List of organs in the cardiovascular system

Biology

1 answer:

OlgaM077 [116]2 years ago

6 0

The major organ of the cardiovascular system is the heart and then the lumgs

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A circular molecule of DNA contains 1 million base pairs. If the DNA synthesis at a replication fork occurs at a rate of 100,000

lakkis [162]

Answer:

<h2>5 minutes </h2>

Explanation:

1. In bidirectional replication; there are two replication forks, and each proceeding at a rate of 100,000 (as given in the question) nucleotides per minute.

2. So, by the given rate of replication, we can calculate that, it would require 5 minutes for the circular DNA molecule to be replicated by bidirectional replication because each fork synthesize 500,000 nucleotides in 5 minutes ( 100,000 per minute) ( as given, in 5 minutes × 100,000 nucleotides per minute= 500,000 and by 2 forks= 1,000,000) within the time period.

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sveticcg [70]

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sergejj [24]

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pickupchik [31]

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Or

The biological species concept has its limitations (although it works well for many organisms and has been very influential in the growth ofevolutionary theory). ... In thisexample, Ensatina salamander lineages A and B are separate species.Each has a common ancestor that individuals of other species do not.

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