Unit Test — Unit test Answers
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Consider this animal cell.Which organelles are labeled G?
A
centriolesB
lysosomesC
ribosomesD
mitochondria22
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How is mitochondrial DNA (mtDNA) typing used in forensic science?
A
A suspect’s mtDNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.B
A suspect’s mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.C
A suspect’s nuclear DNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.D
A suspect’s nuclear DNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.23
Which are characteristics of epithelial cells? Select two options. are unable to be used for secretion of materialsmain cells of the nervous systemfound lining many areas that contact the external environmentplays a role in protectioncarry oxygen through the bodymake up the skeletal muscle
A
are unable to be used for secretion of materialsB
main cells of the nervous systemC
found lining many areas that contact the external environmentD
plays a role in protectionE
carry oxygen through the bodyF
make up the skeletal muscle24
A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?
A
The cell is prokaryotic because it has DNA.B
The cell is prokaryotic because it has cytoplasm.C
The cell is eukaryotic because it has a cell membrane.D
The cell is eukaryotic because it has chloroplasts.25
How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?
A
with more contractionsB
with fewer contractionsC
the contractions would suddenly ceaseD
with the same frequency of contractionsDid you find these answers helpful?
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