When cell division is not regulated it can cause a malignant rumour called cancer , radiation is used in chemotherapy to kill the cancer, tumoutsd can also be benign
Answer:
It is true to say that by using cuttings, exact genetic characteristics can be maintained, because the cuttings retain the same genetic information about the plant from which they were extracted.
Explanation:
Cuttings are buds or branches extracted from a plant to obtain a plant of the same species, through a type of asexual reproduction.
Once separated from the "progenitor" plant, the cutting is provided with a suitable medium for growth, and will have the possibility of growing roots, developing and growing as an independent plant, with the same genetic characteristics of the original plant, as if it were a clone.
In this reproductive process, man intervenes.
The answer would be D, evolved from a common ancestor
Hope this helps!
Answer:
The answer is D.
Explanation:
The way x-rays are produced is as follows; using a vacuum environment in a tube, the cathode is heated to a degree where it releases electrons, then these electrons collide with the anode releasing energy that create the x-rays.
All of the options are correct. Although the electron most likely won't stop, it will slow down and change direction after the collision. The law of conservation of energy is also applied in this situation, meaning that the kinetic energy of the electron released by the cathode will transfer to the anode to produce the x-rays. Most of the energy after the collision is converted into heat, which is why the metal used as the anode can heat up to 2000 degrees celcius.
I hope this answer helps.
Missouri Compromise made provisions for federal authority in the west but prohibited the spread of human bondage.
What is Missouri Compromise?
- The Missouri Compromise Act, passed by the US Congress in 1820, admitted Missouri as the 24th state to the Union.
- Northern congressmen attempted unsuccessfully to attach amendments preventing further slaveholding after the area requested sovereignty without constraints on slavery.
- When Maine (which was once a part of Massachusetts) applied for statehood, Henry Clay brokered a deal that saw Maine admitted as a free state and Missouri admitted as a slave state.
- Slavery was subsequently outlawed in areas north of Missouri's southern boundary.
- Clay's solution highlighted the sectional divide while appearing to resolve the slavery-extension issue.
Learn more about Missouri Compromise with the help of following link:
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