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10 questions
This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
Arrow 1 represents prophase, and Arrow 2 represents interphase.
Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
Arrow 1 represents interphase, and Arrow 2 represents mitosis.
Arrow 1 represents meiosis, and Arrow 2 represents prophase.
The activities in the cell cycle occur during specific phases. In which phase of the cell cycle is DNA replicated?
Mitosis
G1 phase
G2 phase
S phase
Which of the following explains why an exact copy of DNA is replicated each time a cell divides?
Each strand of DNA makes an exact copy of itself.
Each strand of DNA makes a complementary (one that matches) copy of itself.
DNA is transcribed into RNA strand before cell division
DNA's double helix is resistant to errors.
Mitosis results in the creation of _____________.
fewer cells
two cells identical to the original cell
dead cells
protein in a cell
Which of the following shows the correct order of the cell cycle?
interphase, prophase, cytokinesis
interphase, mitosis, cytokinesis
mitosis, interphase, cytokinesis
mitosis, cytokinesis, telophase
The graphic shows the processes involved in the cell cycle. The cell cycle is necessary in order for new cells to replace damaged or dead cells. In which part of the cycle are new cells formed?
Growth
DNA Synthesis
Preparation for division
Mitosis
Which factor BEST explains how many diseases, such as cancer, are formed within the body?
A traumatic injury to the body has occurred.
A disruption in the cell cycle has taken place.
A response by the immune system was triggered by an allergic reaction.
A mutation occurred during the process of crossing over.
The table below identifies three classes of genes that affect the cell cycle. Which would MOST likely be happening in cancer cells?
Oncogenes are active and tumor suppressor genes are active.
Oncogenes are active and tumor suppressor genes are inactive.
Oncogenes are inactive and tumor suppressor genes are active.
Oncogenes are inactive and tumor suppressor genes are in active.
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