(b) Explain why vacuum flasks wereused in this experiment instead ofordinary flasks.(c) Explain why seeds in flask B were:(i) boiled.(ii) soaked in formalin.() State and account for the resultsobserved in the above set-up afterseveral days.20. The apparatus below were used toinvestigate whether voast in gluonrn presence of these organelles instriated muscle cells.19. A pupil set up the followingexperiment to investigate an aspectof germination:anFlask AFlask BVacuum flasksBoiledLoow JedseedsSerminatingseedsWet cottonwolThermometer.(b) State a possible aim of thisexperiment.

Plants also carry out aerobic respiration. The electrons released at the end of the electron…

(b) Explain why vacuum flasks were used in this experiment instead of ordinary flasks. (c) Explain why seeds in flask B were: (i) boiled. (ii) soaked in formalin. (d) State and account for the results observed in the above set-up after several days.

(b) Explain why vacuum flasks were used in this experiment instead of ordinary flasks. (c) Explain why seeds in flask B were: (i) boiled. (ii) soaked in formalin. (d) State and account for the results observed in the above set-up after several days.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter30: Plant Form And Physiology

Section: Chapter Questions

Problem 43CTQ: Stomata close in response to bacterial infection. Why is this response a mechanism of defense for...

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Concept explainers

Abiogenesis

Question

(b) Explain why vacuum flasks were
used in this experiment instead of
ordinary flasks.
(c) Explain why seeds in flask B were:
(i) boiled.
(ii) soaked in formalin.
() State and account for the results
observed in the above set-up after
several days.
20. The apparatus below were used to
investigate whether voast in gluonrn

presence of these organelles in
striated muscle cells.
19. A pupil set up the following
experiment to investigate an aspect
of germination:
an
Flask A
Flask B
Vacuum flasks
Boiled
Loow Jed
seeds
Serminating
seeds
Wet cotton
wol
Thermometer.
(b) State a possible aim of this
experiment.

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