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Margarita [4]
2 years ago
9

Which is best illustrated by Watson and Crick's ball-and-stick model of DNA?

Biology
2 answers:
Leokris [45]2 years ago
6 0

Answer:

D: the importance of carrying out procedures

finlep [7]2 years ago
4 0

Answer:

B. the role of creativity in scientific discovery

Explanation:

i got it right

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When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _______ vari
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When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the C. experimental. Experimental variables are the things you are studying in the experiment and it is the only variable you can change.
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3 years ago
When transporting donated platelet units, what is the maximum amount of time that agitation of platelets can be stopped for
SIZIF [17.4K]

24 hours is the maximum amount of time that agitation of platelets can be stopped.

<h3>What are platelets?</h3>

Platelets are pieces of very large cells in the bone marrow called megakaryocytes. They aid in the formation of blood clots that help wounds heal and to slow or stop bleeding. It can be problematic to have platelets that are too many, too few, or aren't functioning properly.

Platelets' main job is to stop and prevent bleeding. The body sends signals to platelets that direct them to the affected location when a blood artery is damaged. Adults typically have between 150,000 and 450,000 platelets per microliter of blood, which is considered normal. Less than 150,000 platelets per microliter indicate a low platelet count. People with thrombocytopenia have low platelet levels. We can bleed heavily and bruise easily if our platelet counts are low.

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5 0
2 years ago
An aquifer is a rock layer that stores and allows the flow of groundwater. Compared to other types of rock layers, how permeable
AVprozaik [17]

Highly porous and permeable

Explanation:

Compared to other types of rock layers, an aquifer is highly porous and permeable.

Aquifers are always the target when prospecting for ground water in a formation.

  • Porosity is the amount of void spaces in a rock.
  • Aquifers are highly porous .
  • Permeability is the inter-connectivity of the void spaces and their ability to transmit fluids.
  • Aquifers have very high permeability compared to other rock types.

In terms of permeability and porosity, an aquifer is higher porous and permeable.

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