Podcast
Questions and Answers
During DNA replication, what is the role of the enzyme DNA polymerase?
During DNA replication, what is the role of the enzyme DNA polymerase?
- Sealing the gaps between DNA fragments on the lagging strand
- Adding nucleotides to the new DNA strand (correct)
- Unwinding the DNA double helix
- Proofreading the DNA sequence for errors
What is the significance of 'semi-conservative' DNA replication?
What is the significance of 'semi-conservative' DNA replication?
- The replicated DNA consists of two original strands.
- The replicated DNA is discarded after one round of replication.
- The replicated DNA consists of one original strand and one new strand. (correct)
- The replicated DNA consists of two completely new strands.
Which of the following best describes the main outcome of mitosis?
Which of the following best describes the main outcome of mitosis?
- Production of genetically diverse daughter cells
- Formation of two genetically identical daughter cells (correct)
- Reduction of chromosome number by half
- Exchange of genetic material between homologous chromosomes
During which phase of the cell cycle does DNA synthesis primarily occur?
During which phase of the cell cycle does DNA synthesis primarily occur?
In what stage of mitosis do the chromosomes line up along the metaphase plate (equator) of the cell?
In what stage of mitosis do the chromosomes line up along the metaphase plate (equator) of the cell?
What is the term for a segment of DNA that codes for a specific trait?
What is the term for a segment of DNA that codes for a specific trait?
Where is DNA primarily located within a eukaryotic cell?
Where is DNA primarily located within a eukaryotic cell?
What are the building blocks (monomers) of both DNA and RNA?
What are the building blocks (monomers) of both DNA and RNA?
What type of chemical bonds holds amino acids together in a protein?
What type of chemical bonds holds amino acids together in a protein?
What is the purpose of transcription in protein synthesis?
What is the purpose of transcription in protein synthesis?
If a cell with an initial internal solute concentration of 0.5M is placed in a solution with a solute concentration of 0.3M, what osmotic process will occur?
If a cell with an initial internal solute concentration of 0.5M is placed in a solution with a solute concentration of 0.3M, what osmotic process will occur?
If a microscope has an ocular lens with a magnification of 10x and an objective lens with a magnification of 40x, and is then changed to a 60x objective lens, what is the percentage increase in total magnification?
If a microscope has an ocular lens with a magnification of 10x and an objective lens with a magnification of 40x, and is then changed to a 60x objective lens, what is the percentage increase in total magnification?
A cube-shaped cell increases in size from 5 m to 15 m. How does the surface area to volume ratio change?
A cube-shaped cell increases in size from 5 m to 15 m. How does the surface area to volume ratio change?
A Lugol's test is performed on an unknown solution, and the solution turns a dark blue-black color. What molecule is most likely present in the solution?
A Lugol's test is performed on an unknown solution, and the solution turns a dark blue-black color. What molecule is most likely present in the solution?
In the context of anatomical directional terms, which of the following statements is correct?
In the context of anatomical directional terms, which of the following statements is correct?
During which phase of mitosis are sister chromatids separated and pulled to opposite poles of the cell?
During which phase of mitosis are sister chromatids separated and pulled to opposite poles of the cell?
Which of the following cellular structures is primarily responsible for the synthesis of proteins?
Which of the following cellular structures is primarily responsible for the synthesis of proteins?
What is the function of the diaphragm?
What is the function of the diaphragm?
A scientist is observing a cell under a microscope and notices that the chromosomes are aligned along the metaphase plate. Which stage of mitosis is the cell in?
A scientist is observing a cell under a microscope and notices that the chromosomes are aligned along the metaphase plate. Which stage of mitosis is the cell in?
A researcher is studying a cell undergoing mitosis and observes that the nuclear envelope is reforming and the chromosomes are decondensing. Which phase of mitosis is the cell in?
A researcher is studying a cell undergoing mitosis and observes that the nuclear envelope is reforming and the chromosomes are decondensing. Which phase of mitosis is the cell in?
Which of the following describes a structure that is located towards the front of the body?
Which of the following describes a structure that is located towards the front of the body?
Which organelle is responsible for generating ATP (adenosine triphosphate), the primary energy currency of the cell?
Which organelle is responsible for generating ATP (adenosine triphosphate), the primary energy currency of the cell?
Which of the following best defines 'resolution' in the context of microscopy?
Which of the following best defines 'resolution' in the context of microscopy?
What event characterizes prophase?
What event characterizes prophase?
If a female's arm measures 65 cm in length, and a male's arm measures 70 cm, what is the approximate percentage difference in arm length between the male and the female?
If a female's arm measures 65 cm in length, and a male's arm measures 70 cm, what is the approximate percentage difference in arm length between the male and the female?
A cell is placed in a solution and neither shrinks nor swells. What is the tonicity of the solution relative to the cell?
A cell is placed in a solution and neither shrinks nor swells. What is the tonicity of the solution relative to the cell?
Which of the following cavities contains the heart and lungs?
Which of the following cavities contains the heart and lungs?
Which of the following characteristics is NOT part of metaphase?
Which of the following characteristics is NOT part of metaphase?
Which of the following cellular components is directly involved in cell division by organizing the mitotic spindle?
Which of the following cellular components is directly involved in cell division by organizing the mitotic spindle?
Which of the following statements correctly describes the relationship between chromosomes and chromatids?
Which of the following statements correctly describes the relationship between chromosomes and chromatids?
If a microscope has a field of view with a diameter of 2 mm at 100x magnification, what would be the approximate field of view diameter when the magnification is increased to 400x?
If a microscope has a field of view with a diameter of 2 mm at 100x magnification, what would be the approximate field of view diameter when the magnification is increased to 400x?
