AP BIOLOGY

ANIMAL PHYSIOLOGY

OSMOREGULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
For a chemotherapeutic drug to be useful for treating cancer cells, which of the following is most desirable?
A
Itis safe enough to limit all apoptosis
B
Itdoes not affect metabolically active cells
C
Itonly attacks cells that are density dependent
D
Ittargets only rapidly dividing cells
Explanation: 

Detailed explanation-1: -Corticosteroids, often simply called steroids, are natural hormones and hormone-like drugs that are useful in the treatment of many types of cancer, as well as other illnesses. When these drugs are used as part of cancer treatment, they are considered chemotherapy drugs. Examples of corticosteroids include: Prednisone.

Detailed explanation-2: -Drugs in this group include 5-fluorouracil, 6-mercaptopurine, cytarabine, gemcitabine, and methotrexate, among many others. Anthracycline chemotherapy attacks the enzymes inside cancer cells’ DNA that help them divide and grow. They work for many types of cancer.

Detailed explanation-3: -Alkylating agents were among the first anti-cancer drugs and are the most commonly used agents in chemotherapy today. Alkylating agents act directly on DNA, causing cross-linking of DNA strands, abnormal base pairing, or DNA strand breaks, thus preventing the cell from dividing.

Detailed explanation-4: -The most common treatments are surgery, chemotherapy, and radiation. Other options include targeted therapy, immunotherapy, laser, hormonal therapy, and others. Here is an overview of the different treatments for cancer and how they work. Surgery is a common treatment for many types of cancer.

There is 1 question to complete.