Questão 1
Questão
What is the function of the nucleus?
Questão 2
Questão
The cell [blank_start]membrane[blank_end] controls which substances enter and exit a cell. It also helps to [blank_start]support[blank_end] the cell and [blank_start]maintain[blank_end] its [blank_start]shape[blank_end].
Responda
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membrane
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support
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maintain
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shape
Questão 3
Questão
Mitochondria are the site of anaerobic respiration
Questão 4
Questão
What feature makes mitochondria suitable for respiration reactions?
Responda
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A matrix, giving the mitochondrion a large surface area
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Cristae, giving the mitochondrion a large surface area
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A matrix, giving the mitochondrion a small surface area
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Cristae, giving the mitochondrion a small surface area
Questão 5
Questão
The [blank_start]golgi body[blank_end] modifies proteins and packages them into secretary vesicles.
Questão 6
Questão
Label letters A-P on this animal cell
Questão 7
Questão
What is the role of the smooth endoplasmic reticulum?
Questão 8
Questão
Centrioles are arranged in two hollow cylinders, positioned perpendicular to each other. During cell division they organise the microtubules that form a spindle.
Questão 9
Questão
What is the function of the nucleolus?
Questão 10
Questão
What is a nuclear pore and what is it's purpose?
Responda
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A small hole in the membrane of the nucleus which allows molecules such as mRNA in and out.
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A large hole in the membrane of the nucleus which allows molecules such as mRNA in and out.
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A small hole in the membrane of the nucleus which allows nutrients and oxygen in and out.
Questão 11
Questão
The nuclear envelope separates genetic material from the cytoplasm.
Questão 12
Questão
What are the main functions of a lysosome? (Tick 3)
Responda
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To isolate digestive enzymes
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To digest enzymes
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To carry proteins to the golgi body
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To digest material that has been taken into the cell
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To digest unwanted DNA
Questão 13
Questão
What is the purpose of a vacuole?
Responda
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To maintain osmotic pressure
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To maintain atmospheric pressure
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To maintain cell temperature
Questão 14
Questão
A stack of thylakoids is called a grain.
Questão 15
Questão
Where can thylakoids be found?
Responda
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In a chloroplast
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In a centriole
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In a mitochondrion
Questão 16
Questão
[blank_start]Photosynthesis[blank_end] occurs in the chloroplast. This is because the thylakoids contain a photosynthetic pigment called [blank_start]chlorophyll[blank_end].
Responda
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chlorophyll
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chloroplasts
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chlorine
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cholera
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Photosynthesis
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Respiration
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Reproduction
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Apple juice
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Transcription
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Mitosis
Questão 17
Questão
A cell wall helps provide support and structure to animal and plant cells. It is permeable to water.
Questão 18
Questão
Plasmodesmata allow...
Responda
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exchange of molecules between plant cells, as well as communication between adjacent cells.
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exchange of molecules between animal cells, as well as communication between adjacent cells.
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exchange of opinion between plant cells, as well as communication between adjacent cells.
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exchange of DNA between plant cells.
Questão 19
Questão
What type of cell contains a large number of mitochondria?
Questão 20
Questão
Which of these features do all prokaryotic cells have?
Questão 21
Questão
Label this bacterial cell
Responda
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Plasmid
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Plasmodesmata
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Flagella
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Tail
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Flegalla
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Slime coat
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Cell wall
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inner membrane
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Cell membrane
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stroma
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Cytoplasm
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Cell sap
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Cell gel
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Nucleoid (circular DNA)
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Helical DNA
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Pili
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Hair
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Ribosome
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Mitochondria
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Photosynthetic lamellae
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Vesicles
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nucleus
Questão 22
Questão
A virus is not made of cells. It is known as 'acellular'
Questão 23
Questão
There are no organelles or chromosomes in a virus, however there is a cytoplasm.
Questão 24
Responda
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DNA
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Nucleus
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Flagella
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Head
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Tip
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Tail
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flagella
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Tail fibre
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tail fibril
-
Sheath
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body
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neck