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Effectus [21]
3 years ago
15

Early scientists believed the earth was around 6,000 years old. What do scientists

Biology
2 answers:
Aleks [24]3 years ago
5 0
They now believe that the earth is around 4.6 billion years old
sweet [91]3 years ago
3 0

Answer:

they now also believe that earth is 6000 years old

Explanation:

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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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Use this factor to calculate your protein needs based upon weight in kilograms.
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Your answer is <span>1. 
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Mice21 [21]

Answer:

Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

Explanation:

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