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Q 1/140
Score 0
Basic unit of life
30
cell
Q 2/140
Score 0
unicellular organism that lacks a nucleus
30
Prokaryote
140 questions
Q.
Basic unit of life
1
30 sec
Q.
unicellular organism that lacks a nucleus
2
30 sec
Q.
organism whose cells contain a nucleus
3
30 sec
Q.
A carbon based molecule made by living things.
4
30 sec
Q.
biomolecule made of monosaccharides, quick energy
5
30 sec
Q.
biomolecule made of fatty acids and glycerol, long term energy.
6
30 sec
Q.
biomolecule made of amino acids, structure
7
30 sec
Q.
biomolecule made of nucleotides, genetic information
8
30 sec
Q.
Control center of the cell
9
30 sec
Q.
Powerhouse of the cell
10
30 sec
Q.
Site of photosynthesis
11
30 sec
Q.
Cell Storage
12
30 sec
Q.
A cell structure that controls which substances can enter or leave the cell.
13
30 sec
Q.
strong, supporting layer around the cell membrane in some cells
14
30 sec
Q.
Makes proteins
15
30 sec
Q.
cellular energy
16
30 sec
Q.
protein that speeds up reactions
17
30 sec
Q.
substances that are changed
18
30 sec
Q.
substance that is made
19
30 sec
Q.
making sugars using suns energy
20
30 sec
Q.
process of making energy
21
30 sec
Q.
with oxygen
22
30 sec
Q.
without oxygen
23
30 sec
Q.
An organism that makes its own food
24
30 sec
Q.
An organism that cannot make its own food.
25
30 sec
Q.
Organelle that packages proteins
26
30 sec
Q.
Organelle in charge of transport of proteins
27
30 sec
Q.
Reacts with an enzyme
28
30 sec
Q.
The part of the enzyme where the substrate binds
29
30 sec
Q.
A tendency to maintain a balanced or constant internal state
30
30 sec
Q.
movement of water through a membrane
31
30 sec
Q.
Movement of molecules from an area of higher concentration to an area of lower concentration.
32
30 sec
Q.
the movement of substances across a cell membrane without the use of energy by the cell
33
30 sec
Q.
Energy-requiring process that moves material across a cell membrane against a concentration difference
34
30 sec
Q.
water moves out; cell shrivels
35
30 sec
Q.
water moves in; cell swells
36
30 sec
Q.
water moves in and out; cell is balanced
37
30 sec
Q.
Cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases
38
30 sec
Q.
part of eukaryotic cell division during which the cell nucleus divides
39
30 sec
Q.
division of the cytoplasm
40
30 sec
Q.
series of events that cells go through as they grow and divide
41
30 sec
Q.
Chromosomes become visable, nuclear envelop dissolves, spindle forms
42
30 sec
Q.
Chromosomes line up in the middle of the cell
43
30 sec
Q.
Chromosomes are pulled apart
44
30 sec
Q.
After the chromosome seperates, the cell seals off, Final Phase of Mitosis.
45
30 sec
Q.
primary genetic material
46
30 sec
Q.
Copying process by which a cell duplicates its DNA
47
30 sec
Q.
Forming proteins based on information in DNA and carried out by RNA
48
30 sec
Q.
synthesis of an RNA molecule from a DNA template
49
30 sec
Q.
Process by which mRNA is decoded and a protein is produced
50
30 sec
Q.
carries a message from DNA
51
30 sec
Q.
Part of the structure of ribosomes.
52
30 sec
Q.
carries amino acids to the ribosome
53
30 sec
Q.
change in a DNA sequence that affects genetic information
54
30 sec
Q.
3 nucleotide sequence on mRNA that codes for a single amino acid
55
30 sec
Q.
The chemicals that make up the rungs of the DNA ladder. A-T and C-G match.
56
30 sec
Q.
a cell containing two complete sets of chromosomes, one from each parent.
57
30 sec
Q.
a cell having only one complete set of chromosomes
58
30 sec
Q.
a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
59
30 sec
Q.
Process in which homologous chromosomes exchange portions of their chromatids during meiosis.
60
30 sec
Q.
X shaped bodies within the nucleus made of DNA and proteins
61
30 sec
Q.
A picture of all the chromosomes in a cell arranged in pairs
62
30 sec
Q.
sex cells
63
30 sec
Q.
Pair of chromosomes that are the same size, same appearance and same genes.
64
30 sec
Q.
Carrying an extra copy of chromosome 21; also known as Down syndrome.
65
30 sec
Q.
Different forms of a gene
66
30 sec
Q.
specific characteristic of an individual
67
30 sec
Q.
genetic makeup of an organism (letters)
68
30 sec
Q.
physical characteristics of an organism
69
30 sec
Q.
An organism that has two identical alleles for a trait
70
30 sec
Q.
An organism that has two different alleles for a trait
71
30 sec
Q.
An allele that is masked when a dominant allele is present
72
30 sec
Q.
Describes a trait that covers over, or masks, another form of that trait.
