Biology, 04.08.2019 14:50, madisonsan9020

What is the definition of genes? a. small rna chains that transfer a specific amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation b. sections of dna a cell copies as rna strands to make specific proteins during transcription and translation c. molecules of rna encoding a chemical blueprint for a protein product

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Biology, 23.06.2019 02:00, xxcecccc

What is the definition of genes? a. small rna chains that transfer a specific amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation b. sections of dna a cell copies as rna strands to make specific proteins during transcription and translation c. molecules of rna encoding a chemical blueprint for a protein product

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Biology, 22.07.2019 15:00, buggamarshall85

For this assignment, you will write an essay describing the production of protein molecules through transcription and translation. your essay should include discussions of the following: dna mrna rna polymerase base pairing transcription translation trna rrna ribosomes amino acids protein protein synthesis is the synthesis of polypeptide chains which then produce the specific proteins based on the genetic code in dna. it occurs in two stages, transcription and translation. transciption occurs in the nucleus. dna contains the cistrons/genes which code for specific polypeptides. the part of the strand that forms the cistron is called the transcribing strand. it acts as a template and is transcribed to mrna. the complementary strand which does not carry the cistron is called the non-transcribing strand. an enzyme rna polymerase attaches itself to the promoter site next to the cistron on the dna and initiates transcription. the enzymes moves along the particular dna section in the 3' to 5' direction. nucleotides from nucleoplasm with bases complementary to the beses on dna are added one at a time to elongate the strand. base pairing occurs. for example, base adenine on dna pairs with uracil nucleotide and base cytosine will pairs with guanine nucleotide. translation is the process in which the codons in mrna are used to assemble amino acids in the correct sequence to produce a polypeptide chain. mrna binds to the binding site on the smaller ribosomal subunit. trna carries amino acid to the ribosome. cells posses more than 20 types of trna, more than enough for the different amino acids. the codon of mrna forms hydrogen bonds with the anticodon of trna. the trna detaches itself from mrna and returns to the cytoplasm to take up more amino acids. once aligned, peptide bonds are formed between adjacent amino acids, eventually forming a polypeptide chain. rrna consists of a single polynucleotide strand synthesised in the nucleus. the rrna form aggregates which proteins to form the large subunit and small subunit. the subunits leave the nucleus via nuclear pore into the cytoplasm. the subunits combine to form a ribosome. is this correct?

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Biology, 26.07.2019 08:00, 2002boo13

Polypeptides are synthesized from amino acid building blocks. the condensation reactionbetween the growing polypeptide chain and the next amino acid to be added involves the loss of (a)a water molecule.(b)an amino group.(c)a carbon atom.(d)a carboxylic acid group.4-4the variations in the physical characteristics between different proteins are influenced by the overall amino acid compositions, but even more important is the unique amino acid )number.(b)sequence.(c)bond.(d)orientation.page 1 of 29

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Biology, 15.10.2019 04:30, lilpeepxliltracy

Which rna molecule carries amino acids from the cytoplasm to the ribosomes in order to create a polypeptide chains (protein)? a rna polymerase b ribosomal rna c transfer rna d messenger rna

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