A female Asian carp lay can 300,000 eggs
Answer:
Nucleus is the structure present in the cells that directs the cell activities.
Explanation:
Nucleus is responsible for cell division also it has heredity material stored inside it in the form of DNA.
It also plays a very important role in the synthesis of particular enzymes as well.
Answer:
Mutation.
Explanation:
Mutation may be defined as the sudden heritable change in the DNA sequence of the organisms. Mutation can results in the change in the genotype and phenotype of the organisms.
Two main types of mutation are spontaneous mutation and induced mutation. Induced mutation occurs intentionally with the help of the mutagens. Spontaneous mutation is the natural mutation that occurs for the no known reason.
Thus, the answer is spontaneous mutation.
Answer:
Generalized anxiety disorder
Explanation:
An individual is said to be suffering from generalized anxiety disorder (GAD) when he/she is excessively and continually worried about several things at the same time. This worry could be as a result of concern about health, work, money , family and other pressing issues. People with generalized anxiety disorder usually have difficulty in controlling their worries.
Generalized anxiety disorder is not limited to any age. Other symptoms are sleeplessness, muscle tension, obsessive-compulsive disorder, restlessness etc. It is usually treated with counselling or drugs like antidepressants.