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BIOL 200 Week 1 Reading Quizzes, Exams of Biology

Dominican University (DU)Biology

A comprehensive set of quiz questions and answers related to the fundamental differences between prokaryotic and eukaryotic cells, the structures and functions of various cellular organelles, the properties of biological macromolecules such as carbohydrates and proteins, and the importance of functional groups in organic molecules. The questions cover a wide range of topics, including the number of valence electrons in different elements, the concept of electronegativity, the formation of covalent bonds, the characteristics of monosaccharides and disaccharides, the structure and function of polysaccharides like cellulose and chitin, the properties and diversity of proteins, and the different levels of protein organization. This document could be a valuable resource for students enrolled in an introductory biology course, as it offers a concise and focused review of the key concepts covered in the first week of the course.

Typology: Exams

2023/2024

Available from 08/27/2024

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BIOL 200 Week 1 Reading Quizzes |
100% Correct Answers | Verified | Latest
2024 Version
Which of the following is a major difference between prokaryotic and eukaryotic cells? - ✔✔Eukaryotic
cells have organelles and prokaryotes do not
Which of the following are found in prokaryotes? Chloroplasts, mitochondria, a chromosome, ribosomes
- ✔✔Chromosomes and ribosomes
What is the main function of the enzymes found in a eukaryotic cell's lysosome? - ✔✔Breaking down
macromolecules into smaller parts
What is the main function of the enzymes found in the smooth endoplasmic reticulum of eukaryotic
cells? - ✔✔Building lipids
What's the main function of the ribosome? - ✔✔Building proteins
Muscle cells must synthesize very large amounts of ATP. Which of the following structures is primarily
involved in this process and, therefore, abundant in muscle cells? - ✔✔Mitochondria
How many valence electrons does carbon have? - ✔✔4
How many valence electrons does oxygen need to fill its outer cell? - ✔✔2
What is a convalent bond? - ✔✔A bond in which electrons are shared between the valence shells of two
atoms
What is electronegativity? - ✔✔The measure of how tightly an atom "holds" an electron
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BIOL 200 Week 1 Reading Quizzes |

100% Correct Answers | Verified | Latest

2024 Version

Which of the following is a major difference between prokaryotic and eukaryotic cells? - ✔✔Eukaryotic cells have organelles and prokaryotes do not Which of the following are found in prokaryotes? Chloroplasts, mitochondria, a chromosome, ribosomes

  • ✔✔Chromosomes and ribosomes What is the main function of the enzymes found in a eukaryotic cell's lysosome? - ✔✔Breaking down macromolecules into smaller parts What is the main function of the enzymes found in the smooth endoplasmic reticulum of eukaryotic cells? - ✔✔Building lipids What's the main function of the ribosome? - ✔✔Building proteins Muscle cells must synthesize very large amounts of ATP. Which of the following structures is primarily involved in this process and, therefore, abundant in muscle cells? - ✔✔Mitochondria How many valence electrons does carbon have? - ✔✔ 4 How many valence electrons does oxygen need to fill its outer cell? - ✔✔ 2 What is a convalent bond? - ✔✔A bond in which electrons are shared between the valence shells of two atoms What is electronegativity? - ✔✔The measure of how tightly an atom "holds" an electron

Which element has the highest electronegativity? CHON? - ✔✔Oxygen "Organic" molecules must contain which element? N O C S - ✔✔carbon The functional groups found in organic biological molecules help determine... - ✔✔Whether or not the molecule will act as a base or an acid. The behavior of the molecule in water. The interactions that molecules can have. Which of the following elements are commonly found as part of biological macromolecules? - ✔✔Oxygen, nitrogen, hydrogen, carbon Glucose and galactose are monosaccharides (sugars) with the same number of carbons. What else is true about these two sugars? - ✔✔They are both hydrophilic (soluble in water). They have the same molecular formula (C6H12O6). When glucose or galactose are in water, they form either alpha or beta forms. Which is true? - ✔✔Alpha- glucose and beta-glucose have the same molecular formula (C6H12O6). When two sugars react to form a disaccharide, what else is a product of the reaction? - ✔✔H2O What is the name of the covalent bond between two saccharides? - ✔✔glycosidic linkage Which of the following are possible functions of carbohydrates? - ✔✔provide an energy source and store energy help as an identifier of cell type act as a structural component of cells and organisms Cellulose, the polysaccharide in plant cell walls, is not digestible by human enzymes. What is true about cellulose? - ✔✔cellulose sheets are strong, making them useful structurally

This question refers to Table 2.3 in your textbook. Which functional group contains nitrogen (N)? Amino hydroxyl phosphate or carboxyl - ✔✔Amino group This question refers to Table 2.3 in your textbook. Which functional group contains a carbon bound to two oxygens? - ✔✔Carboxyl group This question refers to Table 2.3 in your textbook. Which functional group is most likely to act as an acid in solution? - ✔✔Carboxyl group How many different types of amino acids are found in most organisms? - ✔✔ 20 How many basic levels of organization do proteins have (in general)? - ✔✔ 4