What do amino acyl tRNA synthetases do? a) bind specific tRNA to the correct cod

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What do amino acyl tRNA synthetases do? a) bind specific tRNA to the correct codon in mRNA b) catalyze peptide bond formaton in ribosomes c) bind specific amino acids to the appropriate SNRNP d) bind specific amino acids to the appropriate tRNA What is an anticodon? A. the part of an RNA message that signals the start of translation B. the part of a tRNA that accepts an amino acid, via a reaction catalyzed by tRNA synthestase C. the part of an RNA message that signal the termination of translation D. the part of a tRNA that binds to a complementary codon in mRNA A promoter is part of a molecule that consists of A) RNA B) protein C) DNA D) chromatin E) phospholipid Oknzaki Fragments consist of: A) RNA B) protein C) DNA D) chromatin E) phspholipid Mutant E. coli that transcribe the lac Z and lac Y genes all the time - even in the absence of lactose probably lack a functional copy of ____ a) helicase B) beta-galactosidase c) galactoside permease d) repressor What kind of bond is formed within a ribosome a) phosphodiester b) beta-galactosidase c) galactoside permease d) repressor What kind of bond is formed within a ribosome a) phosphodiester b) glycosidle c) peptide d) ionic e) disulfide The part of the ribosome that catalyzes the bond you named in 23 consists of A) RNA b) protein C) DNA D) chromatin E) phospholipid In the synthesis of nucleic acids, ____ are added on to the 3' end of the growing polymer a) nucleotides b) amino acids c) lipids d) disaccharides e) hi stones You cross an individual with the genotype AA with an individual with the genotype Aa and obtain 28 offspring. The genotypes of these offspring will be: A. uniformly AA B. uniformly Aa C. precisely half AA and half Aa D. half AA and half aa, on average Genetic dominance refers to: A. The degree to which different alleles at a given locus are favored by natural selection B. The probability that a given allele will be transmitted to one's offspring C. The tendency for some alleles to be much more common that others D. The relative influence of different alleles on the phenotypes of heterozygotes

Explanation / Answer

ans 17 d

Both archae and eukaryotes have histone proteins. The RNA polymerase and ribosomes of archae resembles to that of eukarya.

Though archae belong to prokaryotes along with bacteria, it is similar to eukaryotes in many ways.

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