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bio 141 Q1 > additional exam 1 stuff > Flashcards

additional exam 1 stuff Flashcards

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Biology 101 flashcards
1
Q

shape of CH4

A

tetrahedral

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2
Q

shape of C2H6

A

2 tetrahedral groups

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3
Q

shape of C2H4

A

planar

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4
Q

types of lipids:

A

fats, phospholipids, steroids

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5
Q

levels of protein structure: primary

A

linear chain of amino acids (order and number)

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6
Q

levels of protein structure: secondary

A

interactions between peptide backbone
-hydrogen bonds between amino and carboxyl groups
-alpha helix: spiral
-beta pleated sheets

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7
Q

levels of protein structure: tertiary

A

due to side chain interactions
-give its overall 3D shape

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8
Q

levels of protein structure: quaternary

A

arrangement of multipoeptide chains (only in some)

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9
Q

flow of genetic info

A

DNA-RNA-Protein

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10
Q

pyrimidines have ___ carbon rings

A

1

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11
Q

PURINES HAVE __ CARBON RINGS

A

2

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12
Q

pyrimidines include

A

C, T, U

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13
Q

purines include

A

A, G

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14
Q

nucleotides are composed of

A

-phosphate groups
-sugar (deoxyribose or ribose)
-nitrogenous base (2 ring or 1 ring)

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15
Q

DNA base pairing

A

adenine - thymine (uracil in RNA)
guanine- cytosine

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16
Q

5’ carbon end is attached to

A

phosphate group

17
Q

3’ carbon end is attached to

A

hydroxyl group

18
Q

endomembrane system of eukaryotic cells includes:

A

-smooth/rough ER
-golgi apparatus
-lysosome
-vacuoles

19
Q

structural components of eukaryotic cells:

A

-membrane
-nucleus
-ribosomes

20
Q

energy parts of eukaryotic cells

A

-mitochondria
-chloroplast
-peroxisome

21
Q

the cell membrane consists of:

A

phospholipids, cholesterols, and proteins

22
Q

in nucleic acid polymers, new nucleotides are added to which end?

A

3’ end

23
Q

base pairing: which form 2 bonds

A

A , T, U

24
Q

base pairing: which form 3 bonds

A

G, C

25
Q

difference between prokaryotic and eukaryotic cells

A

prokaryotic cells do not have internal structure and they are smaller

bio 141 Q1 (22 decks)

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