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kvasek [131]
3 years ago
11

The Ring of Fire is a string of volcanic sites in the Pacific Ocean that stretches between the Americas, Asia, and Australia. Wh

at is the most likely cause of this volcanic activity?
Biology
1 answer:
olga55 [171]3 years ago
7 0
Tectonic plates causes volcanoes
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Draw a picture of DNA replication. Label the direction each strand is going, the enzymes involved with each step, the leading an
Step2247 [10]

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.

4 0
3 years ago
Atoms have equal numbers of ____________________ and ____________________ .
EastWind [94]
Normally they have equal protons and neutrons
5 0
3 years ago
Read 2 more answers
Select the three correct answers.
loris [4]

Answer:

a, b, c are correct

Explanation:

Enhancers are DNA sequences that increase the rate of transcription. Enhancers act as binding sites for transcription factors that stimulate the transcription of one or more genes and enhancers stimulate transcription for specific cell type or tissue in a specific manner. The possible reasons for the lack of enhancers in bacteria include.

Enhancers often provide a mechanism for cell-specific transcription of genes, and most bacteria lack differentiated cell types.

Bacterial operons make coordinate regulation of protein synthesis by enhancers unnecessary.

There is little to no intergenic space on bacterial chromosomes, which makes long-range-acting enhancer sequences unnecessary.

Therefore, the correct options are (a), (b), and (c).

7 0
3 years ago
What is the term for a group of interbreeding organisms that are able to produce fertile young?
timurjin [86]
Biological species is the term for a group of interbreeding organisms that are able to produce fertile young. 
5 0
3 years ago
In many parts of the United States, homeowners use a significant portion of their energy budget to heat their home in the winter
Wewaii [24]

Answer:

B. $5

Explanation:

$95/10 percent = 9.5

9.5/2 (because it is halfway through the billing period) = 4.75

4.75 rounded up to the nearest tenths place is 5.

3 0
3 years ago
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