Organisms that have their optimum growth pH between 0.0 and 5.5 are called ________.

Fill in the blank(s) with the appropriate word(s).


acidophiles

Biology & Microbiology

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Which group of terms refers to the microsporophyll, the male portion of a flower?

(a) ovary, stamens, pistil. (b) stigma, style, ovary. (c) anther, stamen, filament. (d) megasporangium, microsporangium, ovule.

Biology & Microbiology

One of the direct products of deamination is urea

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Explain what radioisotopes are, and describe how they can be used to monitor the uptake of a specific biochemical by a microbial culture.

What will be an ideal response?

Biology & Microbiology

Which of the following is not a general mechanism that cells use to maintain stable patterns of gene expression as cells divide?

(a) a positive feedback loop, mediated by a transcriptional regulator that activates transcription of its own gene in addition to other cell-type-specific genes (b) faithful propagation of condensed chromatin structures as cells divide (c) inheritance of DNA methylation patterns when cells divide (d) proper segregation of housekeeping proteins when cells divide

Biology & Microbiology