The Cell And Cell Cycle

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| By Colleennicole

Colleennicole

Community Contributor

Quizzes Created: 21 | Total Attempts: 35,736

Questions: 7 | Attempts: 59 | Updated: May 18, 2023

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Questions and Answers

1.

Animal cells are prokaryotic.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Animal cells have one thing in common. They are all eukaryotic cells, meaning a nucleus is present.

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2.

Nucleoli are RNA rich areas which produce ______________.

Correct Answer
ribosomes
Ribosomes

Explanation
Nucleoli are specialized regions within the nucleus of a cell that are rich in RNA. They are responsible for the production of ribosomes, which are essential cellular structures involved in protein synthesis. Ribosomes play a crucial role in translating the genetic information encoded in mRNA into functional proteins. Therefore, the correct answer is ribosomes.

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4
3.

What are functions of the cell membrane?
- A.
  
  Keep any substance from entering the cell.
- B.
  
  The location for cellular metabolic processes.
- C.
  
  Determines what may enter or exit the cell.
- D.
  
  Forms the boundary of the cell.
Correct Answer(s)
C. Determines what may enter or exit the cell.
D. Forms the boundary of the cell.

Explanation
The cell membrane has multiple functions. It forms the boundary of the cell, separating the internal environment from the external environment. It also determines what substances are allowed to enter or exit the cell, regulating the transport of molecules in and out of the cell.

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4.

Most cellular metabolic process take place in the ___________.

Correct Answer(s)
cytoplasm
Cytoplasm

Explanation
It consists mostly of water, and substances found outside of the nucleus.

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4
5.

The three main areas of the cell cycle are:
- A.
  
  Cytokinesis
- B.
  
  Meiosis
- C.
  
  Mitosis
- D.
  
  Interphase
- E.
  
  Anatelophase
Correct Answer(s)
A. Cytokinesis
C. Mitosis
D. Interphase

Explanation
The three main areas of the cell cycle are cytokinesis, mitosis, and interphase. Cytokinesis is the final stage of the cell cycle where the cytoplasm divides and two daughter cells are formed. Mitosis is the process of cell division where the nucleus divides into two identical sets of chromosomes. Interphase is the longest phase of the cell cycle where the cell prepares for division by growing, replicating DNA, and carrying out normal cellular functions. Anatelophase is not a recognized term or stage in the cell cycle.

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6.

During Interphase:
- A.
  
  Cell division occurs.
- B.
  
  The cell grows and prepares for division.
- C.
  
  Chromatids are pulled apart and move in opposite directions.
- D.
  
  The Chromatids line up in the middle of the cell.
Correct Answer
B. The cell grows and prepares for division.

Explanation
During interphase, the cell undergoes growth and prepares for division. This is the phase before actual cell division occurs. The cell replicates its DNA and organelles, ensuring that each daughter cell will receive a complete set of genetic material. It also increases in size to accommodate the upcoming division. Therefore, the statement "The cell grows and prepares for division" accurately describes the activities that take place during interphase.

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7.

When each chromosome is replicated and exists as 2 identical copies, these copies are called _______ _________.

Correct Answer
sister chromatids
Sister Chromatids

Explanation
When each chromosome is replicated and exists as 2 identical copies, these copies are called sister chromatids. Sister chromatids are formed during the S phase of the cell cycle, where the DNA is replicated. These identical copies are held together by a structure called the centromere. Sister chromatids are important for cell division, as they separate during mitosis or meiosis, ensuring that each daughter cell receives a complete set of chromosomes.

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4

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Current Version
May 18, 2023

Quiz Edited by
ProProfs Editorial Team
Aug 30, 2010

Quiz Created by
Colleennicole

The Cell And Cell Cycle

Animal cells are prokaryotic.

Nucleoli are RNA rich areas which produce ______________.

What are functions of the cell membrane?

Most cellular metabolic process take place in the ___________.

The three main areas of the cell cycle are:

During Interphase:

When each chromosome is replicated and exists as 2 identical copies, these copies are called _______ _________.

When each chromosome is replicated and exists as 2 identical copies, these copies are called _ ___.