Dat biology exam - Study guides, Class notes & Summaries
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AC-HPAT Biology Exam Questions And Answers (Updated And Verified)
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AC-HPAT Biology Exam Questions And 
Answers (Updated And Verified) 
Pancreas and Type 1 diabetes - answerThe pancreas is the organ that produces insulin, and it 
plays a major role in regulating blood glucose levels. Type 1 diabetes occurs when the pancreas 
does not make enough or any insulin. 
How does insulin work in diabetes? - answerInsulin pumps are small, computerized devices 
that mimic the way the human pancreas works by delivering small doses of short acting insulin 
continuously (basa...
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Mark's DAT Biology Exam Questions With Accurate Answers.
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Mark's DAT Biology Exam Questions 
With Accurate Answers. 
What happens to the free energy of a reaction if it is catalyzed by an enzyme? - answerThe 
free energy of an enzyme-catalyzed reaction is the same as the reaction without the enzyme. 
What happens as the concentration of substrate is increased in an enzyme-catalyzed reaction? - 
answerThe reaction rate increases until most of the active sites are filled and then the 
reaction rate reaches a plateau. 
What is the optimal temperature for...
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DAT Biology exam #1 with answer explanation Questions With Correct Solutions
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DAT Biology exam #1 with answer explanation 
 
 
 
 
 
All of the following statements are part of modern cell theory EXCEPT one. Which one is the EXCEPTION? 
A. An organism's activity is dependent on the activity of its independent cells. 
B. Metabolism and biochemistry occur within cells. 
C. Hereditary information is stored in cells and is shared between cells during cell division. 
D. All cells contain a nucleus for the storage of genetic material. 
E. All cells in organisms of similar spec...
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MCAT Biology Exam Latest Updated 2024 With Complete Solutions
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MCAT Biology Exam Latest Updated 2024 With Complete Solutions 
 
Natural selection (types)	Different types of selection lead to changes in phenotype: 
 
1) Stabilizing selection 
2) Directional selection 
3) Disruptive selection 
4) Adaptive selection 
Stabilizing selection	Keeps the phenotypes in a narrow range, excluding extremes. 
Directional selection	Moves the average phenotype toward one extreme. 
Disruptive selection	Moves toward two different phenotypes at the extremes and can lead to sp...
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AC-HPAT Biology Exam Questions And Answers (Updated And Verified)
- Exam (elaborations) • 14 pages • 2024
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AC-HPAT Biology Exam Questions And 
Answers (Updated And Verified) 
Pancreas and Type 1 diabetes - answerThe pancreas is the organ that produces insulin, and it 
plays a major role in regulating blood glucose levels. Type 1 diabetes occurs when the pancreas 
does not make enough or any insulin. 
How does insulin work in diabetes? - answerInsulin pumps are small, computerized devices 
that mimic the way the human pancreas works by delivering small doses of short acting insulin 
continuously (basa...
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MCAT Biology Exam Guide with Latest Update
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Central Dogma - Answer-DNA → RNA → Protein 
 
Purines 
- which bases? 
- how many rings? - Answer- 
 
Pyrimidines 
- which bases? 
- how many rings? - Answer-Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." 
 
Phosphodiester Bond - Answer-Joins one nucleotide to the next; between the 3rd C of one ribose and the 5th C of the other to create the sugar-phosphate backbone 
 
Directionality of DNA (convention) - Answer-5' → 3' 
(but strands are antiparallel, s...
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MCAT Psychology & Sociology, MCAT Biochemistry & MCAT Biology Exam Latest Updated 2024 With Complete Solutions
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MCAT Psychology & Sociology, MCAT Biochemistry & MCAT Biology Exam Latest Updated 2024 With Complete Solutions 
 
Long-Term Potentiation (LTP)	A persistent increase in synaptic strength following high-frequency stimulation of a chemical synapse. 
Retrieval	Information stored in long-term memory can return to working memory through this process. 
Semantic Networks	Organize information in networks of meaningfully related memories. 
Spreading Activation	One item triggers an activation of related ...
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MCAT Biology Exam Questions & Answers 2023 Update
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MCAT Biology Exam Questions & Answers 2023 Update
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DAT Biology Practice Exam Questions With Complete Solutions Graded A+
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DAT Biology Practice Exam Questions With Complete Solutions Graded A+
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DAT Biology exam 2023 with 100% correct answers
- Exam (elaborations) • 14 pages • 2023
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Carotenoids 
lipid derivatives, produce pigments in plants and animals , An accessory pigment, either yellow or orange, in the chloroplasts of plants. By absorbing wavelengths of light that chlorophyll cannot, carotenoids broaden the spectrum of colors that can drive photosynthesis. 
 
 
 
Porphyrins 
lipid derivatives, a group of light-sensitive, pigmented, ringed chemical structures that are required for the synthesis of hemoglobin. Complexed with metals usch as iron in hemoglobin and chloroph...
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