How does current theory explain the origin of a nucleus in eukaryotic cells?
A. A prokaryotic cell was engulfed by another
cell and became specialized in DNA
replication.
B. A prokaryotic cell was engulfed by another
cell and became specialized in DNA
transcription.
C. A prokaryotic cell was engulfed by another
cell and became specialized in translation.
D. There is no current theory that explains the
origin of the nucleus.
E. None of the answers options is correct.
D
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Which of the following examples or elements of culture is uniquely human? Select all that apply
A. an individual learning by imitation from another member of its own species B. an individual teaching another individual of its own species by tailoring the information available to the individual being taught C. regional variation in tool use D. language E. None of these are uniquely human.
Chloride ions move by ________, following the transport of sodium out of the proximal tubule
Fill in the blank(s) with correct word
Typical pneumonia is caused by which bacterium?
a) Haemophilus influenzae b) Streptococcus pneumoniae c) Mycoplasma pneumoniae d) Legionella pneumophila
It is possible to determine the nature of an animal diet just by looking at the teeth of the animal.
Answer the following statement true (T) or false (F)