Sea snakes are valued for their exotic skins
Indicate whether the statement is true or false
T
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If the concept of blending inheritance were true, would variation increase or decrease over time?
A. Increase B. Decrease C. stay the same
Fomites, food, and air serve as indirect transmission routes of pathogens.
Answer the following statement true (T) or false (F)
One method used to prevent disulfide bond interference with protein sequencing procedures is:
A) cleaving proteins with proteases that specifically recognize disulfide bonds. B) protecting the disulfide bridge against spontaneous reduction to cysteinyl sulfhydryl groups. C) reducing disulfide bridges and preventing their re-formation by further modifying the —SH groups. D) removing cystines from protein sequences by proteolytic cleavage. E) sequencing proteins that do not contain cysteinyl residues.
Which of the following is NOT a physiological change related to photoperiodism?
A. some flowering B. root branching C. breaking bud dormancy D. seed germination E. onset of senescence