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dexar [7]
3 years ago
7

Can someone help me with this pls

Biology
2 answers:
vovangra [49]3 years ago
4 0
Answer: antibodies reacting to other antigens
sladkih [1.3K]3 years ago
3 0

Answer:

your answer is antibodies reacting to foreign antigens.

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If two objects are moving at a constant speed with the same velocity, what will make the
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Answer:

<em>The velocity can change by changing the direction</em>

Explanation:

If the direction changes, then the velocity changes even though the speed is constant. Hope this helps!

4 0
2 years ago
What is the ultimate measure of evolutionary success?
vfiekz [6]

There is only one measure of "evolutionary success": having more offspring. A "useful" trait gets conserved and propagated by the simple virtue of there being more next-generation individuals carrying it and particular genetic feature "encoding" it. That's all there is to it.

One can view this as genes "wishing" to create phenotypic features that would propagate them (as in "Selfish Gene"), or as competition between individuals, or groups, or populations. But those are all metaphors making it easier to understand the same underlying phenomenon: random change and environmental pressure which makes the carrier more or less successful at reproduction.

You will sometimes hear the term "evolutionary successful species" applied to one that spread out of its original niche, or "evolutionary successful adaptation" for one that spread quickly through population (like us or our lactase persistence mutation), but, again, that's the same thing.


6 0
3 years ago
Which statement best represents how structure relates to function? a. Some insects live longer than others. b. Many tropical bir
Harlamova29_29 [7]
If we are not there we will be done by then I can go to the movies with him tomorrow and I can do a
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During exercise, protein synthesis in muscle cells stops. After exercise, protein synthesis starts again and contributes to the
Marysya12 [62]

Answer:

D. 4E-BP1 binding to elF4E prevents loading of the mRNA onto the ribosome.

Explanation

In eukaryotic organisms, the eIF4E translation initiation factor functions by directing the ribosomes to the 5'-terminal cap structure of the messenger RNA (mRNA) in order to start the translation. Moreover, phosphorylation is a posttranslational modification of specific amino acids on proteins that play diverse cellular functions by altering protein stability, location, and/or enzymatic activity. It has been shown that elF4E phosphorylation is increased in response to cellular stimuli that induce translation in the ribosomes (e.g., growth factors, hormones, etc). The eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) is a repressor of mRNA translation which is phosphorylated and inactivated by growth factors and hormones, thereby inhibiting 4E-BP1 binding to elF4E and consequently activating translation.

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How does DNA and vaccines work and why is it important, if you use something from a website, please site
musickatia [10]
DNA and Vaccines work by injecting a small dosage of the virus so your immune system already knows how to react.
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