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Biology: Final Exam Review Flashcards | StudBud
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Biology: Final Exam Review
Biology: Final Exam Review
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Answers
1
Water Is polar
True
False
2
A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is
25%
50%
0%
75%
3
If a cell has 10 chromosomes, each of its daughter cells will have _ chromosomes after mitosis.
10
40
5
20
4
Cancer can be simply described as...
Infection of the cells
Uncontrolled cell growth
Cellular degradation
Uncontrolled cell death
5
How does a change in DNA bases affect an organism?
It could change and be harmful to the organism.
It could change and be beneficial for the organism
All of these are correct
The change could have no effect on an organism.
6
Stem cells will one day be able to make modern medicine better and more effective.
False
True
7
When does crossing over occur in meiosis?
metaphase I
prophase I
prophase II
anaphase I
8
Which of the following pairs of genotypes result in the same phenotype?
IBIB and IAIB
IAIA and IAi
IBi and ii
IAIA and IAIB
9
A group of individuals that can interbreed and produce fertile offspring.
Ecology
Habitat
Species
Population
10
What percentage of human sperm cells carry an X chromosome?
25%
100%
0%
50%
11
Looking at the diagram what process is taking place?
TransLation
DNA Replication
Mutation
TransCription
12
The evolution of Darwin's finches is an example of _____
speciation
equilibrium
artificial selection
stabilizing selection
13
If a cell has 50 chromosomes, each of its daughter cells will have __ chromosomes after meiosis
25
10
50
100
14
Which of the following statements best explains the effect an adaptation has on an organism?
it increases an organism's chance to survive
it does not affect an organism's chance to survive
it decreases an organism's ability to find food and eat
it decreases an organism's chance to reproduce
15
Which of the following forms a base pair with guanine?
Adenine
Deoxyribose
Cytosine
Thymine
16
The organelle that determines if the ER is rough or smooth and is responsible for making proteins is the _____.
centriole
mitochondria
ribosome
lysosome
17
Purple loosestrife is an aggressive, non-native flowering plant that is now destroying fields and wetlands across the co
It crowds out native plants
It pollutes the air
It prevents insects from pollinating other plants
It interrupts the water cycle
18
Different forms of a gene are referred to as ___
amino acids
alleles
hybrids
traits
19
Which factors can affect population size?
births
deaths
# that enter or leave a population
all of the above
20
Human activities cannot affect the quality or supply of renewable resources such as land, water, and air.
True
False
21
Which pH is considered neutral?
7
3
10
12
22
The monomer of the DNA polymer is
nitrogenous base
nucleic acid
nucleotide
sugar-phosphate backbone
23
The symbiotic relationship between a flower and the insect that feeds on the nectar is an example of:
mutualism
parasitism
predation
commensalism
24
Two populations of the same species become isolated from each other by a new river leading to _
genetic drift
homologous structures
geographical isolation
behavioral isolation
25
What is the first step in completing the scientific method?
form a conclusion
experiment
form a hypothesis
make observations and ask questions
26
Amino Acids are building blocks of proteins just as
enzymes are building blocks of carbohydrates
monosaccharides are a building block of polysaccharides
lipids are building blocks of DNA
DNA is a building block of RNA
27
During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases
GAUCCA
GATCCA
TCGAAC
AGCTTG
28
How many chromosomes does a human bone cell have?
92
12
46
23
29
Which of the following would be an example of a producer in the desert?
lizard
fox
sand
cactus
30
How do the cells created via mitosis compare to the original cell?
They are genetically identical
none of these are correct
They are genetically different
it depends on the type of cell
31
Different species can share the same habitat, but competition among them is reduced if they
occupy different niches
eat less
reproduce at different times
increase their populations
32
In most cells photosynthesis takes place in the _____ and respiration takes place in the _____.
nucleus; chloroplast
chloroplast; mitochondria
chlorophyll; Golgi body
mitochondria; chloroplasts
33
Where do the reactions of cellular respiration occur?
Cytoplasm and Mitochondria
None of these
Mitochondria
34
This statement would be which part of the SM: "People are using umbrellas, it must be raining."
Inference
Hypothesis
Observation
Question
35
Only heterotrophs need to perform cellular respiration.
