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leonid [27]
3 years ago
12

Vaccines are

Biology
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0

Answer:

To prevent a pathogen infection

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In each of the three systems, determine the state of entropy (low or high) when comparing the first and second: i. the instant t
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Answer:

a) i. low, ii. high, iii. low

Explanation:

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3 years ago
What chemical substance is used to power cellular activities?<br> Protein<br> RNA<br> ATP<br> DNA
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ATP is the chemical substance that is used to power the cellular activities
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A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
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50%

Explanation:

I used a punnet square

have a good day :)

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3 years ago
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chambers A and B are placed next to each other but are separated by a film permeable to both glucose and fructose. chambers A co
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Answer:

2.glucose move into chamber B faster than fructose

Explanation:  

  • Facilitated diffusion: refers to the transport of hydrophilic molecules that are not able to freely cross the membrane. Channel protein and many carrier proteins are in charge of this <u>passive transport</u>. If uncharged molecules need to be carried <u>this process depends on concentration gradients</u> and molecules are transported from a higher concentration side to a lower concentration side. If ions need to be transported this process depends on an electrochemical gradient. The glucose is an example of a hydrophilic protein that gets into the cell by facilitated diffusion.  Facilitated diffusion is a passive transport process because the cell does not need any energy to make it happen.  

The exposed scenario is an example of facilitated diffusion, a process that occurs in favor of the concentration gradient, and which rate depends on the concentration of molecules in each side of the membrane, in this case, glucose and fructose, among other factors that might also influence the diffusion rate. So, as the concentration of glucose is higher in chamber A (80%), and lower in chamber B (20%), in comparison with fructose, the first one will diffuse faster than fructose. The difference in concentration between both chambers is sharper in glucose, so its transport is faster than the fructose transport, which will also diffuse but at a lower rate.

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3 years ago
The scientific evidence that scientists use in supporting or critiquing the conclusions of experiments usually consists of
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The correct answer would be d) summarized data.

The summarized data gives the quick and easy description of all the observations obtained in the experiment.

The data can be summarized using different categories such as the total of the observations, frequency of the observations, mean value, variation et cetera.

It helps in deducing any conclusion from the observations such as the pattern of increase or decrease in the biological activity.

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4 years ago
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