<span>The cells that most directly attack and lyse cells infected by the virus are T cells. These cells mature in the thymus. T cells are an essential part of a properly functioning immune system. Patients with reduced T cells may end up being in more danger from the flu than those with a healthy immune system.</span>
The plant should be de-topped at least 4 cm above the surface of the soil.
The stump of the plant is tightly fitted with the apparatus.
Tube is filled with water, not completely but at least one-fourth
Remember to note the initial water level.
Note the final water level and draw interference by calculating the difference between two levels.
Answer:
Secondary
Explanation:
There are several levels of prevention. You might confuse this with primary prevention. Primary prevention is preventing infection, so it has to be done before the patient caught the disease.
The needle-exchange program aims to reduce the spread of blood-borne disease(HIV, hepatitis, etc) from the multiple usages of the same needle. Since the disease already exists, this will be secondary prevention.
TCATGAC that would be the other half of the dna strand
