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Biology-Related Homework Help Cell Biology Topic started by: pp_4188 on Feb 24, 2011



Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
http://img.photobucket.com/albums/v688/Peter719/geneticspic1.jpg (http://img.photobucket.com/albums/v688/Peter719/geneticspic1.jpg)
http://img.photobucket.com/albums/v688/Peter719/geneticspic2.jpg (http://img.photobucket.com/albums/v688/Peter719/geneticspic2.jpg)
http://img.photobucket.com/albums/v688/Peter719/geneticspic3.jpg (http://img.photobucket.com/albums/v688/Peter719/geneticspic3.jpg)



Thank you!!!!


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: star on Feb 24, 2011
Hey pp_4188,

Post the actual questions on here :) ...


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
a phage capable of integrating into a host bacteria chromosome is named
a) lysogenic
b) lytic
c) temperate
d) transductive
e) a prophage

a phage that has integrated into a host chromosome is called
a) lysogenic
b) lytic
c) temperate
d) transductive
e) a prophage

a bacterium that has a phage integrated into its genome is named
a) lysogenic
b) lytic
c) temperate
d) transductive
e) zygotically induced

the mode of transduction limited to a small region of the host chromosome is referred to as
a)lysogeny
b) specialized
c) generalized
d) sexduction
e)F-duction



A defective bacteriophage, carrying host DNA, is named
a) a transducing particle
b) a transforming agent
c) a capsomere
d) temperate
e) lysogenic

a relative co-transduction frequency of two loci is
a) directly a measure of distance
b)inversely a measure of distance
c) unrelated to map distance of the host loci
d) unrelated to map distance of the phage loci
e) dependent upon the organism used as the recipient


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
In an interrupted mating experiment, gene 'a' first appears at 12 minutes, gene 'b' appears at 7 minutes, and gene 'c' first appears at 5 minutes. What is the order of transfer?
a) a b c
b) c b a
c) c a b
d)b a c
e) b c a

In an interrupted mating experiment, gene 'a' first appears at 12 minutes, gene 'b' first appears at 7 minutes, and gene 'c' first appears at 5 minutes. At what time would a cell first express the products of genes 'a' and 'b'?
a) 5 minutes
b) 7 minutes
c) 10 minutes
d) 12 minutes
e) 17 minutes

In a transformation experiment, DNA from a leu+trp+val- is used to transform a leu-trp-val+ strain, and the cells are plated on minimal medium. what is the genotype of the cells that will grow on minimal medium?
a)leu+trp+val-
b)leu-trp-val+
c)leu+trp+val+
d)leu-trp+val-
e)leu+trp-val-

A wild-type strain of E.Coli is transformed by DNA from a trp-tyr- strain(requiring the amino acids tryptophan and tyrosine). After selection with penicillin, the following auxotrophic transformants are scored: trp-, 9; tyr-, 11: trp-tyr-, 80. What is the cotransformation frequency?
a).09
b).11
c).20
d).25
e).80

Complementation between mutant genes located on different chromosomes is said to occur...
a)in cis
b)in situ
c)in trans
d)in vivo


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: star on Feb 24, 2011
a phage capable of integrating into a host bacteria chromosome is named
a) lysogenic
b) lytic
c) temperate
d) transductive
e) a prophage

Lysogeny is characterized by integration of the bacteriophage nucleic acid into the host bacterium's genome.

a phage that has integrated into a host chromosome is called
a) lysogenic
b) lytic
c) temperate
d) transductive
e) a prophage

A prophage is a phage genome inserted as part of the linear structure of the DNA chromosome of a bacterium

a bacterium that has a phage integrated into its genome is named
a) lysogenic
b) lytic
c) temperate
d) transductive
e) zygotically induced

the mode of transduction limited to a small region of the host chromosome is referred to as
a)lysogeny
b) specialized
c) generalized
d) sexduction
e)F-duction

http://highered.mcgraw-hill.com/sites/0072556781/student_view0/chapter17/animation_quiz_3.html (http://highered.mcgraw-hill.com/sites/0072556781/student_view0/chapter17/animation_quiz_3.html)

A defective bacteriophage, carrying host DNA, is named
a) a transducing particle
b) a transforming agent
c) a capsomere
d) temperate
e) lysogenic

a relative co-transduction frequency of two loci is
a) directly a measure of distance
b)inversely a measure of distance
c) unrelated to map distance of the host loci
d) unrelated to map distance of the phage loci
e) dependent upon the organism used as the recipient

^^ I think


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: biolove on Feb 24, 2011
What textbook is this from? I could prolly find them for you :)


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
Essentials of Genetics 7th edition  by William S. Klug, Cummings, etc.


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: biolove on Feb 24, 2011
(http://www.mypearsonstore.com/ShowCover.asp?isbn=0321618696&type=a)

This one right?

or is it this?

(http://vig-fp.prenhall.com/bigcovers/0321669991.jpg)


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
yes the first picture!

thanks!


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: biolove on Feb 24, 2011
yes the first picture!

thanks!
chapter?


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
chapter 8


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: biolove on Feb 24, 2011
Here chp. 8


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pp_4188 on Feb 24, 2011
thanks but how is this suppose to help with my questions i posted, these are different but same material almost


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: biolove on Feb 24, 2011
thanks but how is this suppose to help with my questions i posted, these are different but same material almost
i know, but thats what is supplimental to the textbook. im not too sure how to answer them :s not that bio savvy


Title: The mode of transduction limited to a small region of the host chromosome is referred to as
Post by: pregrar on Feb 24, 2011
Its ok I still greatly appreciate it! thanks