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Photosynthetic cyanobacteria caused an increase in atmospheric levels of a) ozone b) water c) oxygen d) carbon dioxide.
Answers: 1
Biology, 21.06.2019 18:10, kellynadine02
Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.
Answers: 1
Biology, 22.06.2019 00:50, kseniyayakimno
When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal
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Biology, 22.06.2019 01:30, vanderrage
All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.
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Biology, 22.06.2019 08:30, wrightstephanie193
Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
Answers: 1
Photosynthetic cyanobacteria caused an increase in atmospheric levels of a) ozone b) water c) oxyg...
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