters U, C, A, and G represent in Model 1?, What do abbreviations such as Phe, Ile, Ala, and Gly represent in Model 1?, The language of mRNA is often described as a "triplet code". Explain the significance of this reference. and more.
Solved Model 1 – Gene Mutations Sequence 1 (normal) DNA | Chegg.com
Model 1 – Gene Mutations. Sequence 1 (normal) DNA sequence... T A C G T A G T C A C C T A A T G G A T C... mRNA sequence. A U G C A U C A G U G G A U U A C C U A G
What is the mutation in the DNA sequence 2?
Consider DNA sequence 2 in Model 1. The mutation in that sequence is a substitution
Which cell contains a mutation likely to be passed on to the offspring of the organism?
State whether the mutation is likely to be passed on to the offspring of the organism. Explain your reasoning. A single bacteria cell contains a positive mutation in its DNA. A skin cell on a cat contains a positive mutation in its DNA. A sperm cell in a whale contains a positive mutation in its DNA.
Why do cells have DNA errors?
All cells have DNA errors due to the mistakes that occur each time DNA is replicated prior to cell division. There are proofreading enzymes in cells that correct many of these mistakes, but on average, 3 - 5 errors are found in DNA after each replication.
Which sequences have ellipses?
All of the DNA and mRNA sequences in Model 1 have ellipses (...) on one or both ends of the sequences shown. Propose an explanation for this use of this symbol in that context.
Can a gene mutation be positive?
Gene mutations can be positive, negative or neutral. Suppose that the normal gene in Model 2 produced a polypeptide that was necessary for cellular respiration. Choose a mutation from those in Model 2 that would be neutral for a cell. Explain your rea- soning by relating the mutation to the cellular respiration process.
Does mRNA have ellipses?
All of the DNA and mRNA sequences in Model 1 have ellipses (...) on one or both ends of the sequences shown. Propose an explanation for this use of this symbol in that context. the sequence is too long. The amino acids produced from sequence 1 and sequence 2 in Model 1 do not have ellipses on the end of them, however the amino acids produced ...
What is the mutation in the DNA sequence 2?
Consider DNA sequence 2 in Model 1. The mutation in that sequence is a substitution
Which cell contains a mutation likely to be passed on to the offspring of the organism?
State whether the mutation is likely to be passed on to the offspring of the organism. Explain your reasoning. A single bacteria cell contains a positive mutation in its DNA. A skin cell on a cat contains a positive mutation in its DNA. A sperm cell in a whale contains a positive mutation in its DNA.
Why do cells have DNA errors?
All cells have DNA errors due to the mistakes that occur each time DNA is replicated prior to cell division. There are proofreading enzymes in cells that correct many of these mistakes, but on average, 3 - 5 errors are found in DNA after each replication.
Which sequences have ellipses?
All of the DNA and mRNA sequences in Model 1 have ellipses (...) on one or both ends of the sequences shown. Propose an explanation for this use of this symbol in that context.
Can a gene mutation be positive?
Gene mutations can be positive, negative or neutral. Suppose that the normal gene in Model 2 produced a polypeptide that was necessary for cellular respiration. Choose a mutation from those in Model 2 that would be neutral for a cell. Explain your rea- soning by relating the mutation to the cellular respiration process.
Does mRNA have ellipses?
All of the DNA and mRNA sequences in Model 1 have ellipses (...) on one or both ends of the sequences shown. Propose an explanation for this use of this symbol in that context. the sequence is too long. The amino acids produced from sequence 1 and sequence 2 in Model 1 do not have ellipses on the end of them, however the amino acids produced ...
