2. The DNA fragment has a lower molecular weight.
3. The DNA fragment has a higher positive charge.
4. The DNA fragment has a higher negative charge.
Explanation:
Boom, here are the correct answers:
- 1. The DNA fragment has a higher molecular weight. (heavier molecules move slower through the gel)
- 3. The DNA fragment has a higher positive charge. (more charge = more interaction with the electrical field)
- 4. The DNA fragment has a higher negative charge. (again, more charge = slower movement)
- 2 is FALSE! Lower molecular weight DNA fragments move faster through the gel, so the fragment that traveled less far in the gel actually has a higher molecular weight.
The DNA fragment that traveled less far has a higher molecular weight.
The DNA fragment that traveled less far in the gel has a higher molecular weight. Gel electrophoresis separates DNA fragments based on their size, with larger fragments traveling a shorter distance. Therefore, option 1 is correct.
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B. helped to spread the Renaissance to northern Europe
C. weakened the prestige of the popes
D. strengthened the overseas trade of Italy
Answer:
Landmasses include supercontinents, continents, and islands. There are four major continuous landmasses on Earth: Afro-Eurasia, the Americas, Antarctica and Australia.
Explanation:
Answer:
Afro-Eurasia, the America, and Australia.
Explanation:
Answer:
Interdependence
Coevolution
b. buzzard
c. falcon
d. robin
Answer:
Robin.
Explanation:
Robin is a small bird that are generally found that were earlier classified in the thrush family. These birds generally have orange or red breast. The male and female species are same in color.
These birds are insectivorous and feeds on insects. They have special size beak for eating the insect. The beaks are modified especially for their eating habitats.
Thus, the correct answer is option (d).