Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. What is one benefit of this procedure? Patients do not receive harmful or ineffective medication.
The cultured cells are not in their normal environment.
Doctors know how to treat all types of cancer.
One tissue culture can be used for all cancer patients.

A. Patients do not recieve harmful or ineffective medication.

Explanation:

Scientist use tissue cultures to study possible medications for the patients so that the patients aren't put in harms way to test a drug that would not work or be harmful.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.