The correct answer is: gaps left at the 5' end of the lagging strand
Telomeres are repetitive regions at the very ends of chromosomes found in eukaryotic organisms. The “problem” with telomeres is that the DNA replication cannot be fully finished in each round which result in a slow, gradual shortening of the chromosome.
Gaps at the end of lagging strand are formed because lagging strand is synthesized via Okazaki fragments (small DNA fragments). So, when replication fork during replication reaches the end of the chromosome, a short stretch of DNA does not get covered by an Okazaki fragment and consequently remains uncopied in each round of replication, leaving a single-stranded overhang.
Telomerase is an enzyme that solves this problem by extending the telomeres of chromosomes.
Higher than average sea levels because more co2 in the atmosphere increases in global warming. This causes ice caps to melt leading to and increase in sea levels
Answer:
Endomysium
Explanation:
Endomysium is a thin layer of loose connective tissue which surrounds an individual myocyte or muscle fiber. Collagen is one of the most abundant protein found in this layer. Endomysium also connects the near by muscle fibers to each other. These fibers are then able to exchange various ions necessary for muscle contraction.
Above the level of endomysium, there is perimysium which forms the covering of a bundle of muscle fibers. Even above this level is epimysium which covers the whole muscle.
Answer:
The DNA strands are not free in the nucleus, but forming a compact structure called chromatin along special proteins, known as histones. The chromatin structure has an important role in gene expression, as the level of compaction and the histone modification act as signals for the transcription machinery
In order to be transcribed, different areas in the genome need to unfold from the histone proteins, so the RNA polymerase can access the DNA.
That means, <u>that DNA sequences that transcribe at high rate, are more often unfold from the histones, and more exposed to other proteins to bind them. Particularly, those areas are more sensitive to the attack of endonucleases, such as DNAse I.</u>
As a consequence, an assay of DNAse I digestion can be used to identify highly sensitive or resistant to DNAse cleavage areas in the genome, and therefore serve as an insight to which sequences are more and less transcriptionally active.
Answer:
The correct answer is 3' UCA 5'
Explanation:
The rule of pairing of base-pair says that A and T base pairs with each other with two hydrogen bonds and G and C base pairs with each other with three hydrogen bonds in DNA. In the case of RNA Uracil comes at the place of thymine that means uracil replaces thymine.
Therefore according to this base-pairing rule the corresponding codon of mRNA transcribes from DNA codon 5' AGT 3' will be 3' UCA 5' as U came in place of A nucleotide, C comes in place of G nucleotide, and A comes in place of T nucleotide.
Therefore the correct answer is 3' UCA 5'.
