Reproduction - Section 5.1 Quiz

What is the process that divides the duplicated contents of a cell's nucleus into two equal parts?
1. Mitosis
2. Cytokinesis
3. Interphase
4. Replication
Each month you completely replace your
1. Skin cells
2. Red blood cells
3. Liver cells
4. Brain cells
Which of the following cell types does not typically divide in an adult human?
1. Muscle
2. Stomach lining
3. Liver
4. Skin
DNA replication occurs during
1. Interphase
2. Mitosis
3. Cytokinesis
4. Cell death
The following diagram illustrates a strand of DNA replicating.

What is the rounded hourglass-shaped globule?
1. Enzyme
2. DNA
3. Nitrogen base
4. Ribosome
If you observe a cell under a microscope and you see clearly visible X-shaped chromosomes and no distinct nucleolus, at what stage is that cell likely to be?
1. Early prophase
2. Teleophase
3. Interphase
4. Anaphase
Which of the following statements about cancer is false?
1. Cancer results from cells that do not have adequate nutrients
2. Cancer involves uncontrolled cell division
3. Cancer is generally the result of a mutation
4. In cancer, damaged cells may replicate unchecked
Embryonic cells are special in that they can
1. Replicate an infinite number of times
2. Kill cancer cells
3. No longer make telomerase
4. Produce cancer cells
When chromatin is in its loosely coiled form,
1. the DNA can be copied into RNA.
2. the cell is damaged and needs to be repaired.
3. the cell has just divided.
4. the cell is undergoing mitosis.
During mitosis the centromere of each replicated chromosome is pulled along a spindle to
1. a centriole.
2. a nucleolus.
3. another chromosome.
4. the nuclear membrane.