Answer:
The rule of magnetism illustrated is the field lines are more concentrated at the poles and also about the direction of magnetic field.
Explanation:
- Every magnet has two pole, north pole and south pole. The like poles repel each other and unlike poles attract each other.
- The direction of magnetic field is from north to south that can be seen by the iron filling experiment.
- When the iron fillings are kept near the bar magnet, we observe that most of the fillings are attached to either poles.
- It is due to the fact that the concentration of magnetic field is highest at the poles.
D. TT x tt. When using a punnett square and substituting with the different genotypes, all of them will be Tt. And since T is the dominant trait, the offspring will be very tall.
The Mayans lived in jungle like areas, where there is a lot of vegetation and it rains frequently
In my opinion, I think that coal is the most important mineral of all. It keeps us warm during winter and it helps train transport food and other goods that we need.
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Answer:
Option-C
Explanation:
A pulse-chase experiment which is used to study the cellular process taking place in the cells. This uses the labelled molecule which is incorporated into the cellular pathway and then the unlabeled molecules are used over time to determine how much time is required by the unlabeled molecule to replace the labelled molecule.
In the given question, the pancreatic cell which secretes the digestive enzyme known as the acinar cell is labelled with the leucine and then used unlabeled leucine.
When observed after three hours, the black spots will appear on the exterior of the cell as the protein has been synthesised by the ER and now has been secreted from the cell.
Thus, Option-C is the correct answer.
