Biology Cell Cycle and Programming Languages Quiz

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Questions and Answers

Which of the following best describes Python's primary usage?

  • General-purpose programming (correct)
  • Styling web pages
  • Database queries
  • Client-side scripting for web applications

CSS is primarily used for database queries.

False (B)

What type of scripting is JavaScript primarily used for?

Client-side scripting for web applications

SQL is primarily used for _____ queries.

<p>database</p> Signup and view all the answers

Match the following programming languages with their primary usages:

<p>Python = General-purpose programming JavaScript = Client-side scripting for web applications SQL = Database queries CSS = Styling web pages</p> Signup and view all the answers

What is the primary purpose of the cell cycle in an organism?

<p>To grow, develop, and reproduce cells (A)</p> Signup and view all the answers

Interphase makes up the shortest phase of the cell cycle.

<p>False (B)</p> Signup and view all the answers

Name the three stages that occur during interphase.

<p>G1 stage, S stage, G2 stage</p> Signup and view all the answers

Sister chromatids are held together by a structure called the ______.

<p>centromere</p> Signup and view all the answers

Match the following phases of interphase with their main activities:

<p>G1 stage = Rapid growth and development S stage = Replication of DNA G2 stage = Preparation for mitosis</p> Signup and view all the answers

Which phase of interphase is the longest?

<p>G1 Phase (D)</p> Signup and view all the answers

During the S Phase, DNA is duplicated.

<p>True (A)</p> Signup and view all the answers

What happens during the G2 Phase of interphase?

<p>The cell continues growing and synthesizes proteins needed for cell division.</p> Signup and view all the answers

In the G1 Phase, the cell ______ its organelles and increases its protein supply.

<p>doubles</p> Signup and view all the answers

What is the primary purpose of the S Phase in the cell cycle?

<p>DNA replication (A)</p> Signup and view all the answers

Interphase is the shortest phase of the cell cycle.

<p>False (B)</p> Signup and view all the answers

What occurs during the G₁ Phase?

<p>Rapid cell growth and organelle processes</p> Signup and view all the answers

The phase of the cell cycle where the nucleus divides into two nuclei is called ____.

<p>Mitosis</p> Signup and view all the answers

Match the following phases of Mitosis to their descriptions:

<p>Prophase = Chromosomes condense and become visible Metaphase = Chromosomes align at the cell's equator Anaphase = Sister chromatids separate to opposite sides Telophase = Nuclear membranes start to reform</p> Signup and view all the answers

What is the correct order of the phases in the cell cycle?

<p>Interphase, Mitosis, Cytokinesis (C)</p> Signup and view all the answers

Sister chromatids are identical copies of different chromosomes.

<p>False (B)</p> Signup and view all the answers

What is the primary function of the centromere during cell division?

<p>To hold sister chromatids together.</p> Signup and view all the answers

During the cell cycle, the division of the cytoplasm is known as _____ .

<p>cytokinesis</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Interphase = The period of DNA replication and growth before mitosis Mitosis = The process of chromosome separation and cell division Eukaryotic = Cells that contain a nucleus and organelles Daughter cells = The two new cells formed after division</p> Signup and view all the answers

Which stage of mitosis is characterized by chromosomes aligning along the middle of the cell?

<p>Metaphase (D)</p> Signup and view all the answers

The nucleolus and nucleus reappear during the anaphase stage.

<p>False (B)</p> Signup and view all the answers

What happens to DNA during prophase?

<p>DNA condenses into chromosomes (sister chromatids).</p> Signup and view all the answers

During cytokinesis, animal cells __________ apart, while plant cells form a cell plate.

<p>pinch</p> Signup and view all the answers

Match the following stages of mitosis with their descriptions:

<p>Prophase = Nucleus disappears, DNA condenses Metaphase = Chromosomes align in the middle Anaphase = Chromosomes move towards poles Telophase = Chromosomes unwind, nuclear membrane reappears</p> Signup and view all the answers

Flashcards

What is the G1 phase?

The longest phase of interphase during which the cell grows and doubles its organelles and proteins.

What is the S phase?

The phase where DNA is duplicated, leading to two identical copies of each chromosome.

What is the G2 phase?

The final stage of interphase where the cell continues to grow and synthesizes proteins necessary for cell division.

What is interphase?

The period in the cell cycle when the cell is not actively dividing.

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What is the cell cycle?

The entire process of cell growth and division, including interphase and cell division.

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G₀ Phase (Go Phase)

This is the phase where the cell is not dividing and is not preparing to divide.

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G₁ Phase

This is the longest part of interphase, where the cell grows rapidly and all of its organelles continue their processes.

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S Phase

This is the phase where the cell's DNA is duplicated, ensuring that each daughter cell receives a complete copy of the genetic code.

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G₂ Phase

This is the phase where the cell continues growing and prepares for mitosis, the actual division of the nucleus.

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M Phase (Mitosis)

This is the phase where the nucleus of the cell divides into two identical nuclei.

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What is mitosis?

The process of a cell reproducing itself, often with four distinct stages (prophase, metaphase, anaphase, and telophase).

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What are sister chromatids?

The two identical strands of DNA that make up a duplicated chromosome, joined at the centromere.

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What is the centromere?

The structure that holds sister chromatids together, also serving as the attachment point for spindle fibers during cell division.

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Cell cycle

The process where a cell grows, replicates its DNA, and divides into two daughter cells.

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Cytokinesis

The division of the cytoplasm after mitosis, creating two new cells.

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Sister chromatids

Identical copies of a single chromosome held together at the centromere.

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Centromere

Specialized structure holding sister chromatids together.

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Interphase

The period in the cell cycle when the cell grows, and DNA replicates before mitosis.

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Metaphase

The duplicated chromosomes line up at the center of the cell, forming the metaphase plate. Spindle fibers attach to the centromeres of the chromosomes, ensuring proper separation during the next stage.

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Telophase

The nuclear envelope reforms around each set of chromosomes, forming two distinct nuclei. The chromosomes uncoil and become less visible, and the spindle fibers disappear.

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