BIOL 212 Study guides, Class notes & Summaries
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![SFSU BIOL 212 Final Exam 2023/2024 with 100% correct answers](/docpics/4001838/6576e56aadae7_4001838_121_171.jpeg)
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SFSU BIOL 212 Final Exam 2023/2024 with 100% correct answers
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Homeostasis refers to maintaining a relatively stable internal environment. The "internal environment" is: 
 
a) the blood cells 
b) body parts beneath the skin 
c) the cytoplasm of all the cells in the body 
d) plasma, interstitial fluid, and transcellular fluid 
e) intracellular fluid - correct answer plasma, interstitial fluid, and transcellular fluid 
 
Which of the following is an example of positive feedback? 
 
a) Consuming caffeine increases urine output, causing dehydration 
b) The ...
![BIOL 2120 Chapter 17 Pre-Test Exam Questions With Correct Answers.](/docpics/5567858/6662a80153e62_5567858_121_171.jpeg)
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BIOL 2120 Chapter 17 Pre-Test Exam Questions With Correct Answers.
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BIOL 2120 Chapter 17 Pre-Test Exam Questions With Correct Answers. 
 
 
Which of the following features is a significant difference in the function of DNA polymerases versus RNA polymerases? See Section 17.1 - CORRECT ANSWER RNA polymerase does not require a primer to add new nucleotides. 
 
What is the function of the sigma subunit of RNA polymerase in bacterial transcription? See Section 17.1 - CORRECT ANSWER Sigma is the portion of the enzyme that recognizes specific sequences in the promoter...
![Biol 212 Exam Questions With 100% Correct Answers](/docpics/5338102/66477d60d13f1_5338102_121_171.jpeg)
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Biol 212 Exam Questions With 100% Correct Answers
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Biol 212 Exam Questions With 100% Correct 
Answers 
What is a protist in the most general sense? - answerEukaryotic (nucleus enclosed) cells have 
nuclei and other membrane- enclosed organelles such as mitochondria and plastids. primarily 
aquatic eukaryotic organisms with diverse 
What are the different body plans, modes of nutrition, habitats and reproductive lifestyles? of 
protists - answermost body plans are unicellular, some form colonies, some are coenocytic 
and some are multicellular 
a...
BIOL 212 - Quiz 6 Short Questions with 100% correct answers | verified | latest update 2024
![BIOL 212 UPDATED Exam Questions and CORRECT Answers](/docpics/5075556/662688963925d_5075556_121_171.jpeg)
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BIOL 212 UPDATED Exam Questions and CORRECT Answers
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Which ion most readily leaks across a neuron's membrane, helping to establish the resting 
potential? K+ 
In resting neurons, the membrane is selectively permeable to K+ through a K+ channel 
protein. As K+ leaves the cell along its concentration gradient, the inside of the membrane 
becomes negatively charged relative to the outside. Will K+ continue to leave the cell 
indefinitely? No−−as the interior of the cell becomes more negative, the electrical 
gradient counteracts the movemen...
![BIOL 212 TOP Exam Questions and CORRECT Answers](/docpics/5075555/6626885a0338f_5075555_121_171.jpeg)
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BIOL 212 TOP Exam Questions and CORRECT Answers
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What is a protist in the most general sense? Eukaryotic (nucleus enclosed) cells have 
nuclei and other membrane- enclosed organelles such as mitochondria and plastids. primarily 
aquatic eukaryotic organisms with diverse 
What are the different body plans, modes of nutrition, habitats and reproductive lifestyles? of 
protists most body plans are unicellular, some form colonies, some are coenocytic and 
some are multicellular 
algae are autotrophic photosynthesizers 
heterotrophs absorb nutr...
![BIOL 212 Already Passed Exam Questions and CORRECT Answers](/docpics/5075561/6626889931793_5075561_121_171.jpeg)
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BIOL 212 Already Passed Exam Questions and CORRECT Answers
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adductor magnus 
triceps brachii long head 
Trapezius Elevates, depresses, retracts, and rotates the scapula 
levator scapulae elevates scapula 
serratus anterior protracts and rotates scapula 
pectoralis minor protracts and rotates scapula 
Supraspinatus abducts arm at shoulder joint
![Microbiology Lab Exam 1- Biol 2120(Answered)](/docpics/64275336b79ba_2540099.jpg)
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Microbiology Lab Exam 1- Biol 2120(Answered)
- Exam (elaborations) • 11 pages • 2023
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Microbiology Lab Exam 1- Biol 2120(Answered)
![Biol 212 Exam Questions With 100% Correct Answers](/docpics/5533028/665f0e704d0b0_5533028_121_171.jpeg)
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Biol 212 Exam Questions With 100% Correct Answers
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Biol 212 Exam Questions With 100% Correct 
Answers 
What is a protist in the most general sense? - answerEukaryotic (nucleus enclosed) cells have 
nuclei and other membrane- enclosed organelles such as mitochondria and plastids. primarily 
aquatic eukaryotic organisms with diverse 
What are the different body plans, modes of nutrition, habitats and reproductive lifestyles? of 
protists - answermost body plans are unicellular, some form colonies, some are coenocytic 
and some are multicellular 
a...
![BIOL-212 Exam 4 Quiz Questions Answer Key.](/docpics/5195373/6636d7f854eda_5195373_121_171.jpeg)
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BIOL-212 Exam 4 Quiz Questions Answer Key.
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Duquesne University BIOL-212 Exam 4 Quiz Questions Answer Key. 
1) Which THREE of the answer choices below commonly act as molecular switches in 
signaling pathways? 
a) Kinases 
b) Transcription factors 
c) Phosphatases 
d) GTP-binding proteins 
e) Calcium 
2) Uh oh - you met someone new and were scrolling through their social media posts from 
5 years ago and accidentally clicked "like" - and now you are panicking that they will 
know you were looking! Your heart begins to race, thanks to th...
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