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earnstyle [38]
3 years ago
8

Describe two structures that allow arthropods to breathe air.

Biology
2 answers:
zhannawk [14.2K]3 years ago
7 0
Cuticles antennae auditory ossicles are parts of arthropods bodies that allow them to breathe air
alexdok [17]3 years ago
5 0
Cuticles antennae auditory ossicles are parts of arthropods bodies that allow them to breathe
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Organize the lengths below from shortest to longest.
Hoochie [10]

Organize the lengths below from shortest to longest.

 

28 dm ,629,000 mm ,1.2 km, 30,277 cm

To answer this, all values should be converted in the same unit just like in km

28 dm = 0.0028 km

629,000 mm = 0.629 km

1.2 km

30,277 cm = 0.30277 km

So the order is 28 dm, 30,277 cm , 629,000 mm and 1.2 km

8 0
3 years ago
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A titratable group is in the active site of an enzyme and must be protonated for the enzyme to function. Assume that the group h
olya-2409 [2.1K]

Answer:

The correct option is 3. "At pH 6.5 the enyzme is 50% active"

Explanation:

For the titratable group to be protonated and cause the enzyme to be in the active state, it needs to have gained a hydrogen cation (H+). In order for that to happen, there must be enough hydrogen cations in the environment of the enzyme, and hence, an acidic pH is required in this case.

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3 years ago
Where in the cell does glucose end up? Why
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In stage one, glucose is broken down in the cytoplasm of the cell in a process called glycolysis. In stage two, the pyruvate molecules are transported into the mitochondria. The mitochondria are the organelles known as the energy "powerhouses" of the cells

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2 years ago
Wirte 2 slogans on 'need to conserve nature? ​
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Tree planting is the safest solution to pollution. Save the earth, save our environment. Don't be cruel, conserve your fuel.

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2 years ago
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"ricin inhibits the functioning of ribosomes. What part of protein synthesis would be affected by ricin? What effect would this
kondor19780726 [428]

Ricin comes under the category of functionally related toxins, in a combination known as RIPs (ribosome inactivating proteins). This disables ribosomes and stops the process of protein synthesis.  

They directly associate with and inactivate the ribosomes or modify the factors taking part in the process of translation, generally the elongation step. These proteins bring about depurination of adenine at position 4324 in the 28 S rRNA.  

This further inhibits the generation of a critical-stem-loop configuration to which the elongation factor is considered to combine at the time of the translocation step of translation. The ultimate outcome of this activity is the complete inhibition of cellular translation.  


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3 years ago
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