Chimpanzees are considered to be our closest extant relative because
A. they have flat, spreading noses.
B. their upper/lower limbs equally account for bearing the body weight.
C. they are a highly social species.
D. they have prehensile tails.
E. their genome is 99% identical to the human genome.
Answer: E
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In genetics, a chi-square test can be used to determine ____
a. whether an organism with a dominant phenotype is homozygous or heterozygous b. whether an allele exhibits complete or incomplete dominance c. what the predicted outcome of a dihybrid cross will be d. how closely actual results of a cross match the expected results e. whether a trait is determined by one gene or many genes
Neuroglial Schwann cells produce ____, which _____
a. neurotransmitters; are unnecessary for proper nervous signal conduction b. the myelin sheath; maintain the resting potential in neurons c. the myelin sheath; increases the speed of an action potential d. neurotransmitters; conduct signals across synapses e. meninges; provide neurotransmitters to neurons
What localization occurs for proteins that are normally nuclear when their nuclear localization signal is deleted and the protein is injected into the cytoplasm of cultured cells?
a. Nucleus b. Cytoplasm c. In a ring around the outside of the nuclear envelope d. Extracellular
________ is altering behavior as a result of previous experience.
Fill in the blank(s) with the appropriate word(s).