Microbes acquire N through assimilation
What will be an ideal response?
-secreted products: antibiotics, toxins, quorum signals, biofilm matrix
-autotrophy: CO2 fixation, calvin cycle, reverse TCA cycle
-heterotrophy: catabolism of sugars, amino acids, fatty acids
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The chemical nature of each amino acid is determined by which of the following groups?
A) amino B) carboxyl C) hydroxil D) R E) hydrogen
The building blocks which animals need for life include
A. sugars. B. nucleotides. C. fatty acids. D. amino acids. E. All of the answer choices are correct.
One of the primary reasons for generating a large number of clones in a eukaryotic genomic library is that ________
A) lysogenic phages continue to integrate their DNA into the host chromosome, thus reducing the number of desired recombinant clones B) each cosmid replicates in coordination with the host chromosome C) the host range of the vector is limited D) each ligation product is sequence specific E) each vector can take up only a relatively small fraction of the eukaryotic DNA
The table shows the distribution of the number of bristles in a Drosophila population indicating how many individuals in the population have those particular number of bristles. Calculate the mean number of bristles in the entire population.
a. 4 b. 4.7 c. 13.27 d. 17.14 e. 18.5