Where is the cochlea located?
A. in the inner ear
B. in the middle ear
C. in the outer ear
D. in the vestibular system
A
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A homologous chromosome pair is best described as two chromosomes having ____
a. the same genes in the same order but possibly having different alleles of those genes b. the same alleles of the same genes in the same order c. the same alleles of the same genes in a different order d. different alleles of the same genes arranged in a different order e. identical DNA sequences
Chemical compounds secreted by mammals and insects to communicate sexual readiness are called
a. pheromones. b. developers. c. hormones. d. testosterones. e. estrogens.
When cytokinins are sprayed on leaves of a cut stem, the leaves become, or remain, yellow. Indicate whether the statement is true or false
Which cellular component is capable of digestion?
a. the rough endoplasmic reticulum b. the Golgi complex c. the ribosome d. the lysosome