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Exam-Genetics - N5315 Questions with Verified Solutions

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Exam-Genetics - N5315 Questions with Verified Solutions

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Exam-Genetics - N5315 Questions with Verified
Solutions

DNA molecule Correct-double helix structure


provides a code for all the body's proteins




DNA - 4 nitrogenous bases Correct-adenine


cytosine


guanine


thymine




mutation Correct-any inherited alteration of genetic material




Base Pair substitution mutation Correct-one base pair is replaced by another




frame shift mutation Correct-insertion or deletion of one or more base pairs (not a

multiple of 3) to the DNA molecule


can greatly alter the resulting amino acid sequence

, Exam-Genetics - N5315 Questions with Verified
Solutions

RNA Correct-ribonucleic acid


uracil replaces thymine in the 4 bases


single strand




Transcription Correct-process by which RNA is synthesized from DNA


forms mRNA




Translation Correct-process by which RNA directs the synthesis of a polypeptide


the interaction of mRNA and tRNA, aided by ribosomes, translate an amino acid to make a

growing polypeptide




chromosome Correct-thread-like structure contained in the nucleus of a cell; made of

protein and one DNA molecule




somatic cell Correct-all non-gametes (sex cells)


46 chromosomes in nucleus consisting of 23 pairs


mitosis for replication

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