Biology, 01.09.2019 11:30 LoveHalo4758
If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope in a specimen will be left after 10,000 years if you start off with 100 grams of the radioactive isotope?
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Biology, 22.06.2019 09:00
Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands
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Biology, 22.06.2019 21:00
Amoeba proteus is injected with a drug that inhibits the formation of microtubules. what effect does this have on the organismβs movement?
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Biology, 22.06.2019 22:00
Which of the following statements best describes homeostasis
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Biology, 22.06.2019 22:30
"does stress during a woman's first trimester of a pregnancy affect the infant's birth weight? " is a
Answers: 1
If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope...
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