Biology 2.1.5 Breaking down membranes

Description

A level Biology (2.1.5 Biological membranes) Quiz on Biology 2.1.5 Breaking down membranes, created by Sam Gunnell on 07/03/2019.
Sam Gunnell
Quiz by Sam Gunnell, updated more than 1 year ago
Sam Gunnell
Created by Sam Gunnell over 5 years ago
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Resource summary

Question 1

Question
The two things that break down membranes are [blank_start]temperature[blank_end] and [blank_start]organic[blank_end] [blank_start]solvents[blank_end]
Answer
  • temperature
  • organic
  • solvents

Question 2

Question
An increase in temperature results in more [blank_start]kinetic[blank_end] [blank_start]energy[blank_end]. An increase in movement results in more [blank_start]fluidity[blank_end] and permeability
Answer
  • kinetic
  • energy
  • fluidity

Question 3

Question
The phospholipids [blank_start]vibrate[blank_end], causing them to get further apart. Once there are bigger gaps in the membrane, larger molecules can pass through
Answer
  • vibrate

Question 4

Question
Very high temperatures completly break down the membrane
Answer
  • True
  • False

Question 5

Question
[blank_start]Ethanol[blank_end] is an organic solvent
Answer
  • Ethanol
  • Glucose
  • Water

Question 6

Question
Ethanol dissolves the [blank_start]lipids[blank_end] in the membrane as it is [blank_start]less[blank_end] polar than water, making the membrane lose its [blank_start]structure[blank_end]
Answer
  • lipids
  • less
  • structure
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