Cell Structure & Function Quiz PCB3134

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Questions and Answers

Which of these email addresses should be used to reach the instructor with a question when including 'PCB3134' in the subject line?

Which of the following is a scheduled office hour for one of the Learning Assistants?

  • Thursdays 10:00 AM - 12:00 PM
  • Fridays 3:30 PM - 4:30 PM (correct)
  • Mondays 3:00 PM - 4:00 PM
  • Wednesdays 1:15 PM - 2:15 PM

According to the course objectives, which of the following statements is most accurate?

  • The course emphasizes practical laboratory skills over theoretical concepts
  • The course primarily aims to prepare students for chemistry related careers
  • The course focuses on detailed knowledge of ecological systems
  • The course is designed to help students understand eukaryotic cell biology and prepare for standardized tests (correct)

Which of the following is NOT mentioned as a general property of life from the list provided?

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

Which course is explicitly listed as the most useful in preparation for the course, besides the required ones?

<p>PCB3063 (C)</p> Signup and view all the answers

What percentage of the final grade is determined by the five unit exams?

<p>80% (C)</p> Signup and view all the answers

If a student scores between 87 and 89.99 total points, what letter grade will they receive?

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

What is the total point value allocated to the in-class assignments?

<p>40 points (A)</p> Signup and view all the answers

Besides attending class, what else must students do to potentially earn extra credit points through in-class activities?

<p>Answer every question and also provide the correct answer (D)</p> Signup and view all the answers

What type of questions can students expect on the unit exams?

<p>A mix of multiple choice, True/False and short answer questions (D)</p> Signup and view all the answers

How many points is the final exam (E5) worth?

<p>40 points (A)</p> Signup and view all the answers

What is the best strategy to ensure exam success, according to the syllabus?

<p>Attend lectures, supplement with textbook readings and practice (B)</p> Signup and view all the answers

What is the total number of points available in the course?

<p>105 points (C)</p> Signup and view all the answers

Which of the following best describes the function of macromolecules within a cell?

<p>To make up the cell and perform its functions. (A)</p> Signup and view all the answers

What is the primary purpose of cellular compartmentalization?

<p>To isolate molecules for specific functions. (B)</p> Signup and view all the answers

Which cellular process is directly associated with ATP synthesis?

<p>Cellular energetics such as glycolysis and fermentation. (C)</p> Signup and view all the answers

What is the main function of the cell cytoskeleton, extracellular matrix, and cell junctions?

<p>To transport cells and molecules within cells, facilitating movement. (D)</p> Signup and view all the answers

Which of the following best describes the role of DNA in the cell?

<p>To be the central information center of the cell. (D)</p> Signup and view all the answers

What is the purpose of DNA replication in a cell cycle?

<p>To conserve and copy information for progeny. (B)</p> Signup and view all the answers

What cellular process is involved in converting genetic information into proteins?

<p>Gene expression, involving transcription, RNA processing, and translation. (B)</p> Signup and view all the answers

Why is the regulation of gene expression essential for the cell?

<p>To maintain self-identity and respond to environmental cues. (A)</p> Signup and view all the answers

According to the presented information, what is a recommended strategy for improving memory and understanding of the course material?

<p>Writing notes by hand during the lecture and reviewing them later. (A)</p> Signup and view all the answers

If a student feels uncomfortable answering a question during the class, who should they call upon according to the guidelines?

<p>Ricardo-Henriques-Carcamo-Hernandez. (D)</p> Signup and view all the answers

What was the primary contribution of Anton van Leeuwenhoek to the field of cell biology?

<p>Improving the microscope and observing single-cell microorganisms. (A)</p> Signup and view all the answers

What is the main purpose of the short break during the class?

<p>For students to familiarize themselves with their LA and give contact details. (C)</p> Signup and view all the answers

According to content provided, which was the main contribution of Virchow to cell theory?

<p>All cells arise from existing cells. (A)</p> Signup and view all the answers

Which scientific approach focuses primarily on the identification of molecules and their functions?

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

What technique is primarily used in biochemistry to separate different macromolecules?

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

Which statement correctly summarizes the central dogma of molecular biology?

<p>DNA translates to RNA, which translates to proteins. (C)</p> Signup and view all the answers

Which microscopy technique allows us to visualize atomic structures in biomolecules?

<p>Cryo-Electron Microscopy (D)</p> Signup and view all the answers

Who proposed the double helix model for DNA structure?

<p>James Watson and Francis Crick (C)</p> Signup and view all the answers

What is the primary purpose of recombinant DNA technology?

<p>To cut DNA and create hybrid sequences (D)</p> Signup and view all the answers

Which of the following is NOT a focus of the genetics strand in modern cell biology?

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

What is the main outcome of mass spectrometry in biochemistry?

<p>Determining size and composition of proteins (A)</p> Signup and view all the answers

Which method is used for analyzing interactions among proteins in a cell?

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

Which of these describes transcriptomics in cell biology?

<p>Study of all the genes transcribed in a cell (D)</p> Signup and view all the answers

Flashcards

Movement

The ability to change position or location, either independently or through internal movement.

Duplicate

The process by which living things produce offspring, ensuring the continuation of their species.

Growth

An increase in size or mass, often accompanied by an increase in complexity.

Translate

The process of converting genetic information encoded in DNA or RNA into functional proteins.

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Co-operate

The ability of living organisms to work together in complex systems, leading to greater complexity and functionality.

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Macromolecules

Large molecules essential for cell structure and function. Examples include proteins, nucleic acids, carbohydrates, and lipids.

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Organelles

Specialized compartments within cells that perform specific functions, like energy production or protein synthesis.

