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biology 100 > first exam > Flashcards

first exam Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

what contains prokaryotic cells

A

archaea

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2
Q

Molecule associated with energy transfer in living organisms

A

ATP

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3
Q

A community and its physical and chemical environment

A

ecosystem

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4
Q

molecule of inheritance

A

deoxyribonucleic acid

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5
Q

aerobic respiration

A

not a requirement of all living things

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6
Q

The one way flow of energy through the biosphere starts with energy input from…

A

the sun

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7
Q

scientific way to refer to a human is

A

Homo sapiens (slanted)

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8
Q

decompose-rs include certain bacteria and fungi?

A

True

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9
Q

sexual reproduction results in offspring that are genetically identical to the parent

A

false

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10
Q

if phosphorus has 16 neutrons and 15 electrons what is its atomic number

A

15

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11
Q

helium has atomic number two. Inert or reactive

A

inert

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12
Q

atoms gain or lose electrons to form…

A

ionic bonds

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13
Q

the normal range of blood pH indicates

A

7.3 - 7.5

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14
Q

two atoms of oxygen bond with double covalent bond. how many electrons do they shae

A

4

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15
Q

water is a great solvent of polar molecules

A

true

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16
Q

in a polar covalent bond electrons are shared

A

false

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17
Q

loss of protein’s normal 3-d shape because of high temperatures or changes in ph

A

denaturation

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18
Q

in a condensation reaction, small molecules come together to make a large molecule?

A

true

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19
Q

Ribose is a six carbon monosaccharide?

A

False

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20
Q

Building blocks of nucleic acids

A

Nucleotides

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21
Q

Building blocks off protein

A

Amino acids

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22
Q

Building blocks of most lipids are glycerol and…

A

Fatty acids

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23
Q

Building blocks of carbohydrates

A

Monosaccharides

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24
Q

If solution of cell contrains greater concentration of dissolved solutes than the contents of the cell, the solution is hypotonic

A

False

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25
Q

In active transport solutes are transported down their concentration gradient

A

False

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26
Q

Phospholipids contain a hydrophobic head and two hydrophillic tails

A

False

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27
Q

Plant cells but not animal cells have

A

Plastids and central vacuole

C and D

28
Q

Synthesis of proteins takes place in

A

Rough ER

29
Q

Photo synthesis takes place in

A

Chloroplasts

30
Q

Synthesis of lipids takes place in

A

Smooth ER

31
Q

Modify, sort, package, and ship proteins and lipids

A

Golgi bodies

32
Q

Provide movement for the cells

A

Flagella

33
Q

Digestion in the cell is done by

A

Lysosomes

34
Q

ATP is produced in

A

Mitochondrion

35
Q

Final products of glycolysis include

A

Pyruvate molecules and ATP

B and c

36
Q

Oxygen is formed during

A

The non cyclic pathway of Atp formation

37
Q

Cells ability to acquire energy to store, build, or break apart substances is called

A

Metabolism

38
Q

Enzymes

A

Speed up metabolic reactions
Lower the activation energy
A and b

39
Q

In the non cyclic pathway of the light dependent stage of photo synthesis, two photo systems are involved

A

True

40
Q

Glucose is formed in the light dependent stage of photo synthesis

A

False

41
Q

The starting molecule in glycolysis is pyruvate

A

False

42
Q

Krebs cycle of aerobic respiration takes place I the cytoplasm

A

False

43
Q

Co2 is released during krebs citric acid cycle

A

True

44
Q

Light independent stage of photo synthesis takes place in the grana

A

False

45
Q

In exergonic reactions, energy is released

A

True

46
Q

DNA to DNA

A T C G T T

A

T A G C A A

47
Q

One species DNA differs from others in its

A

Nucleotide sequence

48
Q

DNA replication results in

A

Two molecules, each with one old strand and one newly assembled strand of nucleotides

49
Q

DNA binding proteins

A

Stabilize the single stranded DNA and keep the strands apart

50
Q

DNA polymerase

A

Adds DNA nucleotides to the primer to build the new stand

51
Q

Ligase

A

Joins okazaki fragments seals small gaps

52
Q

Helicase

A

unwinds parental DNA double helix

53
Q

Primase

A

Produced And adds primers to template strand

54
Q

Watson and crick

A

Discovered the double helix structure of dna

55
Q

Mrna to DNA

T A C A T G

A

A U G U A C

56
Q

HOW MANY amino acids does this mrna sequence code

A

5

57
Q

The RNA molecule is

A

Single stranded

58
Q

Mrna is produced by

A

Transcription

59
Q

The five carbon sugar found in RNA is

A

Ribose

60
Q

The loading of mrna onto an intact ribosome occurs during

A

Translation

61
Q

The enzyme used during transcription is DNA polymerase

A

False

62
Q

A codon is a double nucleotide on mrna

A

False

63
Q

Initiation

A

The first trna carrying methionine binds ribosome and mrna

64
Q

Elongation

A

Trna molecules carrying amino acids add to polypeptide chain

65
Q

Termination

A

A stop codon is reached

biology 100 (3 decks)

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