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Nezavi [6.7K]
3 years ago
10

P.Science Co-PC

Biology
1 answer:
bulgar [2K]3 years ago
3 0
Digestive and excretory
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leonid [27]

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Select the correct answer. Which form of birth control could people use without altering hormonal systems or blocking sperm from
frez [133]

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Fertility awareness

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Fertility awareness involves the woman being observant about different pointers during her menstrual cycle. This method is not the safest.

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Explain how volcanic activity, run-off and dissolved gases affect the chemical composition of seawater
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Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases, so it would affect the water negatively.

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If cysteine is specified by the codons UGC and UGU, what are the anticodons present on tRNAs that carry cysteine?
MrRissso [65]

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AGC and ACA

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Codons and anticodons are present in the form of triplets.Codons are present on the coding strand of DNA and on mRNA and their anticodon is present on transfer RNA.When codon present on mRNA binds to its anticodon on tRNA then appropriate amino acid is carried by tRNA on ribosomes for protein synthesis. For example, AGC and ACA anticodons are present on tRNA that binds to UGC and UGU on mRNA for amino acid cysteine.

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