Biology, 19.10.2020 23:01 scastillo8
Stion 6 (1 point)
Fireflies emit light. The production of light by an organism is called bioluminescence. To
generate visible light, cells in a firefly's tail produce thousands of luciferase enzymes.
Luciferase binds to a chemical called luciferin. Once bound, the luciferase enzyme speeds up
a chemical reaction that combines an oxygen molecule and luciferin to produce oxyluciferin.
This reaction requires energy and releases light. Which of the following best describes how
the luciferase enzyme speeds up the chemical reaction?
F Luciferase increases the amount of time the light is visible.
G Luciferase decreases the amount of energy required for the reaction to start.
H Luciferase increases the number of sites on luciferin that must bind to oxygen.
J Luciferase decreases the temperature of the environment inside the body of the firefly.
Answers: 2
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When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?
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Biology, 22.06.2019 16:30
In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?
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Biology, 22.06.2019 20:30
If the charge that enters each meter of the axon gets distributed uniformly along it. true or false
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Stion 6 (1 point)
Fireflies emit light. The production of light by an organism is called biolumines...
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