How does losing or acquiring territory affect the brain anatomy and chemistry of an African cichlid fish?
a. only the size of the brain is changed
b. only the shape of brain is changed
c. both the size and shape of the brain are changed
d. the size of brain cells producing sex hormones are changed
e. the size of brain cells producing territorial hormone are changed
ANSWER: d
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Which muscle results in a facial expression of horror and disgust
A) platysma B) risorius C) zygomaticus minor D) zygomaticus major
Sexual reproduction
a. leads to uniform characteristics in a population. b. results in new combinations of genetic traits. c. produces genetic clones. d. requires less tissue differentiation than asexual reproduction. e. only requires mitosis.
Which of the following sensations would involve a chemoreceptor?
A. taste B. smell C. vision D. Only vision and taste only are correct. E. Only smell and taste only are correct.
Which of the following takes place during translation?
A) the conversion of genetic information from the language of nucleic acids to the language of proteins B) the conversion of genetic information from DNA nucleotides into RNA nucleotides C) the conversion of genetic information from the language of proteins to the language of enzymes