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Maurinko [17]
2 years ago
8

Food moves through the digestive tract by what means

Biology
1 answer:
Artist 52 [7]2 years ago
5 0
Peristaltic movement in the digestive tract.
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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>

7 0
2 years ago
Which form of life on land appears in the fossil record BEFORE all the others? Select one: a. Insects b. Fish c. Reptiles d. Pla
hammer [34]
I believe it is either fish of plants (Most likely plants).

7 0
3 years ago
The ability to taste the chemical PTC is due to a single gene in humans.
Ganezh [65]

0:3:1

Explanation:

Tasters have the dominant allele for the itter taste of PTC, they can be homozygous TT and heterozygous Tt.

Non-tasters are supposed as autosomal recessive characters

they are homozygous recessive tt when expressed

Given in the equation two heterozygotes parents would produce offspring with the trait in the following ratio.

Tt (parent 1)

Tt (parent 2)

 If a punnet square is made

    T      t

T  TT    Tt

t    Tt     tt

The phenotypic character is in the ratio of 0:3:1

There will be 25% chances of recessive trait of non-tasters in the progeny of heterozygous parents.

5 0
3 years ago
What are the possible gamete combinations for this example (a heterozygous tall woman)?​
bulgar [2K]

Answer:

Tt. TT

Explanation:

those are the only two possible, unless tall is a recessive trait, then it's tt

6 0
3 years ago
What happens After each step in a dichotomous key?
cricket20 [7]
I think the organisms are compared to each other.
6 0
3 years ago
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