Sound is amplified by components of the middle ear when they vibrate. When one of these components, the stapes, vibrates, the ________ will vibrate
A) tympanic membrane
B) pinna
C) oval window
D) eustachian tube
E) cochlea
C
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Which of these is rich in unsaturated fats?
A. a fat that is solid at room temperature B. butter C. beef fat D. bacon grease E. olive oil
The left hemisphere of the brain is responsible for
a. music. b. artistic ability. c. spatial relationships. d. language skills. e. abstract abilities.
An achondroplastic male dwarf with normal vision marries a color-blind woman of normal height. The man's father was six-feet tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive. They have a daughter who is a dwarf with normal color vision. What is the probability that she is heterozygous for both genes?
A) 0 B) 0.25 C) 0.50 D) 0.75 E) 1.00
_____________ refers to potentially heritable modifications to DNA that can affect gene expression without changing the DNA sequence.
A. Genetic B. Generative C. Genial D. Epigenetic E. Epigenomic