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UCI Bio 93 - Midterm 1 Questions And Answers. $11.99   Add to cart

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UCI Bio 93 - Midterm 1 Questions And Answers.

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UCI Bio 93 - Midterm 1 Questions And Answers. atoms - correct answer. smallest unit of chemical elements molecules - correct answer. two or more atoms combined compound - correct answer. two or more elements combined in a fixed ration C, O, H, N - correct answer. ....

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  • October 3, 2024
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  • UCI Bio 93-
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UCI Bio 93 - Midterm 1 Questions And
Answers.



atoms - correct answer. smallest unit of chemical elements

molecules - correct answer. two or more atoms combined

compound - correct answer. two or more elements combined in a fixed ration

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

covalent bond - correct answer. what is the strongest bond?

covalent - correct answer. sharing of electrons by two atoms

ionic - correct answer. transfer of electrons between two atoms

hydrogen bond - correct answer. what is a weak bond?

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

nonpolar - correct answer. equal sharing of electrons
(two of the same element)

polar - correct answer. unequal sharing of electrons
has a charge
(water)

negative - correct answer. what is the charge of O in water?

, positive - correct answer. what is the charge of H in water?

cohesion - correct answer. interactions between water molecules
(H2O with H2O)

solvent - correct answer. interactions between water and other molecules

4 bonds - correct answer. what is the maximum amount of bonds that hydrogen can
form?

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

more acidic - correct answer. when H+ concentration increases...

more basic - correct answer. what H- concentration decreases...

hydrophilic - correct answer. affinity for water
(polar and ionic bonds)

hydrophobic - correct answer. repel water
(nonpolar covalent bonds)

buffers - correct answer. chemical processes are sensitive to pH changes and resist
change in the pH solution

7.4 - correct answer. the pH of human blood is...

carbonic acid and bicarbonate - correct answer. what are the main buffers in blood?

right - correct answer. response to a rise in pH in blood (becomes more basic)

left - correct answer. response to a drop in pH in blood (becomes more acidic)

carbon atoms - correct answer. building blocks for biological molecules

4 VE - correct answer. how many VE does carbon have?

covalent bonds - correct answer. how do functional groups join to the carbon
skeleton?

hydroxyl - correct answer. -alcohols
-polar
-dissolves organic compounds (like sugars)

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