Answer:
ALS causes the motor neurons to gradually deteriorate, and then die. Motor neurons extend from the brain to the spinal cord to muscles throughout the body.
Answer:
Sister chromatids. (Ans. B)
Explanation:
Sister chromatids are defined as the identical chromatids formed by the DNA replication of the chromosome, both copies of chromatids are joint together by a centromere. A pair of chromatids are known as dyad.
A set of sister chromatids formed during the S phase or synthesis phase of interphase, while all the chromosomes present in a cell is replicated. During the process of mitosis, or second division of meiosis the two sister chromatids are gets separated from each other into two different daughter cells, and each cell receives one copy of the chromosomes.
Answer:
False
Explanation:
Prophase is the first phase of mitosis, the chromosomes are visible in this stage. The chromosomes are distinct but they are not shortened.
The correct answer is A - eventually a predatory species may utilize it as an energy source and its negative impact on the ecosystem will be decreased but until then, the pad trees will suffer the consequences.
