Destroyer Bio 201-300 Flashcards
(117 cards)
1
Q
Deepest layer of epidermis?
A
Stratum germinativum
2
Q
In which layer of the epidermis are melanocytes located?
A
Stratum germinativum
3
Q
Stratum corneum?
A
Outer most layer of epidermis containing dead epithelial cells
4
Q
Where is dermis located?
A
Below epidermis
5
Q
Outer membrane of lungs?
A
Pleurae
6
Q
Where does gas exchange occur in the lungs?
A
In alveoli
7
Q
Pinna?
A
Fleshy outer portion of external ear
8
Q
Steroid hormones synthesized from?
A
Cholesterol
9
Q
DNA probes?
A
Small segments of DNA that enable detection of gene in DNA sequences
10
Q
Progeria?
A
Premature aging
11
Q
Inactive X chromosome?
A
Barr Body
12
Q
Achondroplasia?
A
Dwarfism
13
Q
How many genes in lac operon?
A
3
14
Q
Progesterone inhibits the release of what hormone to prevent ovulation?
A
FSH
15
Q
What structure in brain regulates temperature?
A
Hypothalamus?
16
Q
What tissue covers brain and spinal cord?
A
Meninges
17
Q
What refers to the amount of substrate need to produce have of the Vmax?
A
Km
18
Q
How many chambers in fish heart?
A
2
19
Q
How many chambers in bird heart?
A
2
20
Q
How many chambers in heart of amphibians and reptiles?
A
3
21
Q
Is a fern a vascular plant?
A
Yes
22
Q
How do ferns reproduce?
A
Spores
23
Q
Life cycle of fern?
A
Alteration of generations
24
Q
Seed producing plants include?
A
Angiosperms and gymnosperms
25
Reproductive structure of angiosperms?
Flowers
26
How old is the earth?
4.5 billion years
27
How old are prokaryotes?
3.5 billion years
28
How old are eukaryotes?
0.5 billion years
29
Spindle fibers composed of?
Micro tubules
30
Longest mitotic phase?
Prophase
31
Shortest mitotic phase?
Anaphase
32
Where and what are ungulates?
African savanna
| Large hooved plant eating mammals such as giraffes
33
What could account for a 2:1 genotypic ratio?
Lethal gene
34
Do mature xylem and sieve tube cells have a nucleus?
No
35
Function of parenchyma cells in plants?
Metabolic functions such as compound synthesis
36
What makes up wood in a tree?
Secondary xylem
37
How does oxygen exit a plant?
Stromata
38
Hydras, corals, jellyfish
| Phylum?
Cnidaria
39
Spiders and crustaceans
| Phylum?
Anthropoda
40
Tunicates, mammals, amphibians, reptiles, jawless fish
| Phylum?
Chordata
41
Does RNA polymerase proofread?
No
42
Cotyledon function?
Store food for germinating seedling
43
What happened during a partial action potential?
Does not exist
44
What type of immunity is responsible for production of immunoglobulins / antibodies?
Humoral immunity
45
What type of cells produce antibodies?
B-lymphocytes
46
Most abundant metabolic waste product?
CO2
47
Where are ribosomes assembled?
Nucleolus
48
What type of fish are hagfish and lampreys?
Jawless fish
49
Where is most ATP generated in cellular respiration?
Electron transport chain
50
Where is bile produced?
Liver
51
What is the chamber where pollen develops?
Anther
52
Female reproductive part of plant?
Pistil
53
Sticky part of pistil that catches pollen?
Stigma
54
Tube connecting stigma to ovary?
Style
55
Myoglobin stores what in muscles?
Oxygen
56
Primary neurotransmitter of parasympathetic nervous system?
Acetylcholine
57
Primary neurotransmitter of sympathetic nervous system?
Norepinephrine
58
Does acetylcholine have excitatory or inhibitory effects on muscles and glands?
Both
59
Excretory organ of annelids?
Nephridia
60
Annelids segmented or non segmented worms?
Segmented
61
What type of bond links nucleotides?
Phosphodiester bonds
62
Major criterion in defining a species?
Reproductive isolation
63
Cephalopod circulatory system?
Open circulatory system
64
What type of viruses contain both DNA AND RNA?
None
65
Prions?
Infectious protein particles
66
Distinguishing feature of tRNA?
Unusual bases
67
Shape of tRNA molecules maintained by what bond?
Hydrogen bonding
68
Kingdom for blue-green algae and bacteria?
Monera
69
Paramecium kingdom?
Protista
70
Green algae kingdom?
Protista
71
Plasmodium cause?
Malaria
72
Osteoblasts mature into?
Osteocytes
73
Mast cells release?
Histamine
74
Collagen made by?
Fibroblasts
75
Vertebrae grouped in what phylum?
Chordata
76
Amnion?
Fluid filled sac that surrounds the embryo
77
Allantois sac stores?
Nitrogenous waste
78
rRNA makes up what percentage of RNA?
80%
79
How do codons and anticodons bind?
Hydrogen bonding
80
Denitrification?
Nitrate or nitrite converted to N2
81
NADH yields how many ATP?
3 ATP
82
FADH2 yields how many ATP?
2
83
Where does electron transport chain pump protons?
Out of mitochondrial matrix into intermembrane space
84
Lichen is combination of what?
Blue-green alga with fungus
85
How many quarts of blood in adult?
5 quarts
86
Antibodies consist of ?
Two heavy chains linked to two light chains by disulfide bonds
87
Sticky part of flower that catches pollen?
Stigma
88
Mullerian mimicry?
Group of organisms posses same yellow warning color (wasps, bees, hornets
89
Batesian mimicry?
Deceptive mimicry
90
In response to smoking, mucous production increase or decrease?
Increase
91
Micro injection fertilization?
Sperm cell directly injected into egg
92
Promoter region in prokaryotes?
Pribnow box
93
Promoter sequence in eukaryotes?
TATA box
94
Macrophages derived from what cells?
Monocytes
95
Erthroblastois fetalis
Mother?
Fetus?
```
Mother Rh (-)
Fetus Rh(+)
```
96
Egg or sperm
Chromosome #?
Chromatid #?
23 chromosomes
| 23 chromatid
97
What type of cells are histones found in?
Eukaryotes
98
Nucleosomes?
Bead like structures of histones wrapped by DNA
99
Complement system function?
Destroy microorganisms
100
Shortest period of mitosis?
Anaphase
101
When does synapsis occur?
Prophase I of meiosis
102
What is synapsis?
Pairing of homologous chromosomes
103
Allopatric speciation?
New species forms because of geographic isolation
104
Sympatric speciation?
Speciation occurs after ecological, genetic, or behavioral barriers arise within the same geographical boundary
105
Earthworm phylum?
Annelida
106
Flatworm phylum?
Platyhelminthes
107
Zymogen?
Inactive form of an enzyme
108
Does endocytosis use ATP?
| Transport of what?
Yes
| Liquid transport
109
Phagocytosis material type?
Solids
110
Streptococci form what structures?
Chains
111
Staphylococci form what structures?
Clusters
112
Where is greatest resistance to blood flow?
Arterioles
113
Number of incisors?
8 incisors
114
How many canines?
4 canines
115
How many premolars?
8
116
How many molars?
12
117
GC or AT makes DNA more stable?
GC
