1703661
Beschreibung
Quiz von Pranali Amlani, aktualisiert more than 1 year ago
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Erstellt von Pranali Amlani
vor fast 10 Jahre
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Frage 1
Frage
What does the nucleus do?
Antworten
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It controls all the activities of the cell and it contains genes on the chromosomes that carry the instructions for making the proteins needed to build new cells or new organisms.
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The place wehere respiration is carried out.
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Respiration occurs in the mitochondria, not the nucleus.
Frage 2
Frage
What do the plant cells contain that the animal cells do not?
Antworten
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Cell walls, chloroplasts and permanent vacuoles.
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Ribosomes, chloroplasta and cells walls.
Frage 3
Frage
What is the definition of diffusion?
Antworten
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Diffusion is the net movement of particles from an area of high concentration to an area of low concentration, down the concentration gradient.
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Diffusion is the net movement of particles from an area of low concentration to an area of high concentration, up the concentration gradient.
Frage 4
Frage
What is the formula for net movement?
Antworten
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paticles moving in-particles moving out
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total particles-particles moving out
Frage 5
Frage
Red blood cells do not have a nucleus so that there is more space for haemoglobin to be stored. True or false?
Antworten
- True
- False
Frage 6
Frage
A solution is made up of 2 parts. A solute and a solvent. A solvent dissolves in a solute.
Antworten
- True
- False
Frage 7
Frage
What is the difference between a concentrated solvent and a dilute solvent?
Antworten
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A concentrated solvent has little solute dissolved in it and a dilute has a lot.
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A concentrated solvent has a lot of solute dissolved in it and a dilute has only a little.
Frage 8
Frage
What is osmosis?
Antworten
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A special kind of diffusion invloving water molecules.
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The name of the topic in which diffusion is a part of.
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