18.04 1. Related organisms with genes in common are demonstrating A. cognes. B.
ID: 53860 • Letter: 1
Question
18.04
1.
Related organisms with genes in common are demonstrating
A. cognes.
B. tandem clusters.
C. synteny.
D. symmetry.
E. multigene families.
2.
Because translation of RNA may not coincide with transcription, proteomic scientists study proteins and
A. retrogenomes.
B. ultramicrotomes.
C. hemiproteomes.
D. transcriptomes.
3.
In addition to microscope slides, _____ may be used for microarrays.
A. microvials
B. silicone chips
C. transistors
D. gel sheets
E. microfiches
4.
Match the following
1. A field of study based on the comparison of conserved regions of genomes among different organisms.
2. The conserved arrangements of segments of DNA in related genomes.
3. A hypothesis-driven science aimed at assigning function to gene products.
4. All of the RNA present in a cell or tissue, which is larger than the number of genes in the genome.
5. A chip in which fragments of DNA are deposited at indexed locations and hybridized with labeled mRNA.
6. The study of all of the proteins encoded by the genome.
A. functional genomics
B. comparative genomics
C. transcriptome
D. proteomics
E. synteny
F. DNA microarray
5.
The cellular organelles that conduct energy transfer chemical reactions and contain their own DNA, independently of the cellular DNA, are
A. vacuoles and flagella.
B. peroxisomes and smooth endoplasmic reticulum.
C. mitochondria and chloroplasts.
D. lysosomes and rough endoplasmic reticulum.
18.05
6.
In a microarray, one sample is labeled green and the other red with fluorescent nucleotides. If the results on a spot are yellow, what does that tell you?
A. There is more mRNA in the sample labeled with the red fluorescence.
B. The mRNA of that gene is not expressed in either sample.
C. The mRNA levels of that gene are the same in both samples.
D. There is more mRNA in the sample labeled with the green fluorescence.
7.
In a microarray the samples are fixed to a grid and probes for different genes are added.
True
False
8.
Which of the following methods could detect if two proteins interact with each other?
A. Genomics
B. Microarray
C. Yeast two hybrid
D. Proteomics
9.
Which of the following are explanations for the observation that the proteome of a species is larger than the genome? Select all that apply
Alternative splicing of mRNAs.
Post-translational modifications.
Regulation of transcription.
Gene duplication
Explanation / Answer
1 ans C. 3 ans B, 5 ans C, 9 ans A, 8 ans C, 7 ans false, ans 6 C,2 ans C
Under 4 match thefollowing. 1 E, 5F 6 A 4 C 3 B 2D
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