TMA3/BIO305

TMA Quiz Questions TMA: TMA3/BIO305 Matric Number:  SCORE=9.50 BIO305 - Molecular Biology Dr. Chukwu Maureen (mchukwu@noun.edu.ng ) 1 The followings are types of RNA except? t RNA r RNA n RNA Mrna 2 Who discovered that chromosomes are the carriers of genes? Morgan De Veries Benzer Johannson 3 Which of the following represents the information required for the building of a phenotypic structure? Genes RNA mol;ecules Chromosomes DNA molecules 4 Which of the following is the brideg between genetic information and protein synthesis? RNA DNA Genes Chromosomes 5 In humans, chromosomes are numbered according to their ____ Shape Length Weight Size 6 Who amongst the following determines the sex of a baby in man? Father only Mother only Both parents None of the above 7 Who coined the term gene? Mendel Johannson Benzer De Veries 8 Why is E. coli particalarly useful for investigations of fundamental aspects of molecular biology? I. their genetic simplicity, II. ease of study, III. microscopic nature. I and II II and III I and III all of the above 9 The copying of codon sequences from DNA to RNA is called__. Translation Translocation Transportation Transcription 10 Where is the protein synthesizing machinery of the cell located? Nucleus Gene. Cytoplasm Lysosomes 11 Which of the following represents the information required for the building of a phenotypic structure? Genes RNA mol;ecules Chromosomes DNA molecules 12 Which of the following is the brideg between genetic information and protein synthesis? RNA DNA Genes Chromosomes 13 Which of the following are types of nucleic acid? I DNA IIATP III RNA I only II only I and III All of the above 14 How many subunits does a nucleotode consists? 2 3 4 5 15 __ is a molecular cloning that enables the determination of the nucleotide sequence of genes. gel electrophorosis expression of cloned genes restricted fragmentation length polymorphism analysis polymerae chain reaction 16 Which of the following molecular biology techniques allow individual DNA fragments to be propagated in bacteria and isolated in large amounts? expression of cloned genes restricted fragmentation length polymorphism analysis polymerase chain reaction gel electrophorosis 17 _____ is the sole genetic material that migrates intact from generation to generation through the reproductive units t RNA m RNA r RNA DNA 18 Which of the followingare the instructions for making specific proteins? Chromosomes RNA Genes DNA 19 In which of the following cell structures does RNA occur most? Chromosomes Choloroplast Cytoplasm Mitochodrion 20 DNA occurs in the following cell structures except ____ Nucleolus Chromosomes Mitochodria Chloroplast