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10 Aug 2019

Would you expect to find most protein-coding genes in uniquesequence DNA, in moderately repetitive DNA, or in highly repetitiveDNA? Why?

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12 Aug 2019

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Related questions

1.A gene-encoding sequence is an example of which type of DNAsequence in eukaryotes?

Select one:

a. Moderately repetitive DNA

b. Short interspersed elements

c. Highly repetitive DNA

d. Unique-sequence DNA

e. Long interspersed elements

Telomeres exist to help with the _________ of the ends ofeukaryotic chromosomes.

Select one:

a. replication

b. metabolism

c. translation

d. transcription

e. destabilization

1Which of the following has repetitive DNA andheterochromatin?

Select one:

a. Mitochondria

b. Telomere

c. Centromere

d. Chloroplast

e. a and b

peartiger31

I've recently read a couple articles dealing with long term datastorage, and DNA was suggested as one of the prime candidates forlong term storage of digital data additionally, there is thisarticle which deals with decoding of long storage data. Thesepopular articles, though simple do mention important concepts- howpackets are stored in DNA use addressing schemes, redundancy ofstorage, writing for a recipient who may be using a differentlanguage, etc.

This made me think - we have the SETI initiative which islooking for signs of (intelligent) life in the universe. Thatorganization was created long time ago, and uses technologies ofthose days - radio waves. The modern science knows that we canstore a lot of data in DNA, and that most organism DNA containsonly a small fraction of protein coding sequences and a largeamount of non-coding material. If I understand correctly, some ofthe non coding material is repetitive and highly preserved. Hasanyone considered expanding the search for intelligent life toinclude examination of DNA for messages that might've been left byother intelligent species actually visiting earth?

Needs help asap

_______________ are transposable elements that move within the genome by being copied and reinserted as DNA sequences, avoiding the need for reverse transcription"

	A.	Retrotransposons
	B	Retrovirus-like elements
	C	DNA transposons
	D	Satellite DNAs
	E	Long interspersed elements (LINEs)
		F.Short interspersed elements (SINEs)

The large differences observed in genomic size among eukaryotes correspond primarily to differences in

A		the amount of protein-coding genes
B		the amount of noncoding DNA
C		the biological complexity of the organisms at hand
	D	the length of the telomeres
		E the size of the centromere

The study of lncRNAs has revealed

A		that protein-coding genes are distributed homogeneously throughout the genome
B		that splicing regulates more genes than initially expected
C		that miRNAs are mostly limited to intronic sequences
D		that only a relatively small fraction of the human genome is ever transcribed
E		the existence of genomic regions coding exclusively for rRNA and tRNA
F		that extensive regions of our genome are in fact actively transcribed even though they do not contain protein-coding genes