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Shtirlitz [24]
3 years ago
7

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony

has a major impact on native flora and fauna. b. Fire ant colonies can spread by sending out winged members c. Even a single remaining colony can rebuild the invasive species population d. None of the above e. All of the above _ its E. ?
Biology
2 answers:
Solnce55 [7]3 years ago
6 0

Answer:

A. every colony has a major impact on native flora and fauna.

Bond [772]3 years ago
4 0

Answer:

E. All the above

Explanation:

I just took the quiz and it was correct!

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Ecosystems / 11 of 18
WINSTONCH [101]

Answer: A

Explanation: HAVE AN AMAZING DAY :D

4 0
2 years ago
A synthetic 20 amino acid polypeptide named Betanova was designed as a small soluble molecule that would theoretically form stab
ra1l [238]

Answer:

The β-Turns in this sequence are two and include the Glycine (G), the two anterior amino acids, and the one posterior amino acid.

You will find the molecule image in the attached file.

Explanation:

β-Turns are structural elements that intervene in the orientation of the polypeptide backbone. These are short sequences of amino acids, with a characteristic conformation, that imposes a sharp 180º turn on the polypeptide chain. They are very abundant in globular proteins, such as Betanova, connecting the two adjacent antiparallel segments of the sheet.    

They are mostly composed of four amino acids. In most cases, the third amino acid is usually Glycine, and in other cases, the second amino acid is Proline. In any case, the first residue of the sequence forms a hydrogen bridge with the last residue of the sequence, linking the amide-group of the last amino acid with the carbonyl-group of the first amino acid in the sequence.    

According to the given sequence of the protein, we can find two specific regions in the molecule that contains glycine (G). Proline is not present in Betanova. Following the theory, in most turns, Gly seems to be the third amino acid of the short sequence. So, we can assume that the first two amino acids that are located before the G and the amino acid located after the G, are the ones that compose the β-Turns.

RGWSV<u>QN</u><u>G</u><u>K</u>YT<u>NN</u><u>G</u><u>K</u>TTEGR      

  • The first turn (QNGK) turns the direction of the polypeptide 180º, going forward to the opposite side.
  • The second turn (NNGK) turns again the direction of the polypeptide, driving the last strain to the other side.          

In the attached image, you will find the structure of Betanova showing strands (black arrows) and turns (red arrows).  

4 0
3 years ago
It is said that corporations have perpetual life. <br> a. True <br> b. False
Sever21 [200]
<h2>Answer:</h2>

It is a true statement that life of the corporation is perpetual.

<h2>Explanation:</h2>

A consolidated organization has interminable progression that is despite any adjustment in its individuals the organization will hold as a similar substance with similar benefits and resistances, domain and assets. The passing or bankruptcy of individual part doesn't in any capacity, influence its corporate presence and the organization will proceed with its reality as normal until it is ended up as per the arrangements of the Companies Act.

The unending presence of a consolidated organization is all around outlined by certifiable saying, individuals may come and individuals may go, yet the organization can continue forever.

8 0
3 years ago
The reticular activating system is part of the____?
ElenaW [278]

Answer:

Reticular activating system (RAS)

Explanation:

7 0
2 years ago
Read 2 more answers
Which of the following are some examples of rapid environmental changes? Please select all that apply.
Stolb23 [73]

Answer:

fire

landslide

avalanche

Explanation:

Fire, landslides, and avalanches are the examples of rapid environmental changes because they are able to destroy or affect the structure of living organism in a particular area. For example, fires can destroy all forms of life within days. A recent event of wildfire in Austria killed more than 1 billion of animals. Similarly, landslides and avalanche are geological calamities that are caused by the movement of a large mass of rock debris or snow moving downhill. The living organisms living there would be killed and this process can diminsh many forms of life (multicellular eukaryotes) rapidly.

On the other hand, (ecological) succession is a very slow process that results into change or disappearance of living organisms or particular species or ecological community in an area. This process can take place over decadaes, thousands or million of years. It can also lead to the species extinction as well.

3 0
3 years ago
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