Intermediate filaments Study guides, Revision notes & Summaries
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BIOL 266 DETAILED FINAL NOTES| CONCORDIA UNIVERSITY|UPDATED 2024/2025
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BIOL 266 DETAILED FINAL NOTES| 
CONCORDIA UNIVERSITY|UPDATED 
2024/2025 
UNIT 9.0 – THE CYTOSKELETON 
Two functions of the cytoskeleton: 
1. Provides structural framework for the cell,serving as a scaffold that determines cell shape and 
the general organisation of the cytoplasm. 
2. Responsible for the movements of the entire cells and for the internal transport of organelles 
and other structures (such as mitotic chromosomes) through the cytoplasm. 
The cytoskeleton is composed of 3 principa...
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PCAT Pearson Biology Section Exam 2023
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Cell Theory - ANSWER-Discovered in the 17th century 
1. All living things are composed of cells 
2. The cell is the basic unit of life 
3. The chemical reactions of life take place inside the cell 
4. Cells arise from only preexisting cells 
5. Cells carry genetic information in the form of DNA. This genetic material is passed from parent cell to daughter cell 
 
6 Kingdoms - ANSWER-Bacteria, Archaea, Protista, Fungi, Plantae, and Animalia 
 
Prokaryotic - ANSWER-"before nucleus", lacks a memb...
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Cell Biology Chapter 17 Test Bank, Best Analyzed Correct Questions and Answers 100% Graded A+, 2024
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Which of the following statements about the cytoskeleton is false? 
(a) The cytoskeleton is made up of three types of protein filaments. 
(b) The cytoskeleton controls the location of organelles in eukaryotic cells. 
(c) Covalent bonds between protein monomers hold together cytoskeletal 
filaments. 
(d) The cytoskeleton of a cell can change in response to the environment. - CORRECT ANSWER-(c) Covalent bonds between protein monomers hold together cytoskeletal filaments. 
 
Which of the following ...
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Science Bowl Biology Exam Questions With Verified And Updated Answers
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Science Bowl Biology Exam Questions With 
Verified And Updated Answers 
The purine bases are: 
A. adenine and guanine 
B. adenine and cytosine 
C. thymine and cytosine 
D. uracil, thymine, 
and cytosine - answerA 
2. Four chromatids would be considered a: 
A. mutation 
B. non-disjunction 
C. tetrad 
D. synapses - answerC 
3. Which of the following is NOT in the class insecta: 
A. bees 
B. moths 
C. fireflies 
D. spiders - answerD 
4. Plant cells differ from animal cells in that only plant cells ...
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version.
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version. 
1. Why is myelin important in the nervous system? 
A. It allows signals to travel faster along axons because depolarization occurs only at myelinated 
locations. 
B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. 
C. It bundles the dendrites of adjacent neurons together. 
D. It increases capacitance across the cell membrane, which helps electrical signals to le...
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Duquesne bio exam 3 (Graded A+ actual test)
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cells - Answer-smallest thing in organism 
tissues - Answer-made up of cells. ex muscles tissues 
organs - Answer-made up of different tissues 
Microtubules - Answer-Size: Biggest 
Protein Compostion: Tubulin(alpha beta) 
Growth: - to + 
Motor protein: Kinesin/dynein 
Role: Cell division/Dynamic instability 
Intermediate Filaments - Answer-Size: Middle 
Protein Composition: Varies by tissue and animal 
Growth: n/a 
Motor Proteins: n/a 
Role: cell to cell matrix support 
Microfilaments - Answer-S...
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version.
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USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version. 
1. Why is myelin important in the nervous system? 
A. It allows signals to travel faster along axons because depolarization occurs only at myelinated 
locations. 
B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. 
C. It bundles the dendrites of adjacent neurons together. 
D. It increases capacitance across the cell membrane, which helps electrical signals to le...
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BIO 333 EXAM 1 Questions And Answers Latest 2024/2025 (100% Correct)
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BIO 333 EXAM 1 Questions And Answers Latest 2024/2025 (100% Correct) What size is larger? 
100um or 1nm - Answer 100um 
what size is larger? 
10mm or 0.001m - Answer 10mm 
what size is larger? 
10nm or 0.1um - Answer 0.1 um 
Put in order from largest to smallest. 
bacterial cell 
ribosome 
nucleus 
o2 
eukaryotic cell - Answer eukaryotic cell 
bacterial cell 
nucleus 
ribosome 
O2 
Components of a eukayote. - Answer have organelles, membrane bound nucleus, 
24hrs. to divid, epitheal cells, multi...
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Marine Biology 11th Edition by Castr -Test Bank
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Marine Biology, 11e (Castro) 
Chapter 1 The Science of Marine Biology 
1) The Challenger expedition made collections of marine organisms: A) Around the world. 
B) In the Pacific Ocean only. 
C) In the Atlantic Ocean only. 
D) In the Mediterranean Sea only. E) In the North Sea only. 
Answer: A 
Section: 01.01 The Science of Marine Biology Topic: The History of Marine Biology Bloom's: 01. Remember 
2) The first marine laboratory in the world was established in: A) Russia. 
B) England. 
C) France....
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NROS 310 Exam 4 | 75 Questions with 100% Correct Answers | Verified | Latest Update
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What are the three main components of the cytoskeleton and what are their main functions? - 
Microfilaments: made of actin; determines the shape of cell surface and is important for the 
movement of the cell 
Microtubules: made of alpha and beta dimers ; act as tracks for vesicles and other properties to 
move about the cell with motor proteins 
Intermediate filaments: made of various proteins + rope-like fibers; provide mechanical strength 
The actin filament and microtubules carry stuff by "w...
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