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liberstina [14]
3 years ago
11

Plz hurry tyy! I will give branliest!!

Biology
1 answer:
Jobisdone [24]3 years ago
5 0
Electron microscope‘s differ from light microscope’s in that they produce an image of specimen by using a beam of electrons rather than a beam of light. Electrons have such a shorter wavelength than visible light, and this allows electron microscope to produce higher resolution images than standard light microscope‘s
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3 years ago
In this case of trisomy 18, how many chromosomes would have been present in the first polar body?
lora16 [44]
Polar bodies serve to eliminate one half of the diploid chromosome set in meiotic division in the egg, leaving behind a haploid cell. That means that 23 pairs (46) of chromosomes are going to be separated equally, 23 for the polar body and 23 for the egg cell. In case of trisomy 18, the division is not equal. Instead, the egg cell receives 23 +1 chromosomes and the polar body receives 23 - 1= 22 chromosomes.

That chromosome that was misplaced is the chromosome 18.
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3 years ago
A change that increases an organism's chances of survival is called a(n) _____.
algol [13]
<span>A change that increases an organism's chances of survival is called an adaptation. </span><span>An adaption is any inherited characteristics that increase an organisms chance of survival. It is the way organisms </span><span><span>response to the imposed conditions. The characteristics can be structural, behavioral or physiological.  </span>Adaptations may include changes in habitat, genetic changes, mimicry, internal adaptations...</span>

4 0
3 years ago
What factor causes global wind patterns
photoshop1234 [79]

Answer:

the Coriolis effect

Explanation:

the earths rotation causes wind also known as the coriolis effect

7 0
2 years ago
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