73
30 sec
Q.
the study of heredity
74
30 sec
Q.
A cross between two individuals, concentrating on only one definable trait
75
30 sec
Q.
A condition in which both alleles for a gene are fully expressed (both)
76
30 sec
Q.
Cases in which one allele is not completely dominant over another (blend)
77
30 sec
Q.
A, B, AB, O
78
30 sec
Q.
A gene that has more than two alleles
79
30 sec
Q.
Traits controlled by genes located on sex chromosomes.
80
30 sec
Q.
a recessive x-linked disorder in which an individual cannot distinguish between certain colors
81
30 sec
Q.
An X-linked recessive disorder in which blood fails to clot properly, leading to excessive bleeding if injured.
82
30 sec
Q.
A chart or "family tree" that tracks which members of a family have a particular trait
83
30 sec
Q.
A genetic disorder that is present at birth and affects both the respiratory and digestive systems.
84
30 sec
Q.
A human genetic disease caused by a dominant allele; characterized by uncontrollable body movements and degeneration of the nervous system; usually fatal 10 to 20 years after the onset of symptoms.
85
30 sec
Q.
a condition of intellectual disability and associated physical disorders caused by an extra copy of chromosome 21.
86
30 sec
Q.
Change over time
87
30 sec
Q.
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
88
30 sec
Q.
can be found in fossil records, geographical distribution, homologous structures, similarities in early development
89
30 sec
Q.
Structures in different species that are similar because of common ancestry.
90
30 sec
Q.
A structure that is present in an organism but no longer serves its original purpose
91
30 sec
Q.
A trace of an ancient organism that has been preserved in rock.
92
30 sec
Q.
An organism in the earliest stage of development
93
30 sec
Q.
isolation between populations due to physical barriers
94
30 sec
Q.
separation of a species or population so that they no longer interbreed and evolve into two separate species
95
30 sec
Q.
A group of similar organisms that can breed and produce fertile offspring.
96
30 sec
Q.
The science of classifying organisms
97
30 sec
Q.
A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name
98
30 sec
Q.
a key for the identification of organisms based on a series of choices between alternative characters
99
30 sec
Q.
Diagram that shows the evolutionary relationships among a group of organisms
100
30 sec
Q.
The study of how living things interact with each other and their environment
101
30 sec
Q.
A trait that helps an organism survive and reproduce
102
30 sec
Q.
something an animal does that helps it survive
103
30 sec
Q.
an adaptation of an organism's body parts or its coloring
104
30 sec
Q.
a behavior that is inherited rather than learned
105
30 sec
Q.
a behavior that has been learned from experience
106
30 sec
Q.
an organism's decreasing response to a stimulus with repeated exposure to it
107
30 sec
Q.
a learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.
108
30 sec
Q.
Ability of an animal to look like another more harmful animal
109
30 sec
Q.
The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
110
30 sec
Q.
The organic circulation of carbon from the atmosphere into organisms and back again
111
30 sec
Q.
The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere
112
30 sec
Q.
Growth pattern in which the individuals in a population reproduce at a constant rate (J-shaped)
113
30 sec
Q.
Population growth that is controlled by limited resources (S-shaped)
114
30 sec
Q.
The effect of humans on an ecosystem
115
30 sec
Q.
Release of harmful materials into the environment
116
30 sec
Q.
Protective layer in atmosphere that shields earth from UV radiation.
117
30 sec
Q.
Chlorinated Fluorocarbons are chemicals that break down the ozone layer
118
30 sec
Q.
Destruction of forests
119
30 sec
Q.
both organisms benefit
120
30 sec
Q.
One organism benefits and the other is harmed
121
30 sec
Q.
one organism benefits and the other is unaffected
122
30 sec
Q.
An interaction in which one organism kills another for food.
123
30 sec
Q.
the struggle between organisms to survive in a habitat with limited resources
124
30 sec
Q.
have tissues made of cells that transport water and nutrients throughout the plant
125
30 sec
Q.
Do not have any tissues to transport water and nutrients throughout the plant
126
30 sec
Q.
A group of ecosystems that share similar climates and typical organisms
127
30 sec
Q.
The number of different species in an area
128
30 sec
Q.
living
129
30 sec
Q.
Non-living
130
30 sec
Q.
The largest population that an area can support
131
30 sec
Q.
group of individuals of the same species that live in the same area
132
30 sec
Q.
the process of rotting, breaking down, or disintegration
133
30 sec
Q.
The process of dead plants or animals becoming a fossil
134
30 sec
Q.
the process by which certain animals form strong attachments during an early-life critical period
135
30 sec
Q.
Movement toward or away from a stimulus.
136
30 sec
Q.
learning from mistakes
137
30 sec
Q.
The behavior that animals of the same species engage in to prepare for mating.
138
30 sec
Q.
Long-term torpor that is an adaptation to winter cold and food scarcity.
139
30 sec
Q.
A period of reduced activity that some animals experience in the summer
