__________ or __________ extend from many prokaryotic cells and serve in attachment and motility. Fill in the blank(s) with the appropriate word(s)
Pili; flagella
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After organic molecules have been formed in abundance, what is the next step that must occur in the
progression toward a living organism?
a. evaporation of the water the organic compounds are dissolved in b. dehydration reactions linking macromolecule monomers into larger molecules c. increasing availability of organic compounds d. the formation of a semi-permeable membrane e. aggregation of the different organic compounds so all of the pre-cell building blocks are in the same localized region
50% of the male sex chromosomes
a. are Y. b. are X. c. are XY. d. are either X or Y. e. are none of these.
To study the maximum amount of genome diversity in the human species, which of the following provides the most information?
A) karyotyping B) SNP variation C) DNA fingerprinting D) sequencing of one or more specific genes E) ortholog comparisons
Why do NAD attach hydrogens to pyruvate?
What will be an ideal response?