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KatRina [158]
3 years ago
6

CORRECT + BEST EXPLANATION GETS BRAINLIEST

Biology
2 answers:
katrin2010 [14]3 years ago
8 0

B. It provides information about why certain measurements are made in an experiment

From experience, to be able to have background research helps in the design of an experiment because it would tell you what is being measured in a experiment. Without the background information, my whole class got lost on what to do until my teacher told us what we had to measure and how we could measure the experiment.

joja [24]3 years ago
5 0

B. It provides information about why certain measurements are made in an experiment is correct.

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Puffer fish can be toxic to eat because they contain tetrodotoxin, a poison that blocks voltage-gated sodium channels. If you co
Neporo4naja [7]

Answer:

It would block the generation of action potential in the motor neurons

Explanation:

Tetrodotoxin (TTX) is a toxic compound found in the Pufferfish which could affect the neuronal signalling in the humans.

The tetrodotoxin binds to the sodium channels present in the motor neurons in the soma region of the neuron where the binding of the tetrodotoxin to the sodium channels inhibits the inward flow of the sodium ions. The reduction in the influx of sodium ions does not change the depolarization of the cell membrane and hence action potential is not generated in the motor neuron.

Thus, It would block the generation of the action potential in the motor neurons is the correct answer.

7 0
4 years ago
Help with questions in image
Lyrx [107]

Answer:

A) bird

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Explanation:

7 0
2 years ago
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If you have black hair and
oksian1 [2.3K]

Answer:

Codominance

Explanation:

In genetics, codominance refers to a type of inheritance in which two variants (alleles) of the same gene are expressed differently in one individual, resulting in different phenotypes.

7 0
2 years ago
What type of data is analyzed to know the structure of the middle layers of the earth?
vlabodo [156]

The correct answer is seismic waves.

The middle layer of the Earth’s is called mantle. Mantle is dense and hot layer composed of silicate minerals. In the base of mantle secondary earthquakes disappear.  

Seismic tomography is used for the imaging of this layer. It is an imaging technique that uses seismic waves generated by earthquakes to create images of Earth’s structure.

6 0
3 years ago
Describe the journey of a red blood cell in the body
motikmotik
The red blood cells<span> travel around the </span>body<span> within capillaries. The </span>red blood cell travels<span> through the pulmonary artery to the lungs. Here it picks up oxygen, </span>travels <span>back to the heart through the pulmonary vein and then enters the left atrium.</span>
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