Phospholipid bilayer Study guides, Class notes & Summaries
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BIO-1402- CH. 22 the Origin and History of Life Questions and Answers 100% Pass
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BIO-1402- CH. 22 the Origin and History 
of Life Questions and Answers 100% 
 
Pass 
 
Cell Theory 1. All organisms are composed of cells 
2. Cells are the smallest living things 
3. Cells arise only from pre-existing cells 
 
What are the required minimal set of macromolecules protobionts must have? 1. Self- 
replicating lipid vesicles 
 
2. Self-replicating genetic material. 
 
Plausible progression of Cells 1. Formation of organic molecules (spontaneous) 
2. Formation of organic polymers 
3. ...
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PCOL355 Final Test Questions with Correct Answers
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PCOL355 Final Test Questions with Correct Answers 
Which of the following cells secrete anti-coronavirus antibodies? 
-Activated B cells 
-Antigen-presenting cells 
-T-helper cells 
-Cytotoxin T cells - Answer-Activated B cells 
 
PTX-loaded PEG-EB2 had a faster PTX release over Taxol. 
True/False - Answer-False 
 
Pfizer-BioNTech developed Comirnaty, and Moderna developed SPikevas, two widely used COVID-19 nanovaccines using micelles nanoparticles. 
True/False - Answer-False 
 
Centrifugation ...
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IB Bio HL I Semester 1 Exam Review with Certified Solutions
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IB Bio HL I Semester 1 Exam Review 
 
with Certified Solutions 
 
Outline the Cell Theory -All organisms are composed of one or more cells 
-Cells are the smallest unit of life 
-All cells come from pre-existing cells 
 
Discuss the evidence for Cell Theory -Robert Hooke uses microscope to observe living cells 
-Louis Pasteur performs chicken broth experiment to prove that cells come from pre-existing 
cells 
 
Outline the therapeutic uses of stem cells -Implanted stem cells to rebuild brain tis...
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UIUC ANSC 221, Exam II Questions With Verified Answers
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UIUC ANSC 221, Exam II Questions With Verified Answers 
Biological Membranes 
Framework of the membrane is the phospholipid bilayer 
 
 
Hydrophobic 
water fearing region, faces in 
 
 
Hydrophilic 
water living region, faces out 
 
 
Fluid-mosaic model 
membrane is considered a mosaic of lipid, protein, and carbohydrate molecules 
 
 
Integral/Intrinsic membrane proteins 
transmembrane and lipid-anchored proteins 
 
 
Transmembrane proteins 
One or more regions that are physically embedded in t...
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ATI TEAS 7 2023
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Liver cells have an especially large network of _______ because the liver removes 
waste products from the bloodstream 
smooth endoplasmic reticulum 
What is biased language 
excludes or stereotypes people on gender or other physical or mental traits 
What is formal English? 
uses full words, avoiding contractions. If one must use an acronym, it should be 
spelled out first. Uses an objective tone and avoids first- and second-person 
pronouns 
Formal language follows 
conventional rules and is u...
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BIOL 1P91 – Final EXAM .OVER 280 QUESTIONS WITH VERIFIED CORRECT ANSWERS
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BIOL 1P91 – Final EXAM .OVER 280 
QUESTIONS WITH VERIFIED CORRECT 
ANSWERS 
Holds the cell together and controls what goes in and out - 
ANSWER cell membrane 
separates cell contents from the surrounding environment - 
ANSWER plasma membrane 
uptake and export of ions and molecules, cell 
compartmentalization, protein storing, anchoring cytoskeleton, 
production of ATP and NADPH, cell signalling, cell and nuclear 
division, and adhesion of cells to each other and to the 
extracellular...
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IUPUI BIOLOGY K101 FINAL EXAM 2024 WITH 100% CORRECT ANSWERS
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Stanley Miller's 1953 experiments demonstrated conclusively that...Answer - organic molecules can be synthesized abiotically under conditions that may have existed on early Earth. 
 
In a single molecule of water, the two hydrogen atoms are bonded to a single oxygen atom by...Answer - polar covalent bonds 
 
What do the four 'elements of life' -carbon, hydrogen, and nitrogen-have in common?Answer - They all have unpaired electrons in their valence shells. 
 
Water is able to form hydrogen ...
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MIC 205 exam 3 Daydif questions with correct answers
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Viruses are CORRECT ANSWER obligate intracellular parachutes 
 
what do viruses not have CORRECT ANSWER organelles, cytoplasmic membrane, cytosol, can't carry out metabolic reaction, don't grow n size or respond to environment, cannot reproduce independantly 
 
virions CORRECT ANSWER when virus is outside of host 
-possess a protein coat called capsid 
-capsid surround and protects nucleic acid(viral genome) 
 
viral envelope CORRECT ANSWER -present on some animal viruses 
-phospholipid bilaye...
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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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BIO 210 - Chapter 3 Questions and Answers Rated A+
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BIO 210 - Chapter 3 Questions and 
 
Answers Rated A+ 
 
Plasma membrane forms the outer boundary of the cell 
 
Cellular organelles each performs specific functions 
 
Nucleus contains the cell's genetic material and directs cell activities 
 
Cytoplasm the material between the plasma membrane and nucleus 
 
Main functions of cells -cell metabolism and energy release 
-synthesis of molecules 
-communication 
-reproduction and inheritance 
 
Plasma membrane also called the plasmolemma or cell m...
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