How many human chromosomes could fit into a single bacterial cell?
a. 0
b. 1
c. 23
d. 46
e. 92
Ans: a. 0
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Lack of exercise is an example of a(n) _______ for obesity and diabetes
A. complex trait B. quantitative trait C. cause D. environmental risk factor E. genetic risk factor
The correct order for the stages of a phage infection is
A. penetration, transcription, attachment, replication of nucleic acid and protein, assembly, release. B. attachment, penetration, transcription, replication of nucleic acid and protein, assembly, release. C. attachment, replication of nucleic acid and protein, penetration, transcription, assembly, release. D. transcription, attachment replication of nucleic acid and protein, assembly, penetration, release.
On which continent would you have seen the very earliest members of Homo sapiens?
A) Europe B) Asia C) Africa D) Australia
Which of the following tissue types are found only in the zone of cell division of the root tip?
A. ground meristem B. endodermis C. xylem & phloem D. None of these are restricted to just the zone of cell division of the root tip. E. All of these are restricted to the zone of cell division of the root tip.