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andreyandreev [35.5K]
3 years ago
5

What is a limitation of using electron microscopes to view specimens?

Biology
2 answers:
strojnjashka [21]3 years ago
8 0
I think this one is correct: C. You cannot view live specimens because the necessary preparation kills cells. 
quester [9]3 years ago
5 0

Answer:

C

Explanation:

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This is your answer

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4 years ago
why was the apple red in light? it has to include one of these words Reflection Refraction Waves Amplitude Frequency Energy Wave
gayaneshka [121]

Answer:

This happens due to both refraction and reflection. You're able to see the "red" on the apple because the light reflects off of it and into your eyes thus making the color visible.

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3 years ago
___________ separate(s) a carrying species from a nesting species. Response to loving and kissing Interest in cuddling and playi
Sedbober [7]

Breast milk composition and frequency of demand feedings separate a carrying species from a nesting species.

<h3>What does patterns of parental care mean?</h3>

The patterns of parental care can be defined as stimuli that shape the relationship between parent and offspring in different species.

Carrying species are those species where parent care do not involve building nests for their offspring (conversely to nesting species).

In conclusion, breast and demand feedings separate a carrying species from a nesting species.

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7 0
2 years ago
type ii restriction enzymes, such as ecori, that make staggered cuts within its recognition sequence, are considered more effect
postnew [5]

Type II restriction enzymes, such as Ecor I, that make staggered cuts within its recognition sequence, are considered more effective in biotechnology because they result in cohesive or sticky ends.

<h3>What is Ecor I and why are sticky ends important?</h3>

Ecor I is a kind of restriction enzyme which is obtained from Escherichia coli. The palindromic sequence recognized by this enzyme is 5' - GAATTC - 3'. It makes the following cuts between G and A on both the strands of the DNA to form sticky ends:

5' - G↓AATTC - 3'

3' - CTTAA↑G - 5'

Sticky ends are a fragment of DNA which is produced through a staggered cut, by the use of restriction enzyme. In this the terminal portion stretches with unpaired nucleotides. These kind of ends are easy to ligate when rDNA needs to be formed.

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5 0
2 years ago
What are the benefits of having a wide variety of plant species on Earth?
Vinvika [58]
A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms. Healthy ecosystems can better withstand and recover from a variety of disasters.
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3 years ago
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