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Schach [20]
3 years ago
7

- The electrons in the outermost ring that are used to determine reactivity are called

Biology
1 answer:
ki77a [65]3 years ago
8 0

Answer:

Valence Electrons

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What type of molecules are the potassium and sodium in the axon?
andreyandreev [35.5K]

Answer:

b, ions

Explanation:

Poteassium and sodium in their ion molecular form in the axon of a neuron as they are are used in proton pumps to aid in the movement of neurons.

6 0
3 years ago
Japanese honeysuckle is found in the United States. It outcompetes other plants by blooming early and dying off late. This is an
Dominik [7]

Answer:

nonnative species

Explanation:

just learned about it on Edge

6 0
4 years ago
Explique de que forma a obstrução dos vasos da planta hospedeira pelos biofilmes de bactérias pode levar à morte progressiva das
musickatia [10]

Answer:

Os biofilmes são uma comunidade complexa de microrganismos, que pode ser composta por uma única espécie ou uma combinação de espécies. Os biofilmes são geralmente formados nas superfícies de materiais não vivos ou nos tecidos de organismos vivos; que pode estar externamente nos tecidos vivos dos organismos ou dentro dos tecidos vivos do organismo. Quando os microrganismos formam um biofilme, aumentam suas chances de resistir a anticorpos produzidos pelo organismo e aumentam suas chances de colonização completa do organismo. Algumas doenças são caracterizadas pela presença de biofilmes, que são, na maioria dos casos, a causa da doença.

<em>No caso de obstrução de vasos de plantas hospedeiras por biofilmes bacterianos; os biofilmes se formam na superfície do vaso e aumentam gradualmente de tamanho até que haja uma obstrução completa do vaso da planta. Quando o vaso da planta é eventualmente obstruído, o fluxo de materiais e minerais necessários é obstruído; levando à obstrução das células da raiz de receber materiais vitais e minerais necessários para o crescimento, isso eventualmente leva à morte progressiva das células da raiz.</em>

5 0
4 years ago
What surrounds the cell and controls the movement of substances in and out
Nonamiya [84]

Answer:

The plasma membrane is made up by a phospholipid bilayer with embedded proteins that separates the internal contents of the cell from its surrounding environment. Only relatively small, non- polar materials can easily move through the lipid bilayer of the plasma membrane.

Explanation:

7 0
3 years ago
A landfill is an area that has been cleared out in order for humans to dispose of waste products.
choli [55]
B. Soil Contamination

All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
8 0
3 years ago
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