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Developmental biology – the study of the processes through which an organism forms Quiz

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Developmental biology – the study of the processes through which an organism forms Quiz
Developmental biology – the study of the processes through which an organism forms Quiz Test
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Which of the following wound not be considered part of your genome?

Integrated retrovirus
Mitochondrial DNA
Vaccinia irus DNA in the cytoplasm

Nucleotides provide the "building blocks" form which nucleic acids are constructed. Which of the following comninations are present in DNA:

Thymine, cytosine, guanine, uracil
Uracil, adenine, guanine, cytocine
Cytocine, adenine, guanine, and thymine

Multiple isoforms of dytrophin are made in indiviuals that are homozygous for th wil type dystrophin allele. Which of the following is behind this polymorphism?

Alternative 3' polyadenylation
Rapid turnover of mis-folded protiens
Excisiion at the cre-lox locus
Alternative splicing of the primary transcript

What sort of biochemical evidence had been used to support the hypothesis that new variant CJ disease in humans arosee from exposure to bovine spongiform encephalopathy?

The patterns and extent of damage in different reagions of the brains of affflicted hosts
The length of time involved in diease development when studied in a model host system
The amoutns, sidezes and patterns of PrP27-30 accumulating in the afflicted hosts
A-c have been used

The antibiotic anisomycin, blocks the peptidyltransferase reaction in eukaryotes. Which antibiotic blocks this same step in prokaryotic proein synthesis?

Rifamycin
Erythromycin
Erythromycin

In the isothermal helicase dependent amplification reaction, the helicase enzyme replaes which component or aspect of a PCR reaction?

Replaces the thermostable DNA polymerase
Replaces the reverse transcriptase step
Replaces the thermal denaturation step

Which of the following statements is false?

Microarry analyses are most commonly used to anylyse transcript abundance
norhtern blots are used to analyse RNA samples
Western blots are used to analyse multiplex PCR products

Which is the following is not a hallmark of most cancerous tumors?

Neovascularization
Rapid growth of the cancer cells
Apoptosis occurs more rapidly than cell division

Which of the following statements is true regarding a comparison of PCR analysis and erology in the diagnosis of infectious diseases?

A positive PCR result indicates previous exposure, but does not confirm active infection
A positive serology result indicates previous exposure, but does not confirm active infection
A positive PCR result indicates apoptosis had occured and there is not active infeciton

Complex molecules (macromolecules) are made by joining smaller molecules together using dehydration synthesis

True
False
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