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DAT > Destroyer Bio 201-300 > Flashcards

Destroyer Bio 201-300 Flashcards

1
Q

Deepest layer of epidermis?

A

Stratum germinativum

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2
Q

In which layer of the epidermis are melanocytes located?

A

Stratum germinativum

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3
Q

Stratum corneum?

A

Outer most layer of epidermis containing dead epithelial cells

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4
Q

Where is dermis located?

A

Below epidermis

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5
Q

Outer membrane of lungs?

A

Pleurae

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6
Q

Where does gas exchange occur in the lungs?

A

In alveoli

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7
Q

Pinna?

A

Fleshy outer portion of external ear

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8
Q

Steroid hormones synthesized from?

A

Cholesterol

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9
Q

DNA probes?

A

Small segments of DNA that enable detection of gene in DNA sequences

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10
Q

Progeria?

A

Premature aging

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11
Q

Inactive X chromosome?

A

Barr Body

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12
Q

Achondroplasia?

A

Dwarfism

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13
Q

How many genes in lac operon?

A

3

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14
Q

Progesterone inhibits the release of what hormone to prevent ovulation?

A

FSH

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15
Q

What structure in brain regulates temperature?

A

Hypothalamus?

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16
Q

What tissue covers brain and spinal cord?

A

Meninges

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17
Q

What refers to the amount of substrate need to produce have of the Vmax?

A

Km

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18
Q

How many chambers in fish heart?

A

2

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19
Q

How many chambers in bird heart?

A

2

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20
Q

How many chambers in heart of amphibians and reptiles?

A

3

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21
Q

Is a fern a vascular plant?

A

Yes

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22
Q

How do ferns reproduce?

A

Spores

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23
Q

Life cycle of fern?

A

Alteration of generations

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24
Q

Seed producing plants include?

A

Angiosperms and gymnosperms

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25
Q

Reproductive structure of angiosperms?

A

Flowers

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26
Q

How old is the earth?

A

4.5 billion years

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27
Q

How old are prokaryotes?

A

3.5 billion years

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28
Q

How old are eukaryotes?

A

0.5 billion years

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29
Q

Spindle fibers composed of?

A

Micro tubules

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30
Q

Longest mitotic phase?

A

Prophase

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31
Q

Shortest mitotic phase?

A

Anaphase

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32
Q

Where and what are ungulates?

A

African savanna

Large hooved plant eating mammals such as giraffes

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33
Q

What could account for a 2:1 genotypic ratio?

A

Lethal gene

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34
Q

Do mature xylem and sieve tube cells have a nucleus?

A

No

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35
Q

Function of parenchyma cells in plants?

A

Metabolic functions such as compound synthesis

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36
Q

What makes up wood in a tree?

A

Secondary xylem

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37
Q

How does oxygen exit a plant?

A

Stromata

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38
Q

Hydras, corals, jellyfish

Phylum?

A

Cnidaria

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39
Q

Spiders and crustaceans

Phylum?

A

Anthropoda

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40
Q

Tunicates, mammals, amphibians, reptiles, jawless fish

Phylum?

A

Chordata

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41
Q

Does RNA polymerase proofread?

A

No

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42
Q

Cotyledon function?

A

Store food for germinating seedling

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43
Q

What happened during a partial action potential?

A

Does not exist

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44
Q

What type of immunity is responsible for production of immunoglobulins / antibodies?

A

Humoral immunity

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45
Q

What type of cells produce antibodies?

A

B-lymphocytes

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46
Q

Most abundant metabolic waste product?

A

CO2

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47
Q

Where are ribosomes assembled?

A

Nucleolus

48
Q

What type of fish are hagfish and lampreys?

A

Jawless fish

49
Q

Where is most ATP generated in cellular respiration?

A

Electron transport chain

50
Q

Where is bile produced?

A

Liver

51
Q

What is the chamber where pollen develops?

A

Anther

52
Q

Female reproductive part of plant?

A

Pistil

53
Q

Sticky part of pistil that catches pollen?

A

Stigma

54
Q

Tube connecting stigma to ovary?

A

Style

55
Q

Myoglobin stores what in muscles?

A

Oxygen

56
Q

Primary neurotransmitter of parasympathetic nervous system?

A

Acetylcholine

57
Q

Primary neurotransmitter of sympathetic nervous system?

