Kinetic energy of a snowball will increase as it <span>rolls across the lawn and gains mass. We already know that Kinetic energy is directly proportional to speed. We can express kinetic energy by the formula
Kinetic energy = 1/2 mv^2
Now as the mass increases and the velocity remains constant, the kinetic energy of the snowball is bound to increase. I hope the explanation has helped you.</span>
Answer:
Smaller the size of the DNA fragment, farther it moves during electrophoresis. The sketch of the position of the fragments has been drawn in the figure below.
Explanation:
As we know DNA is a negatively charged molecule. So during electrophoresis the fragments move towards the positive electrode because opposite charges attract each other.
Different fragment move different distances according to their size during the electrophoresis. Smallest segment travels the largest distance in the gel medium while the largest one travels least distance.
In the question there are four DNA fragments with base pairs 4000, 2500, 2000 and 400 so the smallest segment with 400bp will be farthest from the starting point and the largest fragment with 4000bp will travel least distance in the gel medium. Their respective positions are shown in the figure below. The starting point is near the negative electrode.
Answer:
I looked this one up for u ;)
Flowering plants. ... Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit.
Answer:
why was the discovery of pencillin important?
Penicillin discovery came as a result of the plague that rages St Mary's hospital in 1928, the discovery by a man called Alexandra Fleming which drastically reduce the death rate. Penicillin is an antibiotics that is gotten from mould and it has different strains/species
Explanation:
The limbs of the organisms are similar because they are formed in similar ways during embryonic development and share similar arrangements.
