8125318
Descripción
Test por Saira Turner, actualizado hace más de 1 año
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Creado por Saira Turner
hace más de 7 años
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Pregunta 1
Pregunta
Enzymes: What are the 'building blocks' of proteins?
Respuesta
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Amino acids
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Lipids
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Enzymes
Pregunta 2
Pregunta
Enzymes: Where is lipase produced? (Pick two)
Respuesta
-
Stomach
-
Pancreas
-
Small intestine
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Salivary glands
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Liver
-
Lungs
Pregunta 3
Pregunta
Enzymes: Where is amylase produced? (Pick three)
Respuesta
-
Salivary glands
-
Stomach
-
Liver
-
Lungs
-
Pancreas
-
Small intestine
Pregunta 4
Pregunta
Enzymes: Where is protease produced? (Pick three)
Respuesta
-
Liver
-
Pancreas
-
Stomach
-
Salivary glands
-
Lungs
-
Small intestine
Pregunta 5
Pregunta
Enzymes: Enzymes increase the activation energy
Respuesta
- True
- False
Pregunta 6
Pregunta
Enzymes: What does this change to the activation energy do?
Respuesta
-
Increases amount of successful collisions
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Makes the reaction faster
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It lowers the speed that particles must move so they use less energy
Pregunta 7
Pregunta
The Digestive System: What is the function of bile? (Pick two)
Respuesta
-
To neutralise stomach acids
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To digest nutrients
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To emulsify fats
-
To absorb mineral ions
Pregunta 8
Pregunta
The Digestive System: Where is bile produced?
Respuesta
-
Small intestine
-
Stomach
-
Liver
Pregunta 9
Pregunta
The Digestive System: Epithelial tissue in the stomach churns food and digestive juices together
Respuesta
- True
- False
Pregunta 10
Pregunta
The Digestive System: What does the large intestine do?
Respuesta
-
Absorbs water from undigested water, producing faeces
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Digests and absorbs soluble foods
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Produces bile
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Produces digestive juices
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Churns food
Pregunta 11
Pregunta
Respiration: What is the chemical equation for glucose?
Respuesta
-
C6H12O6
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CH6O2
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NH4
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Fe2O3
Pregunta 12
Pregunta
Respiration: Complete the word equation for aerobic respiration
[blank_start]_____[blank_end] + [blank_start]_____[blank_end] -----> [blank_start]_____[blank_end] + [blank_start]_____[blank_end]
Respuesta
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Hydrogen
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Glucose
-
Water
-
Nitrogen
-
Carbon dioxide
-
Oxygen
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Carbon dioxide
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Oxygen
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Hydrogen
-
Water
-
Glucose
-
Ammonia
Pregunta 13
Pregunta
Respiration: Aerobic respiration occurs when there is not enough available oxygen
Respuesta
- True
- False
Pregunta 14
Pregunta
Respiration: Muscles store glucose as [blank_start]_____[blank_end]
Respuesta
-
glycogen
Pregunta 15
Pregunta
Respiration: During exercise, muscle cells respire more than they do at rest.
Respuesta
- True
- False
Pregunta 16
Pregunta
Respiration: Complete the word equation for anaerobic respiration
[blank_start]_____[blank_end] -----> [blank_start]_____[blank_end] (+ little energy)
Respuesta
-
Water
-
Glucose
-
Acid
-
Nitrogen
-
Ammonia
-
Lactic acid
Pregunta 17
Pregunta
Respiration: Anaerobic respiration is the [blank_start]_____[blank_end] breakdown of glucose
Respuesta
-
Complete
-
Incomplete
Pregunta 18
Pregunta
Plant organs: What does the xylem do?
Respuesta
-
Transports minerals from the roots to the rest of the plant
-
Transports sugars from the leaves to the stem
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Transports water from the roots to the leaves
Pregunta 19
Pregunta
Plant organs: The phloem transports [blank_start]_____[blank_end]
Respuesta
-
Sugars
-
Water
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Minerals
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Nutrients
Pregunta 20
Pregunta
Plant organs: What is the function of the vacuole in a plant cell?
Respuesta
-
The place where most reactions take place
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To keep the cell rigid by being full of sap
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The place where photosynthesis takes place
Pregunta 21
Pregunta
Plant organs: In a leaf, why is the upper epidermis thin and transparent?
Respuesta
-
To allow more light to reach the palisade cells
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For easy gas exchange
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For easier water absorbtion
Pregunta 22
Pregunta
Plant organs: What is the name of the tiny openings in leaves through which carbon dioxide is taken in and oxygen released.
Respuesta
-
Stomata
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Chloroplasts
-
Mesophyll
Pregunta 23
Pregunta
Diffusion: What is diffusion?
Respuesta
-
The net movement of particles up a concentration gradient
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The net movement of particles down a concentration gradient
Pregunta 24
Pregunta
Diffusion: What factors affect the rate of diffusion? (Pick two)
Respuesta
-
Steepness of gradient
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Temperature
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Amount of energy
Pregunta 25
Pregunta
Cells: What components make up a bacterial cell?
Respuesta
-
Nucleus, Cytoplasm, Cell membrane, Flagella, Cell wall, Slime capsule
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Genetic material, Cytoplasm, Cell Membrane, Flagella, Cell wall, Slime capsule, Plasmids
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Plasmids, Cytoplasm, Cell membrane, Nucleus, Flagella, Ribosomes, Mitochondria, Slime capsule
Pregunta 26
Pregunta
Cells: What components make up a animal cell?
Respuesta
-
Nucleus
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Cytoplasm
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Cell membrane
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Cell wall
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Chloroplasts
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Ribosomes
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Permenant Vacuole
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Flagella
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Plasmids
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Mitochondria
Pregunta 27
Pregunta
Cells: What is the nucleus' role in a cell?
Respuesta
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Where most reactions happen
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Controls cell activity
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Contains genetic information
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Allows substances in and out of the cell
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Produces proteins
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Produces energy
Pregunta 28
Pregunta
Cells: How many chromosomes does the nucleus contain?
Respuesta
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46
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23
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12
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50
Pregunta 29
Pregunta
Cells: What are stem cells?
Respuesta
-
Cells found in the reproductive organs of men and women
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Unspecialised cells that can become any type of cell
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A component of blood
Pregunta 30
Pregunta
Cells: Where can stem cells be found in animals?
Respuesta
-
Brain
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Heart
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Bone marrow
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Foetus'
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Embryos
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