PLTW: HBS EOC EXAM REVIEW QUESTIONS
WITH VERIFIED ANSWERS
Female end of pelvis-correct-answer-wider pubic arch
What bones can be used to determine height?-correct-answer-femur and
humerus
What is the best predictor of age in a pelvis?-correct-answer-more fused = older
DNA stands for-correct-answer-deoxyribonucleic acid
DNA makes up ______, which make up _______.-correct-answer-genes,
chromosomes
Each gene codes for a ______, which determines a _______.-correct-answer-
protein, trait
(ex, hemoglobin protein, oxygen carrying RBC trait)
,2|Page
What are biometrics?-correct-answer-"life measurement" used for security
purposes
ex. iris scans, voice, analysis, fingerprinting
What is used to amplify DNA (make many samples of DNA)-correct-answer-
polymerase chain reactions (PCR)
What kind of chemicals cut DNA?-correct-answer-restriction enzymes
What is used to analyze the size of DNA fragments?-correct-answer-gel
electrophoresis
Restriction enzymes cut DNA into smaller fragments called ______.-correct-
answer-restriction length polymorphisms (RFPL), are what is seen on gel
electrophoresis
What is gel electrophoresis?-correct-answer-how RFPLs get seperated
,3|Page
smaller bits of DNA are lighter, so bits get separated by size and allow to tell
individuals apart
What charge does DNA have?-correct-answer-negative
What kind of gel does gel electrophoresis use?-correct-answer-agarose gel
When DNA is placed in the electrophoresis well, it is near a _______ electrode.
When electricity is started, the move toward _______ electrode.-correct-answer-
negative, positive
Communication in the human body can be what two types?-correct-answer-
chemical or electrical
What are consequences of miscommunication in the body?-correct-answer-
uncontrolled movements, lack of balance, paralysis, mental illness, etc.
What is sensory input?-correct-answer-sense information that is carried to the
brain
, 4|Page
What is motor output?-correct-answer-muscle movement as a response to a
stimulus
What is the peripheral nervous system (PNS)?-correct-answer-the nerves of the
body not including the brain and spinal cord
What is the central nervous system (CNS)?-correct-answer-the nerves of the brain
and spinal cord
What parts of the brain control necessary bodily functions?-correct-answer-
cerebellum (balance, coordination), brainstem (breathing, swallowing, heart rate,
etc.)
What parts of the brain control emotion?-correct-answer-hippocampus
(memory), amygdala (anger), hypothalmus (desire)