Three levels of structure

What will be an ideal response?


Gross, microscopic, chemical

Biology & Microbiology

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Establishment of lysogeny by phage is usually influenced strongly by ________.

A. the physiological condition of the host at the time of infection B. the previous host infected by the virus C. components of the host replication machinery D. None of the choices are correct.

Biology & Microbiology

Genes are the segments of DNA that control the production of ___.

What will be an ideal response?

Biology & Microbiology

Using the figure below, identify the labeled part.


1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________

Biology & Microbiology

In adult vertebrates, which of these is not one of the four principal kinds of primary tissues? 

A. epithelial B. connective C. supportive D. muscle E. nerve

Biology & Microbiology