Honors Enrichment Questions

Topics: DNA, Protein, Leukemia Pages: 2 (326 words) Published: June 20, 2013
Honors Enrichment Questions

Week 3

1) What are chemotherapeutic drugs? Research two and explain how they work against cancer.

Chemotherapeutic drugs are used during chemotherapy and are a treatment for cancer

Leustatin- used for hairy cell leukemia, chronic lymphocytic leukemia and non- Hodgkin’s lymphomas. It is an infusion through a vein and it attacks cells at a very specific phase in the cell.

Taxol- used for treatment of the breast, ovarian, kung , bladder, prostate, melanoma, esophageal, and other types of solid tumor cancers. Attacks cells during certain phases of the process

2) What is hydrocortisone and when used, how does this reduce cell damage?

Hydrocortisone is a steroid hormone that is produced by adrenal cortex and used medicinally to treat inflammation resulting from eczema and rheumatism. It helps reduce cell dance because it is a steroid that help prevent / reduce inflammation of cells and tissue.

3) If a molecule comes toward the cell, how is it decided if the molecule will be taken in using active or passive transport?

Passive transport is moving biochemical and atomic or molecular substances across the cell membrane but unlike active transport is transporting things from a region of low concentration to high concentration, and it used energy. Depending on if the transport is using energy or transporting substances to one place to another depends on if it is Active or Passive.

4) Explain in your own words, the role of DNA and RNA in protein synthesis.

The DNA molecule will unwind and unzip as the hydrogen bonds break between the bases; adenine, thymine, guanine, cytosine. RNA nucleotides pair up with the exposed base of one of the DNA strands as adenine, uracil, guanine, and cytosine bond together to form the new molecule mRNA

5) How do endocrine and exocrine glands differ in structure and function?

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