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LIFSCI 7C XL - PEQ Week 1 Questions and Answers Graded A+
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LIFSCI 7C XL - PEQ Week 1 Questions and Answers Graded A+ Question: What is the primary focus of LIFSCI 7C XL - PEQ Week 1? Answer: The primary focus is on understanding fundamental concepts of biological sciences, including cell biology, genetics, and the basic mechanisms of life processe...

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  • August 16, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • lifsci 7c xl peq week 1 questions and answers g

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  • LIFSCI 7C XL - PEQ
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LIFSCI 7C XL - PEQ Week 1 Questions
and Answers Graded A+
Question: What is the primary focus of LIFSCI 7C XL - PEQ Week 1?


Answer: ✔✔ The primary focus is on understanding fundamental concepts of biological

sciences, including cell biology, genetics, and the basic mechanisms of life processes.




Question: What are the key components of a cell that students should identify in Week 1 of

LIFSCI 7C XL?


Answer: ✔✔ Key components include the nucleus, mitochondria, endoplasmic reticulum, Golgi

apparatus, and plasma membrane.




Question: How does the structure of the plasma membrane contribute to its function?


Answer: ✔✔ The plasma membrane's structure, consisting of a phospholipid bilayer with

embedded proteins, allows selective permeability, which regulates the movement of substances

in and out of the cell.




Question: What role do mitochondria play in cellular metabolism?


Answer: ✔✔ Mitochondria are responsible for producing ATP through cellular respiration,

which provides energy for various cellular processes.

1

, Question: Describe the process of protein synthesis and its significance in cellular function.


Answer: ✔✔ Protein synthesis involves transcription of DNA into mRNA, followed by

translation of mRNA into a polypeptide chain at the ribosome. This process is crucial for

producing proteins that perform a variety of functions in the cell.




Question: How does the endoplasmic reticulum contribute to protein and lipid synthesis?


Answer: ✔✔ The endoplasmic reticulum (ER) synthesizes proteins in the rough ER, which has

ribosomes attached, and lipids in the smooth ER, playing a key role in cell metabolism and

growth.




Question: What are the differences between prokaryotic and eukaryotic cells discussed in Week

1?


Answer: ✔✔ Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic

cells have a defined nucleus and organelles such as mitochondria and the endoplasmic reticulum.




Question: Why is understanding cellular transport mechanisms important in cell biology?


Answer: ✔✔ Cellular transport mechanisms, such as diffusion and active transport, are essential

for maintaining homeostasis by regulating the movement of ions, nutrients, and waste products

in and out of the cell.

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