Penn foster biology - Study guides, Class notes & Summaries
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Penn Foster Biology; Unit 3 Part 1 Questions and Answers Already Passed
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Penn Foster Biology; Unit 3 Part 1 
Questions and Answers Already Passed 
 
What is the primary function of the cell nucleus? 
 To store genetic material and control cellular activities. 
 
What is the role of the endoplasmic reticulum in a cell? 
 To synthesize and transport proteins and lipids. 
 
What are the two main types of endoplasmic reticulum, and how do they differ? 
 Rough ER has ribosomes on its surface and synthesizes proteins, while Smooth ER lacks 
ribosomes and is involved in lip...
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Penn Foster Biology Test 1 Questions and Answers 100% Pass
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Penn Foster Biology Test 1 Questions 
 
and Answers 100% Pass 
 
What is the term for the process where cells use oxygen to produce energy from nutrients? 
 Aerobic respiration 
 
What type of bond holds the two strands of a DNA molecule together? 
 Hydrogen bonds 
 
Which part of the cell is responsible for maintaining homeostasis by regulating the internal 
environment? 
 
 Cell membrane 
 
What is the role of transfer RNA (tRNA) in protein synthesis? 
 To bring amino acids to the ribosome for...
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Penn Foster Biology Chapter 10 Questions and Answers Rated A+
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Penn Foster Biology Chapter 10 
Questions and Answers Rated A+ 
 
What is the main function of DNA in cells? 
 
 To store and transmit genetic information that guides the development and functioning of 
organisms. 
 
What are the building blocks of DNA called? 
 Nucleotides. 
 
What are the three components of a nucleotide? 
 A phosphate group, a sugar molecule, and a nitrogenous base. 
 
What is the structure of DNA known as? 
 
 A double helix. 
 
Which bases are paired together in DNA? 
 Aden...
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Penn Foster Biology Proctored Exam: Questions And Verified Solutions
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Penn Foster Biology Proctored Exam: Questions And Verified Solutions
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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM- PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) AGRADE.
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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM- PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND 
CORRECT ANSWERS (VERIFIED ANSWERS) AGRADE.
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BIOLOGY PROCTORED EXAM PENN FOSTER 2024-2025 ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND correct answers
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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND correct answers/BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND correct answers
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Penn Foster Biology Exam (Chapters 1-3): Q’s And A’s
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Penn Foster Biology Exam (Chapters 1-3): Q’s And A’s
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Penn Foster Biology Book 1 Questions And Answers Already Passed
- Exam (elaborations) • 7 pages • 2024
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Penn Foster Biology Book 1 Questions 
 
And Answers Already Passed 
 
What is the difference between prokaryotic and eukaryotic cells in terms of genetic material? 
 Prokaryotic cells have their genetic material free-floating in the cytoplasm, while eukaryotic 
cells have it enclosed within a nucleus. 
 
How do enzymes lower the activation energy of a reaction? 
 By providing an alternative reaction pathway with a lower energy requirement. 
 
What role do mitochondria play in cellular metabolism...
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BIOLOGY PROCTORED EXAM PENN FOSTER 2024-2025 ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND CORRECT ANSWERS
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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND CORRECT ANSWERS
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PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) AGRADE
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PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 
200 QUESTIONS AND CORRECT ANSWERS 
(VERIFIED ANSWERS) AGRADE
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