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VIRGINIA BIOLOGY SOL JLAB REVIEW QUESTIONS AND ANSWERS
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VIRGINIA BIOLOGY SOL JLAB REVIEW QUESTIONS ANDANSWERS
In which part of the flower does fertilization take place?
Pistil
Photosynthesis equation
6CO2 + 6H2O --> light energy --> C6H12O6 + 6O2
Tissue samples taken from the heart and stomach of a grasshopper would be
expected to have the same - a. DNA b. cell shape c. cell size d. metabolic rates
a. DNA
A student soaked 50 lima bean seeds and 50 green bean seeds in water for 24 hours.
Then she planted the seeds in soil at a depth of two centimetres, using the same
amount of water, light, and heat for each kind of seed. She measured every three
days to determine which type of seed grew the fastest.
The paragraph describes - a. experiment b. conclusion c. hypothesis d. observation
a. experiment
The x-ray diffraction of DNA led to the idea that DNA -
is a double helix
Many Northern Hemisphere birds respond to seasonal environmental changes by -
migrating
A student wanted to look at plant growth in five different soil samples. He planted
the same type of seeds in identical containers and left them together in full sunlight.
He gave each plant the same amount of water and charted the growth of each plant
stem. What is the independent variable in this experiment?
Soil
, We have an expert-written solution to this problem!
Bones do all of the following EXCEPT - a. make blood cells b. make nerve cells c.
store calcium d. protect organs
b. make nerve cells
People who have been exposed to excessive radiation often experience mutations.
If these mutations only occur in somatic (body) cells, these people may -
a. pass on these mutations to their offspring
b. develop entirely new DNA sequences in all cells
c. experience an increased risk of cancer
d. experience difficulties replicating RNA
c. experience an increased risk of cancer
Viruses are made up of either DNA or RNA surrounded by a coating of protein.
When the two main substances that make up a virus are broken into smaller
fragments, these fragments are -
a. fatty acids and glycerol
b. amino acids and nucleotides
c. fatty acids and amino acids
d. amino acids and simple sugars
b. amino acids and nucleotides
In rabbits, short fur (F) is dominant to long fur (f). According to the Punnett square,
what is the chance of two heterozygous short-haired rabbits having offspring with
short fur?
75%
What is responsible for the "rough" appearance of the endoplasmic reticulum?
ribosomes
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