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DerKrebs [107]
3 years ago
15

In the 1980s, Stephen Jay Gould identified two types of extinctions that each had different evolutionary consequences. What are

these extinctions called?
Biology
1 answer:
Vinvika [58]3 years ago
4 0

Answer:

Mass extinctions and background extinctions

Explanation:

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Determine whether the following statement is true or false: Because introns are largely genetic junk, they do not need to be rem
uysha [10]

Answer:

False

Explanation:

Introns need to be removed precisely because the reading frame will be shifted if removed even single nucleotide too many or leaving an intronic nucleotide in the spliced mRNA .

Extra amino acids will be inserted if large pieces of introns are left in the mature messenger RNA.

In both cases, aberrant protien will be produced if the RNA splicing is not precise, hence they are needed to be removed by precision.

4 0
3 years ago
You are studying a metabolic enzyme that is found in organisms living at extremely high temperatures and an acidic environment.
gulaghasi [49]

Answer:

Increasing the substrate concentration.

Explanation:

Increasing the substrate concentration can increase the rate of the reaction to a certain point. However, once all of the enzymes bounded to the substrate, any further addition of it will not be going to affect or increase the rate of the reaction at all, as all the enzymes will be saturated and working in their maximum rates.

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3 years ago
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Life as we know it depends on the genetic code: a set of codons, each made up of three bases in a DNA sequence and corresponding
-BARSIC- [3]

Answer:

5 bases

Explanation:

If there are 17 amino acids and only 2 bases that can be combined in order to make a codon then:

for 4 bases 4^{2} is 16 and it is not enough combination for all 17 amino acids

for 5 bases 5^{2} is 25 combinations (meaning that more than one codon could code for the same amino acid).

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3 years ago
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Which of these is most likely a characteristic of a parent isotope before it releases radioactive particles?
Rudik [331]
This is a difficult question to answer with the given information...could you add more
7 0
3 years ago
Buddhist monastic communities made two types of rock-cut halls; one was called the __________, used for the monks' living quarte
abruzzese [7]

Answer – Vihara; Chaitya

 

Buddhist monastic communities made two types of rock-cut halls; one was called the Vihara, used for the monks' living quarters, and the other was the Chaitya, which meant "sanctuary."

3 0
3 years ago
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