Biology, 29.10.2020 17:10 jpimentel2021
Which two body systems work together to deliver oxygen to cells?
A. the digestive and respiratory systems
B. the respiratory and circulatory systems
C. the digestive and circulatory systems
D. the circulatory and excretory systems
Answers: 2
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Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science
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Biology, 22.06.2019 11:40
Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
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Biology, 22.06.2019 17:00
As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?
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Biology, 22.06.2019 18:10
1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.
Answers: 2
Which two body systems work together to deliver oxygen to cells?
A. the digestive and respiratory s...
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