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KIM [24]
3 years ago
6

What skill is a scientist using when she listens to the sounds that an elephant makes?

Biology
1 answer:
Oliga [24]3 years ago
7 0
They make a maaaaaa sound
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The element Ag has how many protons?
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The element has about 47 protons
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¿Cómo demostraron los experimentos de Griffith que un factor hereditario estaba involucrado en la transformación bacteriana?
Firlakuza [10]

idk wt u talkin about

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3 years ago
Free nucleotides must be available in a cells nucleus to produce mrna strands. where do these free nucleotides come from
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8 0
3 years ago
When a bacteriophage virus infects a host cell, sometimes it causes virus nucleic acid to fuse with the DNA of the host cell and
mina [271]

Answer:

lysogenic

Explanation:

Phages can generate the lytic cycle or the lysogenic cycle, although very few are able to carry out both. If lysis is carried out, lysogeny cannot be carried out and vice versa. In the lytic cycle, phage host cells are lysed (destroyed) after replication and encapsulation of viral particles, so that new viruses are free to carry out a new infection.

On the contrary, in the lysogenic cycle there is no immediate lysis of the cell. The phage genome can be integrated into the chromosomal DNA of the host bacterium, replicating at the same time as the bacterium does, or it can remain stable in the form of a plasmid, independently replicating bacterial replication. In any case, the phage genome will be transmitted to the entire progeny of the originally infected bacteria. The phage is thus in a state of latency until the conditions of the environment are deteriorated: decrease of nutrients, increase of mutagenic agents, etc. At this time, endogenous phage or phage are activated and give rise to the lytic cycle that ends with cell lysis.

5 0
2 years ago
The net annual primary productivity of a particular wetland ecosystem is found to be 8,000 kcal/m2 per year. If respiration by t
Yakvenalex [24]

Answer:

D.20,000

Explanation:

The Gross Annual Primary Productivity for the wetland ecosystem is the amount of carbon taken up by the aquatic producers through photosynthesis.  

Given that: Net Annual Primary Producer is 8,000 kcal/m2 per year, and respiration by the aquatic producers is 12,000 kcal/m2 per year, using the formula NPP = GPP – Respiration, we can determine the Gross Annual Primary Productivity of the wetland ecosystem.

NNP = 8,000 kcal/m2

Respiration = 12,000 kcal/m2

GPP = x

8,000 = x – 12,000 (NPP = GPP – Respiration)

Solve for x:

x = 8,000 + 12,000

x = 20,000 kcal/m2 per year

GPP = 20,000 kcal/m2 per year

3 0
3 years ago
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