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Ch. 7 - Microbial Genetics
Bauman - Microbiology with Diseases by Taxonomy 6th Edition
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoBauman 6th EditionCh. 7 - Microbial GeneticsProblema 12
Capitolo 7, Problema 12

__________ RNA and __________ RNA are antisense; that is, they are complementary to another nucleic acid molecule.

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1
Understand the terms: Antisense RNA and sense RNA refer to strands of nucleic acids where antisense RNA is complementary to the sense RNA strand or another nucleic acid molecule.
Recall that in molecular biology, messenger RNA (mRNA) carries the genetic code from DNA to the ribosome for protein synthesis, and it is considered the 'sense' strand because it has the same sequence as the DNA coding strand (except for uracil replacing thymine).
Recognize that the antisense RNA is complementary to the mRNA and can bind to it, regulating its function or stability.
Identify that the two types of RNA that are antisense to each other are 'messenger RNA (mRNA)' and 'antisense RNA'.
Therefore, the blanks in the sentence should be filled with 'messenger' for the first blank and 'antisense' for the second blank, indicating that messenger RNA and antisense RNA are complementary to each other.

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Antisense RNA

Antisense RNA is a strand of RNA that is complementary to a specific messenger RNA (mRNA) sequence. It binds to the mRNA, preventing translation into protein by blocking ribosome access or promoting degradation.
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04:19
1) RNA Processing

Messenger RNA (mRNA)

mRNA carries the genetic code from DNA to the ribosome, where it directs protein synthesis. It is a sense strand, meaning its sequence corresponds to the codons that specify amino acids.
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08:44
2) RNA Splicing Creates Mature mRNA

Complementarity in Nucleic Acids

Complementarity refers to the specific base pairing between nucleic acid strands, such as adenine pairing with uracil in RNA and cytosine pairing with guanine. This property allows antisense RNA to bind precisely to its target mRNA.
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03:22
Nucleic Acids
Pratica correlata
Domanda del libro di testo

Which of the following statements is true?


a. Conjugation requires a sex pilus extending from the surface of a cell.

b. Conjugation involves a C factor.

c. Conjugation is an artificial genetic engineering technique.

d. Conjugation involves DNA that has been released into the environment.

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Which of the following are called “jumping genes”?


a. Hfr cells

b. Transducing phages

c. Palindromic sequences

d. Transposons

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Compare and contrast the processes of transformation, transduction, and conjugation.

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Fill in the following table:


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Domanda del libro di testo

Although two cells are totally unrelated, one cell receives DNA from the other cell and incorporates this new DNA into its chromosome. This process is ___________.


a. crossing over of DNA from the two cells

b. vertical gene transfer

c. horizontal gene transfer

d. transposition

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Domanda del libro di testo

Cells that have the ability to take up DNA from their environment are said to be ___________.


a. Hfr cells

b. transposing

c. genomic

d. competent

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