Which description(s) correspond to class Virus in order to test your understanding of the characteristics of prokaryotes, eukaryotes, and viruses.
> Must be viewed with an electron microscope
> Acellular particle
> Size range: 10-200nm
> Cell type that lacks a nucleus
> Contains a nucleus and other membrane-bound organelles
> Size range: 1-10?m
> Acellular particle
> Size range: 10-200nm
> Must be viewed with an electron microscope
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All of the following about Homo habilis is true except
A. the species lived in Africa for 500,000 years and then became extinct. B. the species coexisted with dinosaurs. C. the species was replaced by a new kind of human, which had a larger brain. D. the species was small in stature. E. the species was associated with tools.
People who have received the BCG immunization will generally have a negative tuberculin skin test.
Answer the following statement true (T) or false (F)
You are interested in expression of regions of the X chromosome at different times in human fetal development. You hypothesize that large regions of the X chromosomes will be expressed at times when parts of the reproductive organs are developing
What structural and chemical characteristics of the X chromosome might you look at over time to determine when expression of genes on the X chromosome is enhanced or repressed? What will be an ideal response?
A technique using fluorescent-tagged probes to detect specific DNA sequences in their natural locations is known as (BLOTTING/FISH/PCR).
Fill in the blank(s) with the appropriate word(s).