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Malignant tumors are sometimes treated with drugs that halt mitosis, and thus stop the production of new cancer cells. Two such drugs, vincristine sulfate and vinblastine sulfate, interfere with the formation of spindle fibers. How could this action halt mitosis? Antibiotics such as mitomycin C and inorganic compounds such as cis-platinum also can be used to stop the growth of tumors. These drugs interfere with DNA synthesis in treated cells. How could this action halt mitosis?
sugar solution for preservation.
Explain why the mango slices can be kept for a longer period.
[3 marks]
(d) Explain why an athlete is advised to take an isotonic drink after a long distance run.
Diagram 2.1 Rajah 2.1
(a) (i) Based on Diagram 2.1, name the condition of the cell. Berdasarkan Rajah 2.1, namakan keadaan sel itu.
(ii) Explain your answer in (a)(i). Terangkan jawapan anda di (a)(i).
[1 marks] [1 markah]
Which of the following would NOT let you know that something ypu found was alive?
A. COMPONENTS MADE OF CARBOJ AND HYDROGEN
B. THR USE OF COMPLEX TOOLS
C. EATING AND PRODUCING WASTE
D. CELLULAR REPLICATION AND GROWTH
which of the following taxa have mitochondrial DNA?
2. The difference between exocrine and endocrine glands?
3. Which specializations could be seen at the free, basal, and lateral surfaces of epithelia？
4. Please preview general connective tissue
1. The distribution of covering epithelium?
2. The difference between exocrine and endocrine glands?
3. Which specializations could be seen at the free, basal, and lateral surfaces of epithelia？
4. Please preview general connective tissue.
C. Golgi B. Nucleoid
D. Mitochondria
What are the small structures in a cell's cytoplasm that help the cell to function?
