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AfilCa [17]
3 years ago
10

Explain how using the molecular weight of the DNA allows you to compare sections of DNA?

Biology
1 answer:
katrin2010 [14]3 years ago
7 0

Answer:

When a gel is stained with a DNA-binding dye, the DNA fragments can be seen as bands ... At the molecular level, the gel is a matrix of agarose molecules that are held ... the DNA fragments will glow, allowing us to see the DNA present at different ... By comparing the bands in a sample to the DNA ladder, we can determine ...

Explanation:

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What are the possible phenotype(s) for their children? *<br> A. Hazel eyes<br> B. Brown eyes
zhenek [66]

Answer:

hazel eyes are recessive, Brown eyes are dominant. is there a pedigree along with this question?

Explanation:

Please insert an image of a pedigree

hope this helps!

✧◝(⁰▿⁰)◜✧

8 0
3 years ago
Which of the following adds to the greenhouse effect and global warming?
Natali5045456 [20]

Answer:

The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs). On Earth, human activities are changing the natural greenhouse

Explanation:

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7 0
3 years ago
Why do steeper mountain slopes have faster rates of erosion by<br> rivers and streams?
rjkz [21]
Mountain slopes have faster erosion because it is easier for fast moving bodies of water to carry down eroded material downhill, rather than across flat land.
6 0
3 years ago
In Illinois, the two most common crops grown are corn and soybeans. Corn is a that depletes the soil of nitrogen. Soybeans are a
lina2011 [118]

<u>Answer:</u>

<em>Farmers definitely use the information above to plan out their crops from one year to next.</em>

<u>Explanation:</u>

Nitrogen is an essential nutrient required for healthy plant growth. Corn is an important food crop and after its cultivation the soil is depleted of its nitrogen. <em>Cultivation of any crop on soils that lack nitrogen will not yield good result.</em>  

Thus the nitrogen in the soil has to be replenished. Soybean is a crop that has symbiotic bacteria living on its roots. <em>This bacteria help in fixing atmospheric nitrogen.</em> Thus the nitrogen level will get replenished.  

Thus cultivating soybean on the land in the period between <em>harvest and sowing of corn would be a healthy practice that increases yield and maintains soil health.  </em>

7 0
3 years ago
What is it called when Bacteria converts ammonia into nitrates
serious [3.7K]

Answer:

Nitrification.

Explanation:

It is a part of the Nitrogen Cycle. The bacterias can convert ammonia into nitrite and nitrate, these compounds are fundamentally important for all life. They are used for the creation of proteins and amino acids.

I hope this answer helps you.

6 0
3 years ago
Read 2 more answers
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