What functions does transposase perform during transposition of a DNA transposon? Select all that apply.
_____ Recognizes inverted repeats at the end of the TE.
_____ Cleaves the ends of the TE.
_____ Moves TE to a new site in the genome.
_____ Cleaves target DNA in a staggered manner.
_____ Fills in the base pairs at the staggered ends of the target DNA.
__X__ Recognizes inverted repeats at the end of the TE.
__X__ Cleaves the ends of the TE.
__X__ Moves TE to a new site in the genome.
__X__ Cleaves target DNA in a staggered manner.
_____ Fills in the base pairs at the staggered ends of the target DNA.
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Vertical evolution arises from Select all that apply.
_____ genetic mutations. _____ sexual reproduction. _____ bacterial conjugation. _____ gene duplication. _____ interspecies exchange of genes.
Which of the following statements about the
electromagnetic spectrum is true? a. Infrared energy is sufficient to produce ionization. b. Infrared radiation has more energy than red radiation. c. Visible light has more energy than ultraviolet radiation. d. Chlorophyll absorbs some visible wavelengths, but not all. e. Chloroplasts absorb all wavelengths of visible light equally.
Cell-mediated immunity most directly involves cells attaching infected and/or cancerous cells.
A) B B) T C) Macrophage D) MHS
____________________ are rapidly dividing cells in the skin that take up pigment and die, pushing through the skin surface as a shaft of hair.
Fill in the blank(s) with the appropriate word(s).