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Ostrovityanka [42]
3 years ago
6

A. explain in detail why dissolved oxygen in seawater can be used as an indicator of primary production.

Biology
2 answers:
wel3 years ago
4 0

"Dissolved oxygen in seawater is used as an indicator of primary production (as its surrogate, so to speak) because the amount of molecular oxygen produced during photosynthesis is directly proportional to the amount of carbon fixed during photosynthesis, and determining the amount of dissolved oxygen is much easier to do."

Andrews [41]3 years ago
3 0
Dissolved sea water is used as primary production to kill all the germs in the water
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Autopsy conducted on an individual who had died of pneumonia revealed bluish-green pus filling the lung. The causative agent of
Rus_ich [418]

Answer:

The agent causing the pneumonia, where bluish-green pus was found, is most likely Pseudomonas aeruginosa.

Explanation:

Pseudomona aeuriginosa is a gram-negative bacteria that is one of the main causes of hospital-acquired infections, including pneumonias in mechanically ventilated patients.

One of the characteristics of P. aeuriginosa is the formation of a bluish-green pus, since it has the capacity to form cyanide-based blue pigment upon contact with the organic tissues it infects. This is the reason why previously P. aeruginosa was called a pyocyanic bacillus.

<em>     The other options are not correct because the only bacterium that produces blue-green pus is P. aeruginosa.</em>

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2 years ago
A farmer has two types of cattle on his farm. One type grows very large, but takes a long time to grow. The other type grows qui
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If the farmer were to breed both of the two different types of cattle he would have a hybrid type of new cattle with both traits  :)
7 0
3 years ago
Explain why a silent mutation might not affect the protein for which it codes
jasenka [17]
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7 0
3 years ago
Under what conditions do photosynthesis and cellular respiration occur in most plants? under what conditions do photosynthesis a
dezoksy [38]
Photosynthesis occurs only in the light while cellular respiration occurs in both the dark and the light. Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight into chemical energy. The process takes in carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into ATP, and the release waste products. 
7 0
3 years ago
Read 2 more answers
Use this information to answer questions 6 - 11. Your original population of
grigory [225]

Answer:

1. How did the tidal wave  affect the predicted frequencies of the alleles in the population?

No changes

2. What is the frequency of the recessive allele?

q= 0.6

Explanation:

If we assume that all individuals were equally likely to be wiped out, that means the frequency/ratio of the gene and genotype of the population will not change. The tidal wave killing 100 out of 200, so it simply makes the population become half of it used to be.  

If the population at equilibrium, we can use the Hardy-Weinberg formula to find out the expected frequency of the dominant and recessive alleles. There are 36 homozygous recessives out of 100, so the frequency of the recessive allele will be:

q^2 = 36/100

q= √36/100= 6/10= 0.6

8 0
3 years ago
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