Question

part ii - fill in the blank (4 questions)
word bank: dna, cancer, growth, differentiation

1. the cell cycle allows organisms to repair and
2. is the molecule that carries genetic instructions.
3. uncontrolled cell division can lead to
4. cells become specialized for different functions through

part iii - matching (3 questions)
match each stage of mitosis to its description.

1. prophase
2. metaphase
3. telophase

a. chromosomes line up across the middle of the cell
b. chromosomes appear and spindle fibers begin to form
c. two nuclei form around chromosomes at opposite ends

Explanation:

• For question 9, the cell - cycle is involved in repair and growth of organisms.
• For question 10, DNA is the molecule carrying genetic instructions.
• For question 11, uncontrolled cell division leads to cancer.
• For question 12, cells become specialized through differentiation.
• For question 13, in prophase, chromosomes appear and spindle fibers begin to form.
• For question 14, in metaphase, chromosomes line up across the middle of the cell.
• For question 15, in telophase, two nuclei form around chromosomes at opposite ends.

Answer:

1. Growth
2. DNA
3. Cancer
4. Differentiation
5. B. Chromosomes appear and spindle fibers begin to form
6. A. Chromosomes line up across the middle of the cell
7. C. Two nuclei form around chromosomes at opposite ends