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Leya [2.2K]
3 years ago
6

Earths inner core is inferred to be solid based on the analysis of

Biology
1 answer:
borishaifa [10]3 years ago
6 0
The answer is B. seismic waves
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Birds with average-size wings survived a severe storm more successfully than other birds in the same population with longer or s
Alekssandra [29.7K]
The correct answer is stabilising selection. This is selection that favours an average trait value. It is thought that this sort of selection is very common as traits among most animals do not appear to change drastically over time. Stabilising selection selects against the extreme traits, and leads to a decrease in genetic diversity by favouring the average phenotypes. 
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3 years ago
How do these equations explain why the total amount of O2 and CO2 remains the same?
Troyanec [42]

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This constancy of the chemicals involved denotes that no particular reaction is taking place on the cells involved. For instance, during photosynthesis it would require CO2, H2O and photons to initiate the process. Thank you for your question. Please don't hesitate to ask in Brainly your queries.

8 0
3 years ago
Which is a symbiotic relationship?
siniylev [52]
D. A plant using sunlight to make good
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3 years ago
Which is a kingdom? <br><br> a. plantae<br> b. mollusca<br> c. mammalia<br> d. Athropoda
White raven [17]

Answer:

mammalia

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3 0
2 years ago
Select the five major mechanisms of antimicrobial resistance. Check All That Apply
Rudik [331]

Answer:

All the given statements are correct except b.

Antimicrobial resistance (AMR) refers to the ability of a microorganism to grow in the presence of drug or a chemical that would normally limit its growth or kill it.

It makes it difficult for the existing drugs to eliminate the infection as they become less effective against the microbe.

There are five major mechanisms by which a microbe attains resistance against antimicrobial chemical or drug:

  1. Drug modification or inactivation: A microbial enzyme inactivates the antimicrobial agent. For example, few bacteria produce β-lactamases which provide multi-resistance against β-lactam antibiotics such as penicillin, cephalosporin etc.
  2. Alteration or modification of target site: An altered target site prevents the antimicrobial agent from binding to its target. For example, alteration of penicillin binding protein (PBP) in Methicillin-resistant <em>Staphylococcus aureus </em>(MRSA).
  3. Alteration of metabolic pathway: The microbe uses an alternative pathway to circumvent the blocked pathway. For example, sulfonamides-resistant bacteria started using preformed folic acid in place of  para-aminobenzoic acid (PABA).
  4. Decreased drug accumulation: Microbial efflux pumps remove the antimicrobial agent (before it could do any damage) by pumping it out of the cell.
  5. Decrease in cell permeability: The permeability of the microbial envelope to the antimicrobial agent is decreased
8 0
3 years ago
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