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UCI Bio 93- Midterm 1 Exam Questions And Verified Detailed Answers 100% Pass Guaranteed $9.99   Add to cart

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UCI Bio 93- Midterm 1 Exam Questions And Verified Detailed Answers 100% Pass Guaranteed

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UCI Bio 93- Midterm 1 Exam Questions And Verified Detailed Answers 100% Pass Guaranteed...

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  • September 23, 2024
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UCI Bio 93- Midterm 1 Exam Questions And Verified Detailed
Answers 100% Pass Guaranteed


smallest unit of chemical elements - Answer atoms

two or more atoms combined - Answer molecules

two or more elements combined in a fixed ration - Answer compound



. are 4 elements that make up 96% of all living matter - Answer C, O, H, N



what is the strongest bond? - Answer covalent bond



sharing of electrons by two atoms - Answer covalent



transfer of electrons between two atoms - Answer ionic



what is a weak bond? - Answer hydrogen bond



the H atom forms one covalent bond and a second weaker bond with an atom in another
molecules - Answer hydrogen bond

equal sharing of electrons

(two of the same element) - Answer nonpolar



unequal sharing of electrons

has a charge

(water) - Answer polar

,what is the charge of O in water? - Answer negative



what is the charge of H in water? - Answer positive



interactions between water molecules

(H2O with H2O) - Answer cohesion



interactions between water and other molecules - Answer solvent



what is the maximum amount of bonds that hydrogen can form? - Answer 4 bonds



in room temperature of water what % is the maximum amount of bonds going to be
made? - Answer 15%



when H+ concentration increases. - Answer more acidic



what H- concentration decreases. - Answer more basic



affinity for water

polar and ionic bonds - hydrophilic



repel water

non polar covalent bonds - hydrophobic



chemical processes sensitive to pH changes resist change in the pH solution - buffers



pH of human blood. - 7.4

, what are the most important buffers in blood? - carbonic acid and bicarbonate



when pH increases in blood @blood becomes more basic@ - right



ability to respond to a decline in pH of blood ie become more acidic Answer left



building blocks of biomolecules Answer carbon atoms



number of VE for carbon? Answer 4 VE



how functional groups are attached to the carbon framework? Answer covalent bonds



-alcohols

-polar

solubilizes organic molecules such as sugars Answer hydroxyl



-ketones intra skeleton

-aldehydes at end of skeleton Answer carbonyl



-acidic

-weak acid

hydroxyl and carbonyl combined Answer carboxyl



-base

-animes

-can obtain H from solutions around them - Answer amino

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