Micro ch. 7

20問 • 2ヶ月前

問題一覧

Which term describes the relationship between a host cell and the bacteriophages which have entered it? A. Pathogenesis B. Lysogeny C. Symbiosis D. Commensalism

The process of creating new pairings of chromosomes in both eukaryotic and prokaryotic cells by natural or artificial means and sometimes referred to as crossing over is: A. Mutagenesis B. Recombination C. Expression D. Counterselection

Thymine dimers which contribute to formation of various skin cancers are created by exposure to which of the following classes of mutagens? A. Ultraviolet light B. Chemical C. Biological D. Ionizing radiation

Which of the following are responsible for the lysis of infected cells as new the mature particles reproduce during the process of transduction? A. Virulent phages B. Amino acids C. Temperate phages D. Frameshift mutagens

Which of the following statements regarding pairings of human DNA bases is correct? A. Thymine always pairs with Adenine B. Adenine always pairs with gaunine C. Adenine always pairs with cytosine D. Thymine alwasy pairs with guanine

How many linear pairs of chromosomes are found in every cell of the human DNA genome? A. 3 B. 23 C. 30,000 D. 3 billion

Laser or electrosurgical plume would be included in which class of mutagens? A. Ionizing radiaion B. Ultraviolet light C. Biological D. Chemical

Which of the following describes the result of a deletion or insertion of one or more nucleotide pairs in a strand of DNA? A. Natural transformation B. Counterselection C. Frameshift mutation D. Direct selection

Who is the Father of Genetics? A. Koch B. Mendel C. Darwin D. None of the above

The unit of measure for base pairs is the kilobase and megabase. True/false

True

Which of the following are responsible for the lysis of infected cells as new mature particles reproduce during the process of transduction? A. Frameshift mutagen B. Amino acid C. Virulent phages D. Temperate phages

Which of the following refers to the relationship between a host cell and the phages that have entered it? A. Commensalism B. Symbiosis C. Pathogenesis D. Lysogeny

How many types of transduction are there? A. 1 B. 2 C. 3 D. 4

Which of the following term pertains to a mutant microbial cell which has different nutritional needs than those of its parent cell? A. Auxotroph B. Dimer C. Replica D. Codon

Recombinant technology which utilizes artificial means of genetic transformation is also commonly known as: A. Lysogenic conversion B. Missense mutation C. Counterselection D. Genetic engineering

transformation may be natural or artificial. True/False

True

In what year was transformation discovered? A. 1800 B. 1952 C. 1928 D. 1995

The result of a deletion or insertion of one or more nucleotide pairs in a strand of DNA is known as natural transformation. True/False

False

Thymine dimers which contribute to various thyroid cancers by exposure to the UV light class of mutagens. True/False

False

Laser or electrosurgical plume are ionizing radiation mutagens. True/False

False

ST BOOK Ch. 12 Surgical Case Management

Valmau5 · 60問 · 3ヶ月前

ST BOOK Ch. 12 Surgical Case Management