Question
Leaf senescence is delayed in ipt1 (“I-P-T-1”) Arabidopsis mutants incapable of synthesizing these compounds. For 10 points each:
[10m] Name these plant hormones that include kinetin and zeatin. Plant shoot and root growth are induced by differing ratios of these plant hormones to auxins.
ANSWER: cytokinins [reject “cytokines”]
[10e] cre1 (“cree-1”) mutants unable to sense cytokinins cannot produce this tissue partly composed of sieve elements. This tissue, which facilitates sugar transport throughout a plant, is contrasted with the xylem.
ANSWER: phloem
[10h] Research on cytokinins was trailblazed by this biologist, who worked with C. O. Miller to create shoot-inducing media. Along with Toshio Murashige, this man co-names a popular medium used to grow plant tissue cultures.
ANSWER: Folke Skoog [or Folke Karl Skoog; accept Murashige and Skoog medium]
<Kane Nguyen, Biology>
Summary
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