Guides d'étude, Notes de cours & Résumés
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Bio 256 Exam Questions with Complete Solutions (100% Pass)
- Examen • 8 pages • 2024
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Bio 256 Exam Questions with Complete Solutions (100% Pass) 
 
A steroid may be best described as a - Answer-lipid consisting of four carbon rings and various functional groups 
 
Saturated fatty acids have _____ double bonds - Answer-no 
 
Which is the part differing in the various amino acids? - Answer-side chain (-R) 
 
We have a much greater variety of proteins than polysaccharides in the body, mainly because - Answer-there are 20 different amino acid building blocks from which protein molecu...
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Bio 256 Exam Questions with Complete Solutions (Definite Pass)
- Examen • 10 pages • 2024
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Bio 256 Exam Questions with Complete Solutions (Definite Pass) 
 
 
Which is NOT part of an amino acid? - Answer-ribose 
 
After amino acids are assembled into a polypeptide chain, the chain often coils into a spring-like structure called the alpha helix. This coiling is due to ____. - Answer-hydrogen bonds 
 
Collagen is a ____ protein. - Answer-fibrous 
 
Which is NOT a function of proteins? - Answer-provide genetic code 
 
Which nitrogenous base is NOT found in DNA? - Answer-uracil 
 
RNA is ...
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BIO 256 Exam Questions with Verified Answers
- Examen • 5 pages • 2024
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BIO 256 Exam Questions with Verified Answers 
 
The favored fuel of the liver is - Answer-fatty acids 
 
When cells move substances in vesicles into the extracellular space it is called - Answer-exocytosis 
 
Red blood cells placed in a hypotonic solution will exhibit - Answer-hemolysis 
 
Intracellular and extracellular fluids are separated by - Answer-plasma membrane 
 
What is the major cause of the underlying rapid aging disease, Progeria? - Answer-A single nucleotide change in the LMNA gene...
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BIO 256 Exam Study Guide Questions with Correct Answers
- Examen • 6 pages • 2024
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BIO 256 Exam Study Guide Questions with Correct Answers 
 
In an isotonic contraction, the muscle - Answer-changes in length and moves the "load" 
 
A sustained and frequent muscles stimulus brings about - Answer-tetanus 
 
Athletes sometimes complain of oxygen debt, a condition that results when insufficient oxygen is available to completely break down pyruvic acid. As a result the pyruvic acid is converted to - Answer-lactic acid 
 
Which serves as a quick source to replete ATP in exercising...
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BIO 256 Final Assessment Exam Questions with Correct Answers
- Examen • 7 pages • 2024
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BIO 256 Final Assessment Exam Questions with Correct Answers 
 
Phenylketonuria (PKU) occurs when there is - Answer-two recessive alleles lack an enzyme that converts one of the basic amino acids that make up proteins (phenylalanine) into a by product essential for body functioning (tyrosine) 
 
Any oxidation reaction must be coupled to - Answer-a reduction reaction. 
 
Reactions releasing energy are usually called - Answer-exergonic 
 
The chemiosmotic theory describes how the electron-transpor...
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Bio 256 Final Exam Questions with Complete Solutions
- Examen • 11 pages • 2024
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Bio 256 Final Exam Questions with Complete Solutions 
 
The absorption of which ion is coupled to the absorption of glucose or amino acids? - Answer-Na+ 
 
Digestion of table sugar requires - Answer-sucrase 
 
Dietary fats are important because - Answer-they help the body absorb fat-soluble vitamins 
 
Select the correct statement about proteins - Answer-Proteins will be used by most cells for ATP synthesis if insufficient carbohydrates are ingested. 
 
Vitamins are organic compounds. They - An...
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BIO 256 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS
- Examen • 61 pages • 2024
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BIO 256 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS 
 
glucose - Answer-The molecule central to all metabolism is 
 
buffer - Answer-A solution resisting changes in H+ concentration and tending to maintain a stable pH is called a ____ solution. 
 
positive, donated - Answer-Cations have a ____charge and are formed when they have ____ an electron to/from an anion. 
 
maintenance of body temperature - Answer-Water absorbs and releases large amounts of heat before changing temperature. This is import...
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BIO 256 Practice Exam Questions with correct Answers (Definite Pass)
- Examen • 11 pages • 2024
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BIO 256 Practice Exam Questions with correct Answers (Definite Pass) 
 
In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? - Answer-hypothesis 
 
Which is the fluid found between cells in your blood? - Answer-plasma 
 
Which is an organic molecule? - Answer-C6H12O6 
 
The universal solvent of life is - Answer-water 
 
A salt such as NaCl becomes forms ______ when dissolved in water. - Answer-electrolytes 
 
Which releases H+ in water?...
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Bio 256 Practice Exam Questions with Correct Answers
- Examen • 11 pages • 2024
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Disponible en pack
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Bio 256 Practice Exam Questions with Correct Answers 
 
Which is NOT a function of proteins? - Answer-Provides genetic code 
 
Which contains your genetic inheritance from your parents? - Answer-DNA 
 
RNA is made by ____, protein in made by ____ - Answer-transcription, translation 
 
The RNA type that moves through nuclear pores to direct synthesis of new protein molecules at the ribosomes in the cytoplasm, is - Answer-mRNA 
 
Transfer RNA anticodons pair complimentary to the ___ of mRNA. - Ans...
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BIO 256 SI Review exam questions and Answers
- Examen • 6 pages • 2024
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BIO 256 SI Review exam questions and Answers 
 
polar - Answer-Water is an especially good solvent for biological molecules because it is 
a. small and easily passes through membranes 
b. polar 
c. hydrophobic 
d. contains oxygen for ionic bonding 
 
nacl - Answer-Which would form an electrolytic solution when dissolved in water? 
a. NaCl 
b. Cu+ 
c. Ca++ 
d. HCO3+ 
 
bases - Answer-Which release OH- in water? 
a. bases 
b. aliphatic molecules 
c. acids 
d. nitrogenous salts 
 
stay the same -...
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