What type of chemical reaction is this?
4 Al + 3 O2 --> 2 Al2O3
O decomposition
O si...
Biology, 19.03.2021 20:50 landenDfisher
What type of chemical reaction is this?
4 Al + 3 O2 --> 2 Al2O3
O decomposition
O single replacement
O synthesis
O double replacement
O combustion
Answers: 1
Biology, 21.06.2019 22:00
Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.
Answers: 3
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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.
Answers: 1
Biology, 22.06.2019 09:30
Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Answers: 1
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