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Cell membrane

The outermost layer of a cell, regulating what enters and exits. It's made of a phospholipid bilayer.

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Fermentation

The process of breaking down glucose to generate energy (ATP) in the form of ATP, even without oxygen.

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Cell signaling

The process of transmitting signals between cells, allowing communication and coordination.

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Cytoskeleton

A network of protein fibers that provides structural support and enables movement within cells.

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Transcription

The process of copying DNA into RNA.

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Translation

The process of converting genetic information in mRNA into a protein.

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What is the core idea of the Cell Theory?

All living organisms are made up of one or more cells. Cells are the fundamental building blocks of life.

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What did Virchow add to the Cell Theory?

This theory states that all new cells arise from pre-existing cells through cell division.

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What tools did Hooke and Leeuwenhoek use to study cells?

A microscope allows you to see the minute structures within cells that are invisible to the naked eye.

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How can learning assistants help you?

You can contact your learning assistant for clarification on specific concepts or to bridge gaps in your understanding.

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What is the best way to take notes?

Taking notes by hand helps in better understanding and retaining information than typing notes.

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Grade Breakdown

The overall score you need for a particular letter grade in the class. For example, 93-100 points earns you an A.

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Key Concepts

The most important ideas and information covered in the course that are likely to be tested on exams.

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Unit Exams

Short, focused tests covering material from the class lectures. They are designed to assess understanding of essential concepts.

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Reading/Writing Assignments

Assignments that involve reading and writing to help deepen your understanding of the course material.

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In-Class Activities

Small, informal activities that can be done in class to improve your understanding and engagement with the material.

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Summary of Scores

The points earned on each type of assessment, showing their relative weight in the overall grade.

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Full Points in any exam

The highest possible score a student can achieve on an exam. This signifies exceptional understanding of the material.

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Assessment Weight

The proportion of your final grade determined by each assessment category. For example, Unit Exams contribute 80% to the total grade.

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What is Cell Biology?

The study of the basic building blocks of life – cells. It explores both the cell's internal structures and their functions.

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What is Cytology?

This strand of cell biology emphasizes the use of microscopes and imaging techniques to investigate the intricate structures of cells.

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What is Biochemistry?

This strand of cell biology investigates the chemical processes taking place within cells. It focuses on molecules, their structures, and how they interact.

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What is Genetics?

This strand of cell biology examines how genetic information is passed from one generation to the next. It encompasses the study of DNA, RNA, and the processes of replication, transcription, and translation.

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What is the Cell Theory?

This influential theory in biology states that all living cells arise from pre-existing cells.

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What are microscopes?

These are microscopic tools that magnify objects beyond the limits of human vision, allowing researchers to observe the fine details of cellular structures.

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What is light microscopy?

This type of microscopy utilizes visible light to illuminate and magnify specimens, providing a general overview of cell structure.

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What is electron microscopy?

This powerful microscopy technique employs beams of electrons to produce highly detailed images of cellular structures, revealing even smaller components.

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What is subcellular fractionation?

This technique separates different cellular components based on their density. It allows researchers to isolate specific organelles and molecules for further analysis.

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What is electrophoresis?

This technique uses an electric field to separate molecules based on their size and charge. It is a powerful tool for analyzing proteins, DNA, and RNA.

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Study Notes

Course Information

  • Course Title: Cell Structure & Function
  • Course Code: PCB3134
  • Instructor: Dr. Ashwanth Francis, Ph.D.
  • Teaching Assistant: Jonathan Andino
  • Meeting Time: Mondays and Wednesdays 3:00 PM - 4:20 PM
  • Location: WJB 2004
  • Office Hours:

Learning Assistants (LAs)

Course Description & Objectives

  • Objective 1: Introduce the organization and functional mechanisms of eukaryotic cells.
  • Objective 2: Describe the parts of cells in relation to current cell biology.
  • Objective 3: Provide self-education opportunities in the rapidly developing field of cell biology.
  • Objective 4: Cover key concepts frequently appearing in standardized tests (MCAT and GRE subject tests).

Course Requirements

  • Prerequisites: BSC2010, BSC2011, BSC2011L, CHM1046 (PCB3063 Genetics recommended)

Essential Life Properties

  • Movement
  • Duplication
  • Growth
  • Translation
  • Cooperation
  • Environment modification
  • Environment response

Course Overview - Content

  • Macromolecules: Proteins, nucleic acids, polysaccharides, lipids, enzymes.
  • Cells & Organelles: Cellular component structures, function, and transport.
  • Cellular Energetics: Glycolysis, fermentation, and aerobic fermentation.
  • Cell Signaling: Cytoskeleton, cell mobility, extracellular matrix, and cell junctions.
  • DNA & The Nucleus: DNA replication, cell cycle, mitosis, meiosis, gene expression, transcription and RNA processing, translation and protein sorting, regulation of gene expression.

Course Schedule

  • The schedule outlines dates, days, topics, and assigned portions from the textbook.
  • Exams are scheduled.

Course Grading

  • Exams: Five Unit Exams (160 points total), 80% of the grade. Exam format includes multiple choice, true/false, and short answer.
  • Reading Assignments: 3 in-class reading/writing assignments (40 points total), 20% of the grade. Assignments cover in-class material. Full points expected.
  • In-class Activities: Additional in-class activities/questions (20 points total), 5% of grade. Points awarded for attending class, answering questions, and correct answers.

How to study

  • Lectures are recorded and posted after class.
  • Follow the slides.
  • Take detailed notes, including additional research.
  • Re-read notes and review the subject matter.
  • Utilize Learning Assistants
  • Study for exams

Additional Information

  • Course materials are available on Canvas.

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