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snow_tiger [21]
2 years ago
8

Biosynthesis of vitamin K (menaquinone) by ________ spp. inhabiting the ________ of humans is a potentially important mutualisti

c relationship for human health.
Biology
1 answer:
masya89 [10]2 years ago
3 0

Answer:

1. E.coli

2. Intestinal tract

Explanation:

E.coli bacteria are useful to humans when they live in the large intestine of humans. The large intestine is an important digestive structure as it is important for the reabsorption of the nutrients.

The E.coli living in the intestine use the available digested nutrients and synthesises the vitamin B and K which are absorbed and utilised by the human body.

Thus, E.coli and Intestinal tract is correct.

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Jonathan used the following soil triangle to identify a sample of soil as sandy clay.
sineoko [7]

The description of soil according to Jonathan is as follows:

  • Mostly large grains, with a gritty texture, 45% sand, 5% clay, and 45% silt ---- Silty loam soil.
  • Mostly large grains, with a sticky texture, 55% sand, 40% clay, and 5% silt ----- Sandy clay soil.
  • Mostly small grains, with a sticky texture, 30% sand, 50% clay, and 20% silt ----- Clay soil.
  • Mostly small grains, with a smooth texture, 30% sand, 5% clay, and 65% silt ----- Silty loam soil.

<h3>What is Soil Texture?</h3>

Soil texture may be defined as a classification of soil on the basis of its physical appearance, texture, and properties.

In this question, the texture and composition of other soil are illustrated briefly with respect to each common soil type.

Therefore, it is well described above.

To learn more about Soil texture, refer to the link:

brainly.com/question/946875

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6 0
1 year ago
What are three things that are necessary for yeast to grow?
just olya [345]
PH Level, and food source such as sugar.


5 0
3 years ago
15 POINTS!!!!!!!!
Ksenya-84 [330]
1. four, bond
2. Cohesion
3. Adhesion is correct ... looked in my bio book sorry
4 0
2 years ago
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Which disorder is a less severe but chronic form of depression?
choli [55]

Answer:

Persistent depressive disorder.

Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression.

4 0
1 year ago
In summers, the leaves of a potted plant droops when the soil becomes dry. Which cell organelle makes the leaves to droop?
Kipish [7]

Answer:

4) Vacuole as it loses all the water

Explanation:

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2 years ago
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