PSET Review Flashcards

1
Q

covalent bond

A

shared electron

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2
Q

ionic bond

A

complete transfer of electron to another molecule, resulting in attraction

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3
Q

polar bond

A

uneven sharing of electron

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4
Q

hydrogen bond

A

weak, electrostatic bond between two molecules

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5
Q

dna base pairs are bound by a ______ _____

A

hydrogen bond

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6
Q

phospholipids are ______ and form the ______ _______

A

amphipathic, phospholipid bilayer

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7
Q

bilayers that contain a large number of unsaturated tails are _______ fluid

A

more

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8
Q

name the steps of glycolysis

A
  1. Energy investment by ATP breakdown.
  2. Cleavage of glucose into two 3-carbon molecules.
  3. Harvesting of energy into ATP and NADH energy carriers.
  4. Conversion of O2 into CO2
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9
Q

nitrogen normally has 7 electrons total.How many valence electrons does a nitrogen ion with a -1 charge have?

A

6

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10
Q

nitrogen normally has 7 electrons total.How many valence electrons does a nitrogen ion with a -1 charge have?

A

6

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11
Q

name the products of the CAC

A

NADH, FADH2, ATP, pyruvate, and CO2.

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12
Q

name the products of the CAC

A

NADH, FADH2, ATP, pyruvate, and CO2.

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13
Q

T/F - the common entry point for sugars and fatty acids in the CAC is acetyl-Coa

A

T

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14
Q

does the CAC require oxygen to be present in the cell to continue?

A

yes

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15
Q

can a catalyst increase the rate of a reaction?

A

no

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16
Q

can a catalyst change the Gibbs energy of a reaction?

A

no

17
Q

oxidation

A

addition of oxygen, loss of electron(H?)

18
Q

reduction

A

removal of oxygen, addition of electron (H?)

19
Q

product of glycolysis

A

pyruvate

20
Q

starting point of CAC

A

acetyl CoA

21
Q

number of electrons in first valence shell

A

2

22
Q

number of electrons in second valence ehsll

A

8

23
Q

number of electrons in third valence shell

A

18