Telomeres are found at the end of chromosomes to protect
genes from reduction during replication
of chromosomes, especially during meiosis
or mitosis. They are composed of repetitive sequences
that do not code for protein. Telomeres become
reducted <span>especially due</span> to the inability of the lagging strand to be completely replicated to the end of the chromosome. However, while
the telomeres become shorted with every
replication, the telomeres are usually slightly elongated by telomerase reverse
transcriptase.
Because your looking at multiple letters at once. And wen you try to focus to find one specific word it pops out. And while your looking at all the letters at once, it's like your looking at a maze from above.
Answer:
1) Structural proteins provide support in our bodies, for example, the proteins in our connective tissues, such as collagen and elastin.
2) Hormone proteins co-ordinate bodily functions, for example, insulin controls our blood sugar concentration by regulating the uptake of glucose into cells.
hope its what ur looking for XD
Answer:
Explanation:
2-They live in burrows that they dig into the soil. This helps
aerate the soil and improve plant growth.
Crab feeding and burrowing mixes nutrients into the soil,
which is also good for plants. (important)
Fiddler crabs also promote marsh
plant growth that is important for the protection of coastal
cities from hurricanes.
Answer:
The fork is drawn to emphasize its similarity to the bacterial replication fork depicted in Figure. Although both forks use the same basic components, the mammalian fork differs in at least two important respects.
First, it uses two different DNA polymerases on the lagging strand.
Second, the mammalian DNA primase is a subunit of one of the lagging-strand DNA polymerases, DNA polymerase α, while that of bacteria is associated with a DNA helicase in the primosome. The polymerase α (with its associated primase) begins chains with RNA, extends them with DNA, and then hands the chains over to the second polymerase (δ), which elongates them. It is not known why eucaryotic DNA replication requires two different polymerases on the lagging strand. The major mammalian DNA helicase seems to be based on a ring formed from six different Mcm proteins; this ring may move along the leading strand, rather than along the lagging-strand template shown here.
Reference: Molecular Biology of the Cell. 4th edition. Alberts B, Johnson A, Lewis J, et al. New York: Garland Science; 2002.
