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What do bacteriophage's do in genetic engineering?
To duplicate, viruses insert their genetic material into a host cell along with enzymes. The host cell's internal replication machinery is hijacked, and the cell begins producing the proteins to make new viruses. In genetic engineering, the viral DNA is changed (through a variety of techniques) to include the altered genetic material that is intended to change or replace pieces of the host's genome. It also usually includes a "repair protein" that keeps it from killing the host cell. Special receptors on the surface of the virus allow it to attach to the appropriate cells (for instance certain adeno-associated viruses can insert information specifically into chromosome 19), and the modified DNA is introduced via the usual method of viral reproduction. Instead of replicating new copies of the virus, the cells begin to copy the new genetic material, which then is incorporated into the host's genome.
How is a wound closure requiring the use of adhesive strips as the sole repair material coded?
Using the appropriate E/M code. See page 64 Repair (Closure) in your CPT manual.
How do you repair a tear in a screen door?
To repair a tear in a screen door, start by removing the screen from the door frame. Clean the area around the tear and then use a screen repair patch or a piece of matching screen material. Cut the patch slightly larger than the tear, then attach it using adhesive or by sewing it in place, ensuring it’s secure. Finally, trim any excess material and reattach the screen to the door frame.
What are two types of spall repair methods?
Two common types of spall repair methods are patching and resurfacing. Patching involves filling the damaged area with a repair material, such as concrete or epoxy, to restore the surface integrity. Resurfacing, on the other hand, entails applying a new layer of material over the entire surface to improve aesthetics and protect against future damage. Both methods aim to extend the lifespan of the structure and enhance its performance.
Which of the following experimental techniques involves treating a genetic disorder by replacing a defective gene with a functional gene?
a new gene which codes for the protein that can repair defective genes is introduced.
Why is cell division is important in eukaryotes?
Cell division is important in eukaryotes to allow for growth, repair, and development of organisms. It ensures that genetic material is accurately distributed to daughter cells during reproduction, maintaining genetic diversity and ensuring proper function of cells.
How cell reproduce?
Cells reproduce through a process called cell division. During cell division, a cell duplicates its genetic material and divides into two daughter cells. This process ensures that genetic information is passed on to new cells and is essential for growth, development, and repair of tissues in an organism.
How mutations are corrected?
Mutations can be corrected through various mechanisms in cells, including DNA repair pathways that can recognize and fix errors in the genetic code. Cells possess different types of repair mechanisms such as base excision repair, nucleotide excision repair, and mismatch repair to correct mutations. These mechanisms help to maintain the integrity of the genetic material and prevent the accumulation of harmful mutations.
What is reason cells divide?
The reason cells divide is because that helps you heal and grow
Why does crossing over occur in meiosis but not mitosis?
Crossing over occurs in meiosis but not mitosis because meiosis involves the formation of gametes (sex cells) and the exchange of genetic material between homologous chromosomes during crossing over increases genetic diversity. Mitosis, on the other hand, is a process of cell division for growth and repair, where genetic material is replicated and divided without genetic exchange between chromosomes.
What happpens when a cell that lacks the ability to make DNA repair enzymes?
A cell without the ability to make DNA repair enzymes is more prone to accumulating mutations in its DNA. This can lead to genetic instability and an increased risk of diseases such as cancer. Without DNA repair mechanisms, the cell's ability to maintain the integrity of its genetic material is compromised.
What process occurs in eukaryotic organisms that only reproduce asexually?
In eukaryotic organisms that reproduce asexually, the process of mitosis occurs. During mitosis, the cell's nucleus duplicates its chromosomes and divides into two identical daughter cells. This allows for growth, repair, and reproduction without genetic variation.
At some time during their lives all cells must contain DNA.?
true
What does DNA do in cell?
DNA carries the genetic information and instructions for the cell's functions. It serves as a blueprint for making proteins, which are essential for cell structure and function. DNA also replicates itself during cell division to pass on genetic information to daughter cells.
Within a large population how does conjugation benefit ciliates?
Conjugation in ciliates benefits them by allowing for genetic exchange through the transfer of genetic material between individuals, contributing to genetic diversity and potentially increasing adaptability to changing environments. This process also facilitates repair of damaged DNA and eliminates harmful genetic mutations.
What is a spontaneous change that occurs in genetic material?
There are several. Some examples are: point mutations, crossovers, recombinations, translocations, deletions, errors in the repair process, telomere shortening, etc.
What is the recommended repair material for spall repair?
same that was removed
