Answer:
As the liquid freezes the atoms within the liquid slow down because they lose energy, they then begin to form neat rows and turn into a solid.
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b. the burning of fossil fuels for energy and transportation
Karyotype examination needs to be done at metaphase.
In karyotype test, the examiner is trying to find whether the chromosome is having any abnormality. In metaphase, the chromosome is easier to count and observed.
A chemical (<span>colchicine) will be given to make the cells stuck at metaphase. </span>
Answer:
To observe crossing over in Sordaria, one must make hybrids between wild-type and mutant strains of Sordaria. ... When mycelia of these two different strains come together and undergo meiosis and then mitosis, the asci that develop will contain four black ascospores and four tan ascospores.
Explanation:
Answer:
we know that acceleration = force / mass
we have force = 100 N
mass = 25 kg
acceleration = 100/25
= 4m/s^2 is the answer
hope it's helpful