Which instrument is best suited for separating molecules based on their size and charge?
Which instrument is best suited for separating molecules based on their size and charge?
Which of the following best describes the position of the mediastinum?
Which of the following best describes the position of the mediastinum?
A dialysis bag containing a 2M salt solution is placed in a beaker containing distilled water. Which of the following will occur?
A dialysis bag containing a 2M salt solution is placed in a beaker containing distilled water. Which of the following will occur?
In what region of the body is the stomach located?
In what region of the body is the stomach located?
Which plane divides the body into superior and inferior portions?
Which plane divides the body into superior and inferior portions?
Which of the following statements correctly describes the use of a reagent in a laboratory setting?
Which of the following statements correctly describes the use of a reagent in a laboratory setting?
What is the primary function of the Golgi apparatus?
What is the primary function of the Golgi apparatus?
Which of the following cavities houses the spinal cord?
Which of the following cavities houses the spinal cord?
If the diameter of a spherical cell is 20 m, what is its surface area?
If the diameter of a spherical cell is 20 m, what is its surface area?
A substance is transported across a cell membrane against its concentration gradient, requiring energy input. Which transport mechanism is most likely involved?
A substance is transported across a cell membrane against its concentration gradient, requiring energy input. Which transport mechanism is most likely involved?
In cells lacking a nucleus, where is the DNA primarily located?
In cells lacking a nucleus, where is the DNA primarily located?
What is the role of fibers during mitosis?
What is the role of fibers during mitosis?
A researcher observes a cell undergoing cell division and notices the formation of a cleavage furrow. What type of cell is most likely being observed?
A researcher observes a cell undergoing cell division and notices the formation of a cleavage furrow. What type of cell is most likely being observed?
Which of the following laboratory instruments is most suitable for separating cellular components based on their density by spinning them at high speeds?
Which of the following laboratory instruments is most suitable for separating cellular components based on their density by spinning them at high speeds?
How does an increase in magnification affect depth of field?
How does an increase in magnification affect depth of field?
What is the purpose of using different stains in microscopy?
What is the purpose of using different stains in microscopy?
Which cellular process involves the movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration?
Which cellular process involves the movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration?
Which of the following statements accurately describes the location of surface body parts?
Which of the following statements accurately describes the location of surface body parts?
How does the size of a cell affect its ability to efficiently transport nutrients and waste?
How does the size of a cell affect its ability to efficiently transport nutrients and waste?
What is the purpose of a control group in an experiment?
What is the purpose of a control group in an experiment?
Flashcards
How does DNA replicate?
How does DNA replicate?
DNA replication is semiconservative. Each original strand serves as a template for a new strand. The result is two DNA molecules, each with one original and one new strand.
Define: Semiconservative Replication
Define: Semiconservative Replication
Semiconservative replication means each new DNA molecule contains one original strand and one newly synthesized strand.
What is mitosis?
What is mitosis?
Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Two parts of the cell cycle
Two parts of the cell cycle
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Which part of the cell cycle makes DNA?
Which part of the cell cycle makes DNA?
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Cell cycle stage for chromosome alignment at the equator?
Cell cycle stage for chromosome alignment at the equator?
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A segment of DNA is called a...
A segment of DNA is called a...
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DNA in a nucleus is called...
DNA in a nucleus is called...
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What are DNA and RNA made of?
What are DNA and RNA made of?
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What are the 3 parts of a nucleotide/ DNA?
What are the 3 parts of a nucleotide/ DNA?
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What is a microscope?
What is a microscope?
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What are anatomical planes?
What are anatomical planes?
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What are body cavities?
What are body cavities?
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What is a dialysis bag?
What is a dialysis bag?
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What is osmosis?
What is osmosis?
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What does hypertonic mean?
What does hypertonic mean?
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What does hypotonic mean?
What does hypotonic mean?
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What is the mediastinum?
What is the mediastinum?
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What is resolution?
What is resolution?
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What is anatomical position?
What is anatomical position?
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What is a system in the body?
What is a system in the body?
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What is an organ?
What is an organ?
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What are organelles?
What are organelles?
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What does superior mean?
What does superior mean?
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What does inferior mean?
What does inferior mean?
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What is a centriole?
What is a centriole?
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What are fibers inside a cell?
What are fibers inside a cell?
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What is a chromatid?
What is a chromatid?
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What is cleavage?
What is cleavage?
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What is Lugol's test?
What is Lugol's test?
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What is the resolution of a microscope objective?
What is the resolution of a microscope objective?
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Study Notes
- Label cells, microscopes, regions, and planes.
- Identify cavities and surface body parts.
- Recognize instruments like dialysis bags and understand Mitosis.
- Define terms such as cell, passive transport, posterior, osmosis, hypertonic, hypotonic, mediastinum, mitosis, resolution, and anatomical position in one complete sentence.
- Understand systems, organs, and functions, focusing on organ location, systems, organs, and the location and functions of cavities.
- Summarize Lab 3.
- Understand the organelles and their functions.
- Understand the functions and terms related to the microscope and lab procedures.
- Define directional terms like superior/inferior.
- Describe the stages of Mitosis, including the roles of centrioles, fibers, and the differences between chromosome and chromatid, and cleavage.
- Recall Lab 3 results, like Lugol's test for starch (blue-black color), including the molecule being tested, the reagent used, and a positive result.
- Calculate total magnification.
- Calculate magnification, surface area/volume of a cube, and estimate arm length for females/males
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Description
Explore cell structure and function including DNA replication, mitosis, and the cell cycle including growth and synthesis. Learn about chromosomes, genes, nucleotides, and the roles of DNA and RNA in protein synthesis. Understand the significance of semi-conservative replication and cell division processes.
