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olasank [31]
2 years ago
9

Which are characteristics of late adulthood? Check all that apply.

Biology
1 answer:
alexandr1967 [171]2 years ago
6 0

Answer:

During late adulthood the skin continues to lose elasticity, reaction time slows further,

muscle strength and mobility diminishes ,hearing and vision decline and the immune system weakens.

Hope this helps

Explanation:

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Answer:

transcription of mRNA from DNA

small ribosomal subunit binds to mRNA

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translocation

codon recognition (non-initiating site)  

peptide bond formation

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polypeptide chain is released from the P site

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Explanation:

The above describes the process of translation in the ribosome. After transcription of DNA to mRNA, the mRNA is taken to the ribosome to undergo translation, here the mRNA binds to the small ribosomal subuits and to other initiation factors; binding at the mRNA binding site on the small ribosomal subunit then the Large ribosomal subunits joins in.

Translation begins (codon recognition; initiating site) at the initiation codon AUG on the mRNA with the tRNA bringing its amino acid (methionine in eukaryotes and formyl methionine in prokaryotes) forming complementary base pair between its anticodon and mRNA's AUG start codon. Then translocation occurs with the ribosome moving one codon over on the mRNA thus moving the start codon tRNA from the A site to the P site, then codon recognition occurs (non-initiating site again) which includes incoming tRNA with an anticodon that is complementary to the codon exposed in the A site binds to the mRNA.

Then peptide bond formation occurs between the amino acid carried by the tRNA in the p site and the A site. When the ribosome reads a stop codon, the process stops and the polypeptide chain produced is released and the ribosomal subunits dissociates.

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if a pure breeding brown coloured rat BB is crossed with a pure breeding white rat bb, using the diagram only show the genotype
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