Оценка:
Опубликованно: 10.09.2003.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Determining the concentration of a limewater solution.', 1.
  • Эссе 'Determining the concentration of a limewater solution.', 2.
  • Эссе 'Determining the concentration of a limewater solution.', 3.
  • Эссе 'Determining the concentration of a limewater solution.', 4.
  • Эссе 'Determining the concentration of a limewater solution.', 5.
Фрагмент работы

Aim
This experiment aims to determine the effect an increasing temperature has on a typical plant cell structure.
Introduction
Cells are surrounded by thin membranes (approximately 5 nm) that separate inside from out, life from non-life. These cell membranes perform many functions:
·Barrier: membranes keep the contents of the cell together, allowing nutrients to pass in but keeping out many harmful substances.
·Signalling: membranes relays information about the surroundings of the cell tot eh inside and in the other direction
·Factory site: membranes provides pla…

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