Answer:
C
Explanation:
Got it right
B. repel each other
C. combine to provide a balanced force
D. create friction
DNA replication is the process by which two DNA molecules are produced from one parent DNA molecule. DNA replication is semi conservative, this implies that, each strand in the double helix DNA molecule act as a template for the synthesis of a new, complimentary DNA strand. Because semi conservative method has a DNA template that is already accurately formed, the probability of having errors in the newly formed strand is drastically reduced.
Semi-conservative replication is a process of DNA replication in which each new DNA molecule formed contains one original strand (parental strand) and one newly synthesized complementary strand.
This type of replication occurs during the cell division cycle, ensuring that the genetic information is faithfully copied and passed on to the daughter cells without introducing significant mutations.
By combining accurate base pairing, proofreading, and repair mechanisms, semi-conservative replication ensures that the newly synthesized DNA strands are as identical as possible to the original parental strands. This fidelity in replication is vital for preserving the genetic information and preventing mutations that could lead to genetic disorders, cancer, or other harmful consequences in the offspring cells.
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B. Natural selection does not cause a species to change.
C. Natural selection is the only cause of changes in a species.
D. Natural selection usually causes a species to change gradually.
please i beg help me 18 points if you help
The true statement about naturalselection is that natural selection usually causes a species to change gradually.
Natural selection, also known as survival of the fittest, is the process by which populations that are better adapted to their environment have a greater chance of survival and reproduction.
Natural selection as a contributor to evolution is a gradual process, hence, takes place over generations.
Therefore, the true statement about natural selection is that natural selection usually causes a species to change gradually.
Learn more about natural selection at: brainly.com/question/9830102
Contact forces only work by pushing.
Contact forces only work by pulling.
Contact forces require the physical contact between objects.
Contact forces work between two objects that do not touch.
In physics, a contact force is a force that acts at the point of contact between two objects, in contrast to body forces. Contact forces are described by Newton's laws of motion, as with all other forces in dynamics. Contact force is the force in which an object comes in contact with another object.
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The artist had drew her sketches with a charcoal pencil.
B.
The artist had drawn her sketches with a charcoal pencil.
C.
The artist drew her sketches with a charcoal pencil.
D.
The artist is drawing her sketches with a charcoal pencil.