True
False
36
What is produced as a result of Photosynthesis
Glucose and Oxygen
CO2 and Water
Water and CO2
Glucose and Water
37
Science is all of the following EXCEPT:
Never changes
Provides explanations of the natural world
A way of learning about the world
Knowledge gained through studies
38
During exercise, one maintains homeostasis by
decreasing O2 levels
increasing CO2 levels
sweating
stopping all other maintenance activities
39
Genes contain instructions for assembling...
nucleosomes
Proteins
pyrimidines
purines
40
What process occurs during meiosis resulting in increased genetic variation?
morphogenesis
cell differentiation
crossing-over
gamete production
41
In humans, what substance is produced from the process of anaerobic fermentation?
blood
fat
alcohol
lactic acid
42
Which of these describes a main difference between DNA and RNA?
RNA is single stranded
RNA has Uracil instead of Thymine
RNA uses ribose sugar
All of the above
43
Eukaryotes usually contain...
a nucleus
genetic material
specialized organelles
all of the above
44
What is one of the advantages, why is it better to reproduce sexually versus asexually?
cloning
survival of the fittest
genetic variation
overproduction
45
The ability of an individual organism to survive and reproduce is known as it's _____.
descent with modification
natural selection
fitness
adaption
46
Unlike mitosis, meiosis results in the formation of ______.
two genetically identical diploid cells.
two genetically different diploid cells.
four genetically identical haploid cells.
four genetically different haploid cells.
47
What purpose does mRNA serve in protein synthesis?
none of the above
transporting new proteins
transferring amino acids to ribosomes
carrying genetic instructions from the nucleus to the ribosomes
48
Which of the following correctly represents the process of protein synthesis?
RNA translation to DNA transcription to proteins
DNA transcription to RNA translation to proteins
protein transcription to RNA translation to DNA
DNA translation to RNA transcription to proteins
49
How could adding an extra chromosome into a BODY CELL affect one's offspring?
All offspring would have an extra chromosome.
The extra chromosome in the body cell would prevent it from making gametes
The offspring would be unaffected because it was inserted into a body cell.
None of the answer choices are correct.
50
A major structural component of cell membranes.
Proteins
Carbohydrate
Nucleic Acids
Lipids
51
If diploid number of Carrots is 18, the haploid number is...
18
27
36
9
52
The characteristic of life: Every living thing grows and develops
All organisms are made up of at least one cell
All living things reproduce
Maintaining a stable internal environment
Cells differentiate and specialize to perform specific tasks and grow
53
A ______ mutation is caused by the addition or deletion of a single letter
Frameshift
Silent
Point
Nonsense
54
In pea plants, Tall (T) is dominant over short (t) in pea plants. What is the expected phenotypic ratio of this cross?
3:1
1:3
4:0
2:2
55
Which of the following does not provide evidence of evolution?
natural variations within species
homologous structures of living things
fossil record
similarities in embryological development
56
The characteristic of life: All living things obtain and use energy.
Organisms must break down materials to grow, develop, and reproduce
All living things reproduce
Cells become specialized to perform specific tasks
A change over time
57
A breed of chicken shows codominance. One code for black feathers and the other code for white. Heterozygote will appear
gray
white
black
speckled
58
Which of the following organelles would NOT be present in an animal cell?
chloroplasts
ribosomes
cell membrane
mitochondria
59
The branch of biology dealing with interactions among organisms and the environment
ecology
modeling
recycling
economy
60
Which community would have a greater risk of extinction due to disease, habitat destruction or other changes?
environmental changes cannot cause extinction
the less diverse community would be at a greater risk of extinction
the two communities would be at the same risk of complete extinction
the more diverse community would be at a greater risk of extinction
61
All organs in an organ system work together to perform a common function.
True
False
62
All the interconnected feeding relationships in an ecosystem
food chain
food interaction
food network
food web
63
A charged atom from either the gain or loss of an electron is referred to as a(n):
ion
compound
molecule
isotope
64
Roan cattle show codominance for the color of their hair (R & W). What if it showed incomplete dominance instead?
It would be spotted.
It would be red.
It would be white.
It would be pink.
65
What stage of mitosis is similar to this way of dismantling a bridge by pulling it away or apart from each other?
prophase
anaphase
telophase
metaphase
66
What process is taking place in the image?
DNA Replication
None of the above
Translation
Transcription
67
The community described in the question above with a great diversity of species is called a _________ community.
pioneering
climax
primary
tertiary
68
What is the maximum percentage of food energy available to the fish assuming the seeds produce 100% of food energy?
100%
0.1%
10%
1%
69
The more similar the DNA sequences of two species, ________.
the greater the evidence of their coevolution
the more distantly they are related in evolutionary terms
the more difficult it is to classify them
the more recently they shared a common ancestor
