The correct answer is: C) shortening of microtubules
Chromosome movement is possible thanks to changes in microtubule length. Several types of microtubules are involved. First, during the anaphase kinetochore microtubules shorten and consequently the chromosomes move toward the spindle poles. Then the astral microtubules that are anchored to the cell membrane pull the poles further apart. At the end of anaphase, the interpolar microtubules slide past each other and that additionaly separate the chromosomes.
Answer:
Two people with brown hair could have a child with blonde hair, but only if they are both heterozygous.
Answer:
ANSWER: C
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Archaea actually are a domain! Originally they were thought to be bacteria, but have since been classified in their own domain: archaea.
A limiting factor in ecology refers to the resources in the environmental conditions, which restrict the growth, distribution, or abundance of an organism or a population of organisms in an ecosystem.
In the given situation in Atacama Desert, water is a limiting factor as due to the scarcity of water the plants are having a tough time growing, which restricts the number of plants found in the desert.
