BIO 110 Study Guide - Fall 2018, Comprehensive Midterm Notes - Protein, Cell Membrane, Endoplasmic Reticulum

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BIO 110
MIDTERM EXAM
STUDY GUIDE
Fall 2018
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Bio 110 Principles of Biology I
To understand biology one must use “evidence-based” teaching and learning approaches.
Covalent bond : sharing of an electron between two atoms.
98% of most living organisms are composed of six atoms.
Carbon is the versatile atom because it forms 4 covalent bonds
Each of the six atoms form a specific number of covalent bonds.
Covalent bonds in which the electrons are not equally shared - polar bonds
Polar covalent bonds almost always involve Oxygen
Almost all other bonds are non-polar
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2.
H-bonds contribute to the complex structure of many biological molecules
-water has many unique properties because energy is required to break these H
bonds between molecules
- Water has a high heat capacity.
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Document Summary

To understand biology one must use evidence-based teaching and learning approaches. Covalent bond : sharing of an electron between two atoms. 98% of most living organisms are composed of six atoms. Carbon is the versatile atom because it forms 4 covalent bonds. Each of the six atoms form a specific number of covalent bonds. Covalent bonds in which the electrons are not equally shared - polar bonds. Polar covalent bonds almost always involve oxygen. H-bonds contribute to the complex structure of many biological molecules. Water has many unique properties because energy is required to break these h bonds between molecules. Water has a high heat capacity. Adhesion and cohesion allow water to be pulled from the roots to the leaves of plants. H bonds can"t form with non-polar molecules. Ice is less dense than water, which is essential for life. Water: more h bonds form as the temperature is lowered.

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