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Exam (elaborations)

Biology 219 Exam 1 Guide with Questions and Answers
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45

November 2024

2024/2025

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Biology 219 Exam 1 Guide with Questions and Answers what are the three parts to the cell theory ANSWER 1. all cells come from other cells 2. all living things are made of cells 3. cells are the basic unit of life what is in a cell ANSWER organelles, macromolecules, water, ions, salts/vitamins four macromolecules ANSWER proteins, lipids, carbohydrates, nucleic acids what do cells do? ANSWER respire, reproduce, react (chemical and mechanical), respond, regulate can order come ...
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Biology 219 Final Exam with Questions and Answers
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39

November 2024

2024/2025

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Biology 219 Final Exam with Questions and Answers Valence of C, H, O, N ANSWER 4, 1, 2, 3 cell theory ANSWER All cells come from pre-existing cells cells are the basic unit of life all living things are made from cells Strength of bonds (strongest to weakest) ANSWER covalent, ionic, hydrogen Macromolecules proteins nucleic acids polysaccharides lipids ANSWER Components Assemblers amino acids ribosomes nucleotides polymerase; DNA/RNA monosaccharides glycosyl transfe...
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Biology 219 Exam 1 Prep with Questions and Answers
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7

November 2024

2024/2025

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Biology 219 Exam 1 Prep with Questions and Answers What are the three tenants of cell theory? ANSWER 1. All cells come from other cells, 2. All living organisms are composed of one or more cells, and 3. the cell is the basic unit of structure What are the four main elements in the body? ANSWER Oxygen, Carbon, Hydrogen, Nitrogen Nearly all interactions within cells are driven by __________ level interactions and ______________ effects. ANSWER molecular level; hydrophobic Rank the t...
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Biology 219 Exam 1 with Questions and Answers
Available in bundle

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10

November 2024

2024/2025

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Available in bundle
Biology 219 Exam 1 with Questions and Answers Why do bonds form? ANSWER To increase stability (lowers energy) What is an ionic bond? ANSWER The complete transfer of valence electrons between atoms (between a metal and a nonmetal) What is a hydrogen bond? ANSWER A hydrogen atom and an electronegative atom (these bind water molecules to other water molecules) What is a covalent bond? ANSWER The metal sharing of one or more pairs of electrons between 2 atoms Which type of bond is...
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