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pentagon [3]
3 years ago
6

A certain bacterial species contains carboxysomes. From this information, it can be inferred that the species is capable of Choo

se one: A. carbon fixation. B. polyketide synthesis. C. the reductive TCA cycle. D. nitrogen fixation.
Biology
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

The correct answer is A. carbon fixation.

Explanation:

Carboxisomes are the microcompartment which is present in cyanobacteria and some chemotrophic bacteria which contain an enzyme called RuBisCO. This enzyme is responsible for carbon fixation in bacteria and plants.

Carboxysomes contain many polyhedron proteins that contain these enzymes which do carbon fixation in the Calvin cycle. As in carboxysome, the concentration of CO2 around RuBisCO is high so the competition with O2 is decreased or eliminated that favors carbon fixation and production of organic compounds. So the correct answer is A.

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How many genes to dihybrids compare?<br><br> 1<br> 4<br> 3<br> 2
Gre4nikov [31]

Answer:

1

Explanation:

Therefore, a dihybrid organism is one that is heterozygous at two different genetic loci. In 1865, Gregor Mendel performed dihybrid crosses on pea plants and discovered a fundamental law of genetics called the Law of Independent Assortment.

4 0
3 years ago
Which of these is not one of rusbult and colleagues' (1986, 1987, 1998) three ways of coping with a failing relationship?
Sindrei [870]
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8 0
3 years ago
You want to determine if the source of fecal contamination is from dairy cows or wild deer. Which antibiotic would give you the
victus00 [196]

Answer:

Piperacillin and tazobactam, imipenem and cilastatin, or meropenem may be used.

Explanation:

Antibiotics such as piperacillin and tazobactam, imipenem and cilastatin, or meropenem can be used for the treatment of Fecal coliform bacteria that causes fecal contamination. There are some other methods also used to avoid Fecal contamination i.e. boiling of water, treating water with chlorine, or UV disinfection are the methods that are used to reduce Fecal coliform bacterial infection.

6 0
3 years ago
Which of the following samples has the greatest population density?
Andrews [41]

The right answer is D.

The density of a given population is calculated by dividing the number of inhabitants by the area expressed in km² (or in hectares).


Number of inhabitants ÷ area (in km²) = number of inhabitants / km²



A = 125000 organism/ 2.5 m2 = 50,000 organisms / m2


B = 13000 organisms / m2


C = 37500 organisms / m2


D = 200000 organisms / m2

8 0
4 years ago
Read 2 more answers
The presence of an appropriate enzyme affects only the __________.
iVinArrow [24]

Answer;

-The rate of the reaction;

The presence of an enzyme affects only the rate of the reaction.

Explanation;

-Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

-Additionally, the rate of a chemical reaction increases as the substrate concentration increases. Enzymes can greatly speed up the rate of a reaction. However, enzymes become saturated when the substrate concentration is high.


4 0
3 years ago
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