5103915
Descripción
Test por leggy eggy, actualizado hace más de 1 año
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Creado por leggy eggy
hace más de 8 años
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Pregunta 1
Pregunta
What are lipids built from?
Respuesta
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Long chains of amino acids
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Glycerol and fatty acids
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Maltose
Pregunta 2
Pregunta
What is urine made of?
Respuesta
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Water, urea, salts
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Water, urea, glucose
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Water, urea, glucose, salts
Pregunta 3
Pregunta
What is the only part of the carbon cycle that removes carbon dioxide from the atmosphere?
Respuesta
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Decomposition
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Respiration
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Photosynthesis
Pregunta 4
Pregunta
About how much energy is transferred from one trophic level to the next?
Respuesta
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15%
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10%
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25%
Pregunta 5
Pregunta
The right ventricle pumps deoxygenated blood to the lungs through the...
Respuesta
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Pulmonary artery
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Vena cava
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Pulmonary vein
Pregunta 6
Pregunta
What colour will a sample turn if iodine solution is added to it and it contains starch?
Respuesta
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Brick red
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Blue-black
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Brown
Pregunta 7
Pregunta
What are the pairs of bases in DNA?
Respuesta
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A & T, and C & G
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A & G, and C & T
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A & C, and T & G
Pregunta 8
Pregunta
What is the function of the conjunctiva in the eye?
Respuesta
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To control the amount of light that enters the eye
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To lubricate and protect the surface of the eye
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To focus on nearby and far away objects
Pregunta 9
Pregunta
What is your genotype?
Respuesta
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The alleles you have
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The number of chromosomes in your cells
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The characteristics you display
Pregunta 10
Pregunta
What is a pathogen?
Respuesta
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The plant growth hormone
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An organism that lives off another organism
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An organism that causes disease
Pregunta 11
Pregunta
Which organisms can be pathogens?
Respuesta
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Bacteria and viruses
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Bacteria, fungi, viruses and protocti
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Bacteria, viruses and plants
Pregunta 12
Pregunta
What are platelets?
Respuesta
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A type of white blood cell
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The liquid substance in blood
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Small fragments of cells in blood
Pregunta 13
Pregunta
What is the function of platelets?
Respuesta
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To destroy pathogens
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To help with blood clotting
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To carry oxygen through the bloodstream
Pregunta 14
Pregunta
What do xylem tubes transport?
Respuesta
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Water and mineral salts
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Sugars and amino acids
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Water and amino acids
Pregunta 15
Pregunta
How does ADH control water content?
Respuesta
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Suppresses the nerves that tell the brain when the bladder is full
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Makes the nephrons more permeable
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Prevents too much water being absorbed in the large intestine
Pregunta 16
Pregunta
Which of these does a red blood cell have?
Respuesta
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Cell membrane
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Nucleus
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Cell wall
Pregunta 17
Pregunta
How much energy does anaerobic respiration produce compared to aerobic respiration?
Respuesta
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More
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Less
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The same amount
Pregunta 18
Pregunta
Chemical fertilizers can cause _____ which can cause fish to die
Respuesta
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Acid rain
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Eutophication
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Sedimentation
Pregunta 19
Pregunta
Where in the nephron is glucose reabsorbed?
Respuesta
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Collecting duct
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Bowman's capsule
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Proximal convoluted tubule
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