ocations may occur including polypeptide folding or splicing QUESTION 4 0.1 points (Extra Credit) Which of the following

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ocations may occur including polypeptide folding or splicing QUESTION 4 0.1 points (Extra Credit) Which of the following statements is not true? Base pair substitutions can result in a frameshift mutation which may result in a different likely non-functional polypeptide Abase pair substitution which causes a premature stop codon can be termed a nonsense mutation Mutations are only passed down if the mutation occurs within a germ cell or during the process of gamete formation Mutations are random and permanent changes in genetic material. Mutations can be caused by mutagens such as X rays or by spontaneous errors during DNA replication or recombination. Prions are infectious particles which cause proteins of the same type to misfold, aggregating and forming holes in the vertebrate nervous system.

S QUESTIONS 0.1 points (Extra Credit) Which of the following statements about prokaryotic gene regulation is not true? The repressible to operon is usually on meaning is genes we transcribed producing the proteins needed for yohan synthesis Bacteria control gene expression primarily through anscription controls only via oparons. Both prossible and not operons are examples of positive gene regulation The inducible la operon is usually off meaning ita genes are not unly transcribed in this state the arressor protein bound to the operator blocking RNA polymerase For the lac operon, only in the presence of lactose will alolactose serve as an induce protein which binds to the repressor protein inactivating it and allowing transcription to occur producing the entrymes will allow for lactose deton The tip operon can be turned off by the corepressor tryptophan which binds to the trp repressor proton. The tp repressor protein can then bind to the operator blocking RNA polymerase and thus shuting of transcription

QUESTION Which of the following statements bogen regulation is not true? RNA interference is the whibition of mRNA translation to my blocking access to the NA anscript or using it to agrade ONA methylation can reduce or hat DNA transcription as DNA is gively charged and the main regel charged causing the methylated DNA to supercoil becoming inaccessible to RNA polymerase Fukaryotic gene regulation may involve modifying access to geras, transcriptional control, RNA modification translational control and post-translation protein degradation Alterative RNA splicing in eukaryotes can produce many different polypeptides from a single RNA by interpreting differing mRNA segments as introns or sons and splicing them accordingly Some operons such as the lac operon can be controlled through both positive and negative the regulation

Vond protein modifications may occur including polypeptide folding or splicing Save Amiwe QUESTION 4 0.1 points (Extra Credit) Which of the following statements is not true? Base pair substitutions can result in a frameshift mutation which may result in a different likely non-functional polypeptide A base pair substitution which causes a premature stop codon can be termed a nonsense mutation. Mutations are only passed down if the mutation occurs within a germ cell or during the process of gamete formation Mutations are random and permanent changes in geretic material. Mutations can be caused by mutagens such as X rays or by spontaneous errors during DNA replication or recombination Prions are infectious particles which cause proteins of the same type to misfold, aggregating and forming holes in the vertebrate nervous system. QUESTION 5 0.1 points (Extra Credit Save Answer Which of the following statements about prokaryotic gene regulation is not true?

Prions are infectious particles which cause proteins of the same type to misfold, aggregating and forming holes in the vertebrate nervous system. QUESTIONS 0.1 points (Extra Credit) Which of the following statements about prokaryotic gene regulation is not true? The repressible trp operon is usually on meaning its genes are transcribed producing the proteins needed for tryptophan synthesis Bacteria control gene expression primarily through transcriptional controls only via operons. Both repressible and inducible operons are examples of positive gene regulation The inducible lac operon is usually off meaning its genespre not usually transcribed in this state the fac repressor protein is bound to the operator blocking RNA polymerase. For the lac operon, only in the presence of lactose will allolactose serve as an inducer protein which binds to the repressor protein inactivating it and allowing transcription to occur producing the enzymes will allow for lactose digestion The trp operon can be turned off by the corepressor tryptophan which binds to the trp repressor protein. The trp repressor protein can then bind to the operator blocking RNA polymerase and thus shutting off transcription QUESTION 6 0.1 points (Extra Credit) Soved ation is not true?