6685520
Descripción
Test por Joy Pidsley, actualizado hace más de 1 año
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Creado por Joy Pidsley
hace alrededor de 8 años
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Pregunta 1
Pregunta
What is the function of the nucleus?
Respuesta
-
To hold DNA codes for amino acid sequences
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Where rRNA transcription occurs
-
Aerobic respiration
Pregunta 2
Pregunta
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].
Respuesta
-
membrane
-
support
-
maintain
-
shape
Pregunta 3
Pregunta
Mitochondria are the site of anaerobic respiration
Respuesta
- True
- False
Pregunta 4
Pregunta
What feature makes mitochondria suitable for respiration reactions?
Respuesta
-
A matrix, giving the mitochondrion a large surface area
-
Cristae, giving the mitochondrion a large surface area
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A matrix, giving the mitochondrion a small surface area
-
Cristae, giving the mitochondrion a small surface area
Pregunta 5
Pregunta
The [blank_start]golgi body[blank_end] modifies proteins and packages them into secretary vesicles.
Respuesta
-
golgi body
-
vesicle
-
cristae
-
rough endoplasmic reticulum
Pregunta 6
Pregunta
Label letters A-P on this animal cell
Respuesta
-
rough endoplasmic reticulum
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ribosome
-
DNA
-
nucleolus
-
nuclear envelope
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centriole
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golgi body
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Mitochondria
-
smooth endoplasmic reticulum
-
nuclear pore
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Nucleus
-
cell membrane
-
lysosome
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vesicle
-
secretary vesicle
-
cytoplasm
Pregunta 7
Pregunta
What is the role of the smooth endoplasmic reticulum?
Respuesta
-
Break down of lipids
-
Protein synthesis
-
Synthesis and transport of lipids
-
photosynthesis
Pregunta 8
Pregunta
Centrioles are arranged in two hollow cylinders, positioned perpendicular to each other. During cell division they organise the microtubules that form a spindle.
Respuesta
- True
- False
Pregunta 9
Pregunta
What is the function of the nucleolus?
Respuesta
-
Site of mRNA synthesis and transport
-
Synthesis tRNA
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Where DNA is held
-
Synthesis of rRNA
Pregunta 10
Pregunta
What is a nuclear pore and what is it's purpose?
Respuesta
-
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.
-
A small hole in the membrane of the nucleus which allows nutrients and oxygen in and out.
Pregunta 11
Pregunta
The nuclear envelope separates genetic material from the cytoplasm.
Respuesta
- True
- False
Pregunta 12
Pregunta
What are the main functions of a lysosome? (Tick 3)
Respuesta
-
To isolate digestive enzymes
-
To digest enzymes
-
To carry proteins to the golgi body
-
To digest material that has been taken into the cell
-
To digest unwanted DNA
Pregunta 13
Pregunta
What is the purpose of a vacuole?
Respuesta
-
To maintain osmotic pressure
-
To maintain atmospheric pressure
-
To maintain cell temperature
Pregunta 14
Pregunta
A stack of thylakoids is called a grain.
Respuesta
- True
- False
Pregunta 15
Pregunta
Where can thylakoids be found?
Respuesta
-
In a chloroplast
-
In a centriole
-
In a mitochondrion
Pregunta 16
Pregunta
[blank_start]Photosynthesis[blank_end] occurs in the chloroplast. This is because the thylakoids contain a photosynthetic pigment called [blank_start]chlorophyll[blank_end].
Respuesta
-
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
-
Mitosis
Pregunta 17
Pregunta
A cell wall helps provide support and structure to animal and plant cells. It is permeable to water.
Respuesta
- True
- False
Pregunta 18
Pregunta
Plasmodesmata allow...
Respuesta
-
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.
-
exchange of opinion between plant cells, as well as communication between adjacent cells.
-
exchange of DNA between plant cells.
Pregunta 19
Pregunta
What type of cell contains a large number of mitochondria?
Respuesta
-
Liver
-
Skin
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Blood
Pregunta 20
Pregunta
Which of these features do all prokaryotic cells have?
Respuesta
-
Nucleoid (circular DNA) free in cytoplasm
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Peptidoglycan cell wall
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80S ribosomes
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70S ribosomes
-
Cytoplasm
-
Cell membrane
-
plasmids
-
slime coat
Pregunta 21
Respuesta
-
Plasmid
-
Plasmodesmata
-
Flagella
-
Tail
-
Flegalla
-
Slime coat
-
Cell wall
-
inner membrane
-
Cell membrane
-
stroma
-
Cytoplasm
-
Cell sap
-
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
-
Ribosome
-
Mitochondria
-
Photosynthetic lamellae
-
Vesicles
-
nucleus
Pregunta 22
Pregunta
A virus is not made of cells. It is known as 'acellular'
Respuesta
- True
- False
Pregunta 23
Pregunta
There are no organelles or chromosomes in a virus, however there is a cytoplasm.
Respuesta
- True
- False
Pregunta 24
Respuesta
-
DNA
-
Nucleus
-
Flagella
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Head
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Tip
-
Tail
-
flagella
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Tail fibre
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tail fibril
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Sheath
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body
-
neck
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