A

Norepinephrine

58
Q

Does acetylcholine have excitatory or inhibitory effects on muscles and glands?

A

Both

59
Q

Excretory organ of annelids?

A

Nephridia

60
Q

Annelids segmented or non segmented worms?

A

Segmented

61
Q

What type of bond links nucleotides?

A

Phosphodiester bonds

62
Q

Major criterion in defining a species?

A

Reproductive isolation

63
Q

Cephalopod circulatory system?

A

Open circulatory system

64
Q

What type of viruses contain both DNA AND RNA?

A

None

65
Q

Prions?

A

Infectious protein particles

66
Q

Distinguishing feature of tRNA?

A

Unusual bases

67
Q

Shape of tRNA molecules maintained by what bond?

A

Hydrogen bonding

68
Q

Kingdom for blue-green algae and bacteria?

A

Monera

69
Q

Paramecium kingdom?

A

Protista

70
Q

Green algae kingdom?

A

Protista

71
Q

Plasmodium cause?

A

Malaria

72
Q

Osteoblasts mature into?

A

Osteocytes

73
Q

Mast cells release?

A

Histamine

74
Q

Collagen made by?

A

Fibroblasts

75
Q

Vertebrae grouped in what phylum?

A

Chordata

76
Q

Amnion?

A

Fluid filled sac that surrounds the embryo

77
Q

Allantois sac stores?

A

Nitrogenous waste

78
Q

rRNA makes up what percentage of RNA?

A

80%

79
Q

How do codons and anticodons bind?

A

Hydrogen bonding

80
Q

Denitrification?

A

Nitrate or nitrite converted to N2

81
Q

NADH yields how many ATP?

A

3 ATP

82
Q

FADH2 yields how many ATP?

A

2

83
Q

Where does electron transport chain pump protons?

A

Out of mitochondrial matrix into intermembrane space

84
Q

Lichen is combination of what?

A

Blue-green alga with fungus

85
Q

How many quarts of blood in adult?

A

5 quarts

86
Q

Antibodies consist of ?

A

Two heavy chains linked to two light chains by disulfide bonds

87
Q

Sticky part of flower that catches pollen?

A

Stigma

88
Q

Mullerian mimicry?

A

Group of organisms posses same yellow warning color (wasps, bees, hornets

89
Q

Batesian mimicry?

A

Deceptive mimicry

90
Q

In response to smoking, mucous production increase or decrease?

A

Increase

91
Q

Micro injection fertilization?

A

Sperm cell directly injected into egg

92
Q

Promoter region in prokaryotes?

A

Pribnow box

93
Q

Promoter sequence in eukaryotes?

A

TATA box

94
Q

Macrophages derived from what cells?

A

Monocytes

95
Q

Erthroblastois fetalis
Mother?
Fetus?

A 
Mother Rh (-)
Fetus Rh(+)
96
Q

Egg or sperm
Chromosome #?
Chromatid #?

A

23 chromosomes

23 chromatid

97
Q

What type of cells are histones found in?

A

Eukaryotes

98
Q

Nucleosomes?

A

Bead like structures of histones wrapped by DNA

99
Q

Complement system function?

A

Destroy microorganisms

100
Q

Shortest period of mitosis?

A

Anaphase

101
Q

When does synapsis occur?

A

Prophase I of meiosis

102
Q

What is synapsis?

A

Pairing of homologous chromosomes

103
Q

Allopatric speciation?

A

New species forms because of geographic isolation

104
Q

Sympatric speciation?

A

Speciation occurs after ecological, genetic, or behavioral barriers arise within the same geographical boundary

105
Q

Earthworm phylum?

A

Annelida

106
Q

Flatworm phylum?

A

Platyhelminthes

107
Q

Zymogen?

A

Inactive form of an enzyme

108
Q

Does endocytosis use ATP?

Transport of what?

A

Yes

Liquid transport

109
Q

Phagocytosis material type?

A

Solids

110
Q

Streptococci form what structures?

A

Chains

111
Q

Staphylococci form what structures?

A

Clusters

112
Q

Where is greatest resistance to blood flow?

A

Arterioles

113
Q

Number of incisors?

A

8 incisors

114
Q

How many canines?

A

4 canines

115
Q

How many premolars?

A

8

116
Q

How many molars?

A

12

117
Q

GC or AT makes DNA more stable?

A

GC

DAT (5 decks)

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