1) Amino acids are held together by ____? bonds. a) hydrogen b) peptide c) ionic d) high energy e) oxygen f) radiation 2) Where does DNA replication take place? a) Cell Membrane b) Nucleus c) Cytoplasm d) Ribosome e) Mitochondria f) Cell 3) What is the complementary pair of adenine in a DNA molecule? a) thymine b) uracil c) guanine d) cytosine e) adenine f) glutathione 4) What do you call the basic physical and functional unit of heredity? a) centromere b) gene c) genome d) kinetochore e) chromosome f) chromatids 5) What is the molecule that serves as the “blueprint” of life? a) deoxyribonucleic acid b) messenger RNA c) ribonucleic acid d) transfer RNA e) ribosomal f) ribosomal RNA 6) Which of the following sequences of DNA bases is complementary to the sequence: ATC-GTG-CCC a) TAG-CAC-GGG b) TAG-TAT-GGG c) AUG-CAC-GGG d) AUG-TAT-GGG e) ATC-GTG-CCC f) CAT-CAC-GGG 7) Which of the following is attached to the transfer RNA (tRNA)? a) DNA b) ribosome c) RNA d) nucleic acid e) amino acids f) protein synthesis 8) Which of the following is not part of protein synthesis? a) translation b) transcription c) mutation d) DNA e) mRNA f) amino acids 9) The codon is located on the _______? a) mRNA b) tRNA c) rRNA d) DNA e) RNA f) codon 10) In the RNA molecule, which nitrogen base is found in place of thymine? a) guanine b) cytosine c) thymine d) uracil e) adenine 11) During the process of transcription, which of the following is produced? a) H2O b) ATP c) mRNA d) DNA e) RNA f) tRNA 12) The actual site of protein synthesis is the ________? a) nucleus b) mitochondrion c) chloroplast d) ribosome e) protein f) chlorophyll 13) 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) UGU e) UCU f) GCG 14) The genetic code is based upon the reading. How many bases at a time? a) 1 b) 2 c) 3 d) 4 e) 5 f) 6 15) How many codons are needed to specify three amino acids? a) 3 b) 6 c) 9 d) 12

Protein Synthesis

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