Which of the following is incorrect? a. Amino acids may have one or more triplet codes or codons b. Translation refers to the synthesis of RNA DNA replication is possible due to the complementarity of the two strands of DNA d. A mutated gene can cause disease O c.
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- In a DNA molecule, a sugar, phosphate, and nitrogenous base are collectivley referred to as A. DNA B. RNA C. a nucleotide D. a codonWhich of the following is not a DNA sequence? a. TAG b. AUGAUUCT d. AAAAAAAAAA e. CGGThe commonly prescribed antibiotic Clindamycin blocks the peptide bond formation between amino acids during protein synthesis. This would happen during A) transformation. B) translation. C) transcription. D) replication. E) mitosis.
- The information a cell needs to function is found on the DNA molecule in the form of a. multiple combinations of unknown chemicals. b. RNA subgroups. c. a spiral helix. d. four bases and the order in which they appear.Which of the following is a/are false characteristic(s) regarding DNA? A. DNA can be found in both the mitochondria and the cell nucleus of animal cells B. DNA can be partially formed of the nitrogenous base called cytosine C. DNA is required for the process of translation in animal cells D. Both A and C are false E. None of the above (A,B, and C) are falseSpecific amino acids attached to molecules of tRNA, while antocodons align with codons of mRNA describes, in part a.replication b.transcription c.translation d.recombinant DNA formation e.cellular activation
- Define the following terms: a. molecular biology b. genetics c. replication d. transcription e. transcriptomeThe function of mRNA is to (a) deliver amino acids to the ribosome (b) act as the template for the sequence of amino acids in the protein (c) unwind the DNA (d) act a primer during DNA replication (e) all of the aboveWhat type of molecule contains the site where amino acids link together to make a polypeptide? a. DNA b. mRNA c. rRNA d. tRNA An inborn error of metabolism is when a _____ causes a deficiency in a particular enzyme. a. genetic change b. protein deficiency c. vitamin deficiency d. viral disease
- The ribosome is needed for translation of mRNA (a) because it has the enzyme for adding amino acids to the 5’ end of a tRNA (b) because the ribosomal RNA contains the codon which determines the sequence of amino acids in a protein (c) because it positions tRNA and mRNA so that correct pairing of codon and anti-codon can occur (d) because it has an enzyme that removes introns from mRNA (e) all of the aboveWhich of the following best describes mRNA?Group of answer choices a) Complexes with ribosomal proteins to form ribosomes b) Transports amino acids to ribosomes during translation c) Provides the instructions for the amino acid sequence of a polypeptide d) Used for eukaryotic RNA processingSegments of DNA act as templates that guide the amino acids to join together to form a. proteins. b. sugars. c. phosphates. d. fours kinds of bases. e. all of the above.