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3 years ago

Difference between aerobe and anaerobe? Simple quick definitions real quick! Will upvote! <3

Biology

1 answer:

Mumz [18]3 years ago

5 0

Aerobe microorganism that grows in the presence. Anaerobe an organism that grows without air

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Evolution is the

lina2011 [118]

Answer:

Evolution is the biological process that happens over time in a population, giving rise to new species. The theory of evolution states that all organisms alive on Earth today have a common ancestor which lived years ago.

Explanation:

Evolution is one of the fundamental reason of diverse life on Earth today. Principally, this process takes place by changes in genetic elements via mutations and crossing-over. The positive changes (mutations) allow the organism to develop better condition in order to survive in changing environmment. However, if the changes takes place at major scale, it also leads to the creation/development of new species. To explain this further, I have added a photograph where we can see how different organisms were evolved in the history of Earth.

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3 years ago

I couldn’t fit the whole question in so the last two options are

dimaraw [331]

Answer:

I think it is

Natural disasters are a concern for human, life and property, but there is nothing we can do to predict them or prepare for them

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3 years ago

Adaptive immunity comprises two branches: humoral immunity and cellular immunity. What are the characteristics of each of the tw

kotegsom [21]

Answer:

Adaptive or acquired immunity is that we acquire throughout our lives through vaccines (active), breast milk (passive) or injection of specific artificial or natural antibodies to a certain pathogen (passive).

The two great arms of this immunity are the humoral and the cellular.

The humoral refers to the cytokines and immunomodulatory molecules that are responsible for transmitting fundamental messages between defense cells in order to coordinate the destruction of the pathogen between them.

Instead, cellular immunity speaks about cell lineage such as b, t, tcd4 lymphocytes, natural killers, plasmacytes, etc.

It can be said that the humoral factor is the one that coordinates the pathways and the relationships between the cells of the acquired immunity, both are important because the two need each other for adaptive immunity to work.

Explanation:

Examples of the humoral factor: pro and anti inflammatory cytokines, interleukins, complement chain, antibodies, TNF alpha, beta, etc.

Examples of cellular factor: plasmacyst, b lymphocyte, t lymphocyte, NT lymphocyte

6 0

3 years ago

What is the purpose of the oil on the oil immersion lens?

murzikaleks [220]

N light microscopy, oil immersion is a technique used to increase the resolving power of a microscope. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index, thereby increasing the numerical aperture of the objective lens.

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3 years ago

Read 2 more answers

After you have established a research question, which of the following should you do first?

Nastasia [14]

Answer:

After you have established a research question, which of the following should you do first?

put your research question into a null and alternative hypothesis

Explanation:

It expedient that after research question has been established, one needs to make a null hypothesis and alternate it, this gives a clue of what the researcher intends to find or problem to be solved.

7 0

3 years ago