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Why and how do you do a strand test?
A strand test is done to check how a hair product will react on a small section of hair before applying it fully. You can do a strand test by applying a small amount of the product on a small strand of hair, following the instructions, and observing the results to ensure it doesn't cause any adverse reactions like breakage or discoloration.
What is the smallest number of nucleotides that must be added or subtracted to alter the reading frame?
The smallest number of nucleotides that must be added or subtracted to alter the reading frame is 1. A single nucleotide insertion or deletion can cause a frameshift mutation, resulting in a different reading frame for translation.
The DNA of all living organisms is composed of the same nucleotides It is only the sequence of nucleotides and quantity of DNA an organism possesses that cause the differences between organisms?
Yes, all living organisms share the same four nucleotides that make up DNA: adenine, thymine, cytosine, and guanine. The unique arrangement and quantity of these nucleotides in an organism's DNA are what determine its genetic characteristics and differences from other organisms. These variations in DNA sequence and content contribute to the diversity seen among different species.
2 disorders caused by DNA sequencing?
DNA sequencing is an analytical method used in the laboratory to find out the sequence of nucleotides on a strand (or chain) of DNA. It does not cause any disorders. What causes disorders are mutations, which are unregulated changes in the DNA sequence that happen within the body
Why does a Cytosine-Adenine rich strand degrade?
A Cytosine-Adenine rich strand may degrade due to several reasons. One possibility is the hydrolysis of the phosphodiester bonds in the DNA backbone, which can lead to strand breakage. Additionally, certain environmental factors or enzymatic activities may cause the destabilization of the DNA structure, making it more susceptible to degradation. Finally, the presence of specific damaging agents, such as radiation or reactive oxygen species, can also contribute to the degradation of a Cytosine-Adenine rich DNA strand.
How do nucleotides cause living things to differ from on another?
the reason is that each living thing has a different order of nucleotides in its DNA
How is the process of DNA replication affected by the presence of 3' to 5' DNA strands?
The presence of 3' to 5' DNA strands can hinder the process of DNA replication because DNA polymerase, the enzyme responsible for adding new nucleotides to the growing DNA strand, can only add nucleotides in the 5' to 3' direction. This means that the 3' to 5' DNA strands cannot be replicated continuously and may cause delays or errors in the replication process.
Why are there many replication forks?
A replication fork is the mechanism by which a strand of DNA is synthesized. If you can imagine a strand of DNA unwound, then it would resemble a ladder. Unzip the DNA and it now looks like a fork, ie fork in road, not eating fork. There is a Leading strand, which is synthesised easily. USing DNA polymerase which 'reads' along the strand in the 3' to 5' direction on the strand, producing a replication strand in the 5' to 3' direction. The opposite strand is called the lagging strand, and this is slightly more complicated. DNA polymerase cannot read in the 5' to 3' direction on the template strand. Thus DNA primase is used to read the strand and replicate small RNA segments, called Okazaki fragments. The lagging strand has no been copied into many small strands of RNA, or Okazaki fragments. Next DNA polymerase comes along and replaces all the RNA nucleotides with DNA nucleotides. ANd finally DNA ligase 'stitches' all the small fragments into one long strand.
What happens when you swallow human hair?
Swallowing the occasional strand won't cause a thing.
How many nucleotides would cause a frame shift mutation?
Adding or subtracting just one nucleotide would cause a frame shift mutation.
Why and how do you do a strand test?
A strand test is done to check how a hair product will react on a small section of hair before applying it fully. You can do a strand test by applying a small amount of the product on a small strand of hair, following the instructions, and observing the results to ensure it doesn't cause any adverse reactions like breakage or discoloration.
What is the smallest number of nucleotides that must be added or subtracted to cause a frame- shift in the triplet grouping of the genetic message?
1
The insertion of how many nucleotides into a genetic sequence does less damage to the code than the insertion of other numbers of nucleotides?
3 cause 3 nts corresponding to an amino acid so it wont effect all the following code after insertion
Can hepatitis C cause a cocaine positive hair strand result?
Hepatitis C infection does not directly cause a positive result for cocaine in a hair strand test. However, it's possible for someone with hepatitis C to also use cocaine, which could lead to a positive result. Each substance is detected separately in hair tests.
What is the smallest number of nucleotides that must be added or subtracted to alter the reading frame?
The smallest number of nucleotides that must be added or subtracted to alter the reading frame is 1. A single nucleotide insertion or deletion can cause a frameshift mutation, resulting in a different reading frame for translation.
The DNA of all living organisms is composed of the same nucleotides It is only the sequence of nucleotides and quantity of DNA an organism possesses that cause the differences between organisms?
Yes, all living organisms share the same four nucleotides that make up DNA: adenine, thymine, cytosine, and guanine. The unique arrangement and quantity of these nucleotides in an organism's DNA are what determine its genetic characteristics and differences from other organisms. These variations in DNA sequence and content contribute to the diversity seen among different species.
2 disorders caused by DNA sequencing?
DNA sequencing is an analytical method used in the laboratory to find out the sequence of nucleotides on a strand (or chain) of DNA. It does not cause any disorders. What causes disorders are mutations, which are unregulated changes in the DNA sequence that happen within the body
