Biol 212 Study guides, Class notes & Summaries
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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...
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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...
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BIOL 212 Exam Questions And Answers (Verified And Updated)
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BIOL 212 Exam Questions And Answers 
(Verified And Updated) 
Which ion most readily leaks across a neuron's membrane, helping to establish the resting 
potential? - answerK+ 
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? - 
answerNo−−as the interior of the cell...
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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...
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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...
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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
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Microbiology Lab Exam 1- Biol 2120(Answered)
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Microbiology Lab Exam 1- Biol 2120(Answered)
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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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BIOL 212 Exam Questions And Answers (Verified And Updated)
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BIOL 212 Exam Questions And Answers 
(Verified And Updated) 
Which ion most readily leaks across a neuron's membrane, helping to establish the resting 
potential? - answerK+ 
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? - 
answerNo−−as the interior of the cell...
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Microbiology Lab Exam 2- Biol 2120. Questions and answers. Graded A+
- Exam (elaborations) • 12 pages • 2022
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What is the purpose of the Eukaryotic Microbes: Protozoa and Helminthes laboratory exercise? - Ans-1. 
To recognize adult forms, cysts, or the trophozoite stage of parasitic protozoa. 
2. To recognize adult and egg of a common helminth. 
3. To understand the life cycle of the malaria parasite and the challenge of producing a malaria vaccine. 
List five (6) protozoal diseases and their causative agents? - Ans-1. Ameobas- Entamoeba histolytica. 
2. Giardias- Giadia lamblia. 
3. African sleeping si...
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