Body Organization — Unit test Answers
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The role of the cell membrane is most like the job of which person?
A
a firefighter who evacuates people from a burning buildingB
a police officer who allows select people to enter and leave a crime sceneC
a bus driver who drives the express route from the suburb to downtownD
a teacher who keeps students in the classroom during an exam22
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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
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 contractions24
The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?
A
They deliver nutrients to the other tissues.B
They deliver oxygen to the blood.C
They are both used for support.D
They help break down food.25
Consider this animal cell.Which organelles are labeled G?
A
centriolesB
lysosomesC
ribosomesD
mitochondriaDid you find these answers helpful?
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