Protein Synthesis Complete Question and Answers final exam 2024

Protein Synthesis Complete Question and Answers final exam 2024 False - ribose True or false - The sugar found in RNA is called deoxyribose True True or false - The DNA molecule is double stranded and the RNA molecule is single stranded True True or false - the process of translation occurs at the ribosome False - Tran True or false - the job of mRNA is to pick up amino acids and transport them to the ribosomes True True or false - transcription must occur before translation may occur RNA There are three types of ___________. GGG UGC AGA The sense strand of a DNA molecule is CCCACGTCT The mRNA sequence from this DNA molecule is C. amino acid Which of the following is attached to the transfer RNA (Tran)? a. DNA B. ribosome C. amino acid D. nucleic acid A. replication Which of the following is not part of protein synthesis? A. replication B. translation C. transcription A. mRNA The codon is located on the A. mRNA B. Tran C. rRNA D. DNA D. uracil In the RNA molecule, which nitrogen base is found in place of thymine? A. guanine B. cytosine C. thymine D. uracil C. mRNA During the process of transcription, which of the following is produced? A. H2O B. ATP C. mRNA D. DNA D. ribosome The actual site of protein synthesis is the A. nucleus B. mitochondrion C. chloroplast D. ribosome A. UAU If the DNA template reads "ATA", then which of the following would be the corresponding sequence on the mRNA? A. UAU B. ATA C. TUT D. UCU C. three The genetic code is based upon the reading of how many bases at a time? A. one B. two C. three D. four B. peptide Amino acids are held together by _______ bonds. A. hydrogen B. peptide C. ionic D. high energy A. 3 How many codons are needed to specify three amino acids? A. 3 B. 6 C. 9 D. 12 B. genetic codes based on sequences of bases One similarity between DNA and messenger RNA molecules is that they both contain A. the same sugar B. genetic codes based on sequences of bases C. a nitrogenous base known as uracil D. double-stranded polymers a. BEACD Some events that take place during the synthesis of a specific protein are listed below. What is the correct order of these events? a. Messenger RNA attaches to a ribosome. b. DNA serves as a template for RNA production. c. Transfer RNA bonds to a specific codon. d. Amino acids are bonded together e. RNA moves from the nucleus to the cytoplasm. C. G-U-U-C-C-A What is the complementary messenger-RNA sequence for the DNA sequence shown below? C-A-A-G-G-T a. G-T-T-C-C-A b. C-A-A-G-G-U c. G-U-U-C-C-a d. C-A-A-G-G-T d. U-U-A If a portion of a messenger RNA molecule contains the base sequence A-A-U, the corresponding transfer RNA base sequence is a. A-A-U b. G-G-t c. T-T-C d. U-U-A C. the genetic code word of three bases on mRNA that specify one amino acid Which defines a codon? A. a protein that begins transcription by breaking apart H bonds B. a free-floating base that attaches to an open DNA strand C. the genetic code word of three bases on mRNA that specify one amino acid D. the strong bond between two complementary nitrogen bases D. carry amino acids to the mRNA for correct placement into the protein chain What is the role of tRNA during translation? A. bond to open DNA strand to carry the code for protein synthesis out of the nucleus B. carry ribosomes to the site of protein synthesis C. break apart mRNA and send it back to the nucleus so that it can be reused D. carry amino acids to the mRNA for correct placement into the protein chain B. the identify of one amino acid would change Which of the following changes would be expected if a CAUUUG sequence of bases mutated to CACUUG? A. the amino acid sequence would be shorter than expected B. the identify of one amino acid would change C. the identity of more than one amino acid would chan