Where is the nucleus of a neuron found?

A. Cell body
B. Myelin sheath
C. Axon branches
D. Dendrites
E. Companion cell


Answer: A

Biology & Microbiology

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Which of the following represents the reversible reaction of ATP formation?

a. ATP + H2O ? ADP + Pi b. ADP + ATP ? free energy + Pi c. ADP + Pi + free energy ? ATP + H2O d. Free energy + H2O + Pi ? ATP

Biology & Microbiology

As water flows into the osmometer, the pressure measured by the instrument ________

a. increases. b. decreases. c. never stabilizes. d. slowly falls to zero.

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You work in a DNA lab and have been doing karyotypes for research on various animal species. Your labeling has fallen off several of your specimens. You think this karyotype is from a human. How do you know?

1.There are 23 different chromosomes (46 chromosomes total), which is characteristic of humans. 2.Humans do not have Y chromosomes. 3.There are two of each chromosome, which is characteristic of humans. 4.There is no way to tell. You need more information to determine if this karyotype is from a human.

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If the sequence ATGCATGTCAATTGA were mutated such that a base were inserted after the first G and the third T were deleted, how many amino acids would be changed in the mutant protein? View Available Hint(s) If the sequence ATGCATGTCAATTGA were mutated such that a base were inserted after the first G and the third T were deleted, how many amino acids would be changed in the mutant protein?

a. Two. b. Three. c. One. d. None.

Biology & Microbiology