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Contact [7]
3 years ago
8

Thiobacillus denitrificans is a species of bacteria that obtains its energy from carbon dioxide and inorganic compounds such as

nitrogen in its environment. It is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed. Through what process does Thiobacillus denitrificans help bioremediate groundwater? nitrification denitrification nitrogen fixation decomposition
Biology
2 answers:
yawa3891 [41]3 years ago
6 0

denitrification

Explanation:

Thiobacillus denitrificans are denitrifying bacteria

Fudgin [204]3 years ago
4 0

Answer:

b on edge

Explanation:

just took test.

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The slow accumulation of genetic changes to an influenza virus over time is referred to as _______.
Ivenika [448]

Answer:

<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.

Explanation:

Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.

The antigenic drift occurs in the influenza A virus and also the influenza B viruses.

Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>          

8 0
3 years ago
Which of the following does not characterize the lungs of birds?
kompoz [17]

Answer:

C) They are compressed during inhalation.

Explanation:

Birds breathe through rigid lungs that are located in the animal's thoracic region. The trachea of birds divides into bronchi that branch inside the lungs into very thin tubes called parabronchials or parabroncholes, which are irrigated by blood capillaries that allow gas exchange.

In birds there are no pulmonary alveoli (as in mammals), but air capillaries that depart from the parabroncholes. Oxygen gas passes from these capillaries to the blood capillaries, thus causing gas exchange.

In the lower portion of the bird's trachea, before branching the bronchi, we can find the syringe, a bag-like structure that has vocal cords responsible for the birds' scream and song. Most of the time, the sound emitted by birds serves to attract the mate, mark territory and prevent birds of the same species against some predator or other danger.

8 0
3 years ago
Between five and ten different types of cells are in the human body.
Lana71 [14]
If this division is based on tissue formation then it is correct because there are 8 types of cells. If it's based on the function then it's incorrect because there are more than 10.
8 0
3 years ago
Fill a small bowl with 1-2 inches of water. Take a sewing needle and place it on a tissue paper. Place the tissue paper with the
kobusy [5.1K]

The sewing needle should float in the water if placed on a horizontal angle if I remember properly.

I hope this helps in some way.

5 0
3 years ago
What’s the answers the question?
Sav [38]

Answer:

B- fold incorrectly

Explanation:

Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals.

3 0
3 years ago
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