450526
Questão 1
Questão
Which of these is not found in a plant cell?
Responda
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Large Vacuole
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Plasmids
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Chloroplasts
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Mitochondria
Questão 2
Questão
Choose the correct definition of Chloroplasts.
Responda
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Gas pockets filled with chlorine gas found in plant cells.
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They contain cell sap, a weak solution of sugar and salts.
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A gel-like substance where most chemical reactions happen.
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Where photosynthesis occurs. They contain a green substance called chlorophyll.
Questão 3
Questão
In DNA there are four different bases, they are Adenine, Thymine, Guanine and Cytosine.
Responda
- True
- False
Questão 4
Questão
There were four people that are know for discovering the structure of the DNA molecule, but what are their names? Choose from the names below.
Responda
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Rosalind Franklin
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John Watson
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Maurice Wilkins
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Rosa Crick
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James Watson
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Francis Crick
Questão 5
Responda
- True
- False
Questão 6
Questão
One of the following shows the stages of mitosis, in order. Which one is it?
Responda
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Interphase- Prophase- Metaphase- Anaphase- Telophase- Cytokinesis
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Prophase- Interphase- Anaphase- Metaphase- Telophase- Cytokinesis
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Telophase- Metaphase- Prophase- Interphase- Cytokinesis- Anaphase
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Cytokinesis- Prophase- Interphase- Telophase- Metaphase- Anaphase
Questão 7
Questão
There are many different uses for cloning, choose the answer below that is NOT a use for cloning.
Responda
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Preserving endangered species.
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Getting better crops.
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Creating suitable organs for transplants.
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Learning more about the development of embryos.
Questão 8
Questão
Which is the correct equation for aerobic respiration?
Responda
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Oxygen + Water --> Carbon Dioxide + Glucose + Energy
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Glucose --> Lactic Acid + Energy
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Oxygen + Glucose --> Water + Carbon Dioxide + Energy
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Oxygen --> Carbon Dioxide + Energy
Questão 9
Questão
What is diffusion?
Responda
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Diffusion is the transfer of particles across across a membrane.
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Diffusion is the movement of particles from an area of low concentration to an area of high concentration.
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Diffusion is the movement of particles from an area of high concentration to an area of low concentration.
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Diffusion is particles moving across a semi-permeable, from one liquid to another.
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