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WorksheetsBiology Semester 2 Final Review
Total questions: 147
Worksheet time: 1hrs 15mins
What part of the nucleotide is circled?
deoxyribose sugar
phosphate group
nitrogen base
What part of the nucleotide is circled?
deoxyribose sugar
phosphate group
nitrogen base
Which part is not present in the structure of a nucleotide?
phosphate group
deoxyribose sugar
nitrogen base
amino
The DNA fragment"Hgb" is smaller larger than fragment "Alb".
This picture shows...
Endocytosis
Protein transport
Protein Synthesis
Replication
How can there be so many proteins when there are only 20 amino acids?
chemical composition of one single amino acid could have several forms.
size of a given amino acid can vary.
same amino acid can have many different properties.
sequence and number of amino acids is different.
What kind of nucleic acid replicates during interphase?
DNA only
RNA only
mRNA only
mRNA & tRNA
DNA, mRNA and tRNA and rRNA
The DNA sequence ATA would translate to what anticodon on a tRNA molecule?
TAT
UAU
AUA
"The elephant has a ____________ trait, since the size of trunk has not changed for 6 million years."
Check all that are factors in natural selection
large populations that have variation
competition for resources
adaptations
Produce more offspring than can survive
catastrophism
What does it mean if a population is in Hardy-Weinberg equilibrium?
equilibrium is coming to an end
genetic drift is occurring
the population is evolving rapidly
the population is not evolving
A few birds migrate to a new island and start a new colony. This is an example of...
more variety in the population
the bottleneck effect
the founder effect
disruptive selection
What type of natural selection does this graph represent?
directional
stabilizing
disruptive
What type of natural selection does this graph represent?
directional
stabilizing
disruptive
What is this picture depicting?
primary succession
secondary succession
a biome
abiotic factors
Which of the following are density dependent factors?
competition for resources
predation
disease
natural disasters
Which of the following are examples of a density independent factors?
forest fire
seasonal cycles
storms
disease
Which population growth model most closely describes the human population in the modern age?
logistic growth
exponential growth
upward growth
tumor growth
What is the biggest contribution of the carbon cycle?
provide building blocks for DNA
Recycle nutrients & break down waste
Central member to all biogeochemical cycles
regulating atmospheric temperature
A group of squirrels living in Yosemite is an example of
a biome
a community
an ecosystem
a population
What would decrease the size of a population
emigration & births
immigration & births
emigration & deaths
immigration & deaths
Which would have the highest growth rate?
A
B
C
