Decomposers play a critical role in the flow of energy through an ecosystem. They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers.
Explanation:
Answer:
You're most likely to find sedimentary rocks near sources of water, which is where a lot of erosion takes place. You can find different types in riverbeds, ponds and coasts and throughout the oceans.
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The answer to your question is <span>mast
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Answer:
c) The largest problem is that single viruses may create multiple plaques, resulting in overestimates of the number of viruses present.
Explanation:
- Plaque-based assays are the accepted method used for finding virus concentration in terms of infectious dose.
- Viral plaque assays determine the number of plaque forming units (pfu) in a virus sample, which is one measure of virus quantity.
The right answer is Mitochondria.
Mitochondria are limited by two membranes with very different properties:
* The outer membrane is low in protein and contains a transmembrane protein, porin, which allows the passage of ions and water-soluble metabolites of molar mass <10,000 Da.
* In contrast, the inner membrane is very rich in proteins but it is almost impermeable to ions and water-soluble metabolites. These substances can only cross the membrane using transport membrane proteins (ATP, ADP and Pi are transported by this type of protein) or by more sophisticated mechanisms called shuttle.
* The space between these two membranes is called the intermembrane space.
