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BIO 101 EXAM 2 WVU SALIHU QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 $16.49   Add to cart

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BIO 101 EXAM 2 WVU SALIHU QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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BIO 101 EXAM 2 WVU SALIHU QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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  • August 5, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 101
  • BIO 101
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BIO 101 EXAM 2 WVU SALIHU
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
- ANSWER nucleic acids in all cells



pH scale - ANSWER Acidic: 0-6.9

Neutral: 7

Basic (alkaline): 7.1-14



acidity - ANSWER amount of hydrogen ions in a solution (called pH)



acids vs. bases ions - ANSWER acids- more H+

bases- more OH-



macromolecules - ANSWER sequence of simple molecules; all composed of C, H, and O



types of macromolecules - ANSWER carbohydrates, proteins, lipids, and nucleic acid



elements in DNA - ANSWER contains the same elements as other macromolecules, except it has N and P



monomers of complex carbs - ANSWER glucose, fructose, galactose



types of complex carbohydrates - ANSWER starch, cellulose, chitin,



function of complex carbs - ANSWER function to get energy to cell so if can carry out activities



cellulose - ANSWER carbohydrate that make plant cell walls

, chitin - ANSWER carbohydrate that makes exoskeleton of insects



carb loading - ANSWER excess carbs stored in muscles as glycogen and broken down when blood glucose
is low



peptide bond - ANSWER covalent bond formed between amino acids



protein functions - ANSWER 1. structural

2. protective- antibodies

3. regulatory- signaling proteins

4. contractile- actin/myosin

5. transport- hemoglobin



does most work in cell



amino acids - ANSWER building blocks of protein (monomers); 20 types; made of C, H, O, N and
sometimes S



polypeptides - ANSWER several amino acids joined together



dipeptide - ANSWER 2 amino acids joined together



primary structure - ANSWER sequence of amino acids in a peptide chain



secondary structure - ANSWER twists or folds formed by H-bonds between amino acids in peptide chain



tertiary structure - ANSWER 3D shape formed by multiple twists/bends in peptide chain



quaternary structure - ANSWER two or more polypeptide chains bonded together; functional form

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