Allogeneic hematopoietic cell transplant is procedure in which a patient receives healthy blood-forming cells (stem cells) from a donor to replace their own stem cells that have been destroyed by treatment with radiation or high doses of chemotherapy.
An allogeneic hematopoietic cell transplant uses a donor's bone marrow or blood. The donor is usually a relative of the patient, although unrelated donors or umbilical cord blood are sometimes used.
Allogeneic stem cell transplantation involves transferring the stem cells from a healthy person (the donor) to the patient's body after high-intensity chemotherapy or radiation. The donated stem cells can come from either a related or an unrelated donor.
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Answer;
-Because the chemical groups that form hydrogen bonds are in the wrong positions.
Explanation;
-A base pair is any of the pairs of nucleotides connecting the complementary strands of a molecule of DNA or RNA and consisting of a purine linked to a pyrimidine by hydrogen bonds.
-The base pairs are adenine-thymine and guanine-cytosine in DNA, and adenine-uracil and guanine-cytosine in RNA or in hybrid DNA-RNA pairing. A mutation in the sequence of DNA that makes an adenine to be paired with a cytosine results to an unstable interaction because the chemical groups that form hydrogen bonds are in the wrong positions.
The steps of fracture repair include:
- Hematoma formation.
- Fibrocartilage Callus Formation.
- Bony Callus Formation.
- Bone remodeling.
<h3>What is a fracture?</h3>
A fracture is a complete or partial break in a bone. The causes of bone fractures include trauma, overuse, and diseases that weaken bones.
In this case, Kyndall was lucky because the fracture occurred about 3 inches below the epiphyseal plate as this means the fracture does not break through the bone at the growth plate.
An improperly treated growth plate fracture could result in a fractured bone.
Lastly, the type of fracture is a nondisplaced fracture is one in which the bone cracks or breaks but retains its proper alignment.
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Answer:
Deforestation
Climate Change
Invasive Species
Explanation:
Seventy percent of the Earth's plant and animals dwell in forests, and deforestation affects them directly. Once their habitat is lost, they are on their way to extinction.
Climate change also causes extinctions not only as a result of species intolerance to high temperature, but more commonly via a variety of related factors that alter a species’ interactions with other species.
Invasive species invade foreign territory. They use resources that the other species depend on. Then naturally one of the species will die off.
