Describe the stages of the cell cycle, including deoxyribonucleic acid (DNA) replication and mitosis, and the importance of the cell cycle to the growth of organisms.
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Q 1/12
Score 0
A photomicrograph of onion root tip cells during mitosis is shown below. Which phase of mitosis is occurring in the cell indicated by the arrow?
60
Metaphase
Telophase
Prophase
Anaphase
Q 2/12
Score 0
Which of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?
60
The cytoplasm must be separated
The cell membrane must be expanded
The DNA must be replicated
The chromosomes must be joined
12 questions
Q.
A photomicrograph of onion root tip cells during mitosis is shown below. Which phase of mitosis is occurring in the cell indicated by the arrow?
1
60 sec
BIOL.5a
Q.
Which of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?
2
60 sec
BIOL.5a
Q.
Checkpoints occur between the stages of the cell cycle. If a cell does not meet certain criteria at the end of a stage, it will not move to the next stage. Which of these occurs just before the cell enters the G2 stage of the cell cycle?
3
60 sec
BIOL.5a
Q.
Telophase is a stage of a cellular process that begins after the chromosomes have moved to opposite poles of the cell. During which cellular process does telophase occur?
4
60 sec
BIOL.5a
Q.
The model represents the change in the DNA content of a cell during the cell cycle. Which part of the model represents the S phase?
5
60 sec
BIOL.5a
Q.
Scientists can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. This bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is -
6
60 sec
BIOL.5a
Q.
The diagram shows cells in different phases of mitosis. A student is trying to find a cell in a particular phase of mitosis. The student is looking for evidence that spindle fibers are separating the chromosomes to ensure that each new nucleus has one copy of each chromosome. Which cell is in the phase of mitosis that the student is searching for?
7
60 sec
BIOL.5a
Q.
8
60 sec
BIOL.5a
Q.
Part of the cell cycle is shown in this simplified model. This part of the cell cycle is best described as the process that -
9
60 sec
BIOL.5a
Q.
People who have leukemia, a cancer that affects white blood cells, are often given Cytarabine. This drug inhibits the synthesis of DNA. Which phase of the cell cycle is most affected by Cytarabine?
10
60 sec
BIOL.5a
Q.
The activities in the cell cycle occur during specific phases. In which phase of the cell cycle is DNA replicated?
11
60 sec
BIOL.5a
Q.
This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
