Cell Cycle 24-25

The Cell Cycle

AJH SCIENCE CLASSES 2024-25

Multiple Choice

WHAT ARE THE PARTS OF A CHROMOSOME?

• Centromere, telomeres, and chromatin.

• Nucleus, ribosomes, and mitochondria
• DNA, RNA, and enzymes
• Proteins, lipids, and carbohydrates

Multiple Choice

WHAT IS THE DIFFERENCE BETWEEN A CHROMATID AND A CHROMATIN?

• Chromatids are

  the uncondensed

  form of DNA; chromatin is the duplicated chromosome.

• Chromatids are

  found only in

  prokaryotic cells; chromatin is found in eukaryotic cells.

• Chromatids are duplicated chromosomes; chromatin is the uncondensed form of DNA.

• Chromatids are

  a type of RNA;

  chromatin is a type of protein.

Match

Match the following diploid chromosome counts with their haploid counts.

• Pea plants - 14 chromosomes

• Sunflower - 34 chromosomes

• Humans - 46 chromosomes

• Cat - 38 chromosomes

• Puffer Fish - 42 chromosomes

7 chromosomes

17 chromosomes

23 chromosomes

19 chromosomes

21 chromosomes

• 7 chromosomes

• 17 chromosomes

• 23 chromosomes

• 19 chromosomes

• 21 chromosomes

Multiple Choice

What are the 2 parts of the cell cycle?

• Cytokinesis and Telophase
• Prophase and Anaphase
• Interphase and Mitotic phase
• G1 phase and S phase

Multiple Choice

How long does it take the cell cycle to occur?

• About 12 hours for plant cells.
• Roughly 48 hours for bacterial cells.
• Approximately 6 hours for yeast cells.
• Approximately 24 hours for human cells.

Reorder

Reorder the following parts of the cell cycle.

• Interphase

• G1 phase

• S phase

• G2 phase

• Mitosis

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