Answer:
The brick
The brick has the greater mass, therefore has the greater density. The
particles in a brick are more tightly packed together. Density is an
indication of how tightly packed the particles in the substance are
The properties of gamma which paved its way to the area of medicine are having high energy of all the waves in the spectrum. With this they can penetrate into almost all surfaces. One application would be its use in killing cancer cells and to examine the internals of the body.
Answer:
The correct answer is option b. "streamlined bodies in dolphins and ichthyosaurs".
Explanation:
An homoplasy is defined as a trait that is shared between two different species but that they do not originate from a common ancestor. An example of homoplasy is the streamlined bodies in dolphins and ichthyosaurs. Ichthyosaurs were reptiles, not mammals like modern dolphins, therefore their similar streamlined bodies evolved separately.
Answer:
The replication (exact duplication) of DNA begins with the unwinding of the double helix.
Explanation:
DNA replication is the first step of the central dogma of molecular biology which deals with the formation of 2 daughter DNA molecules from a single parental DNA.
The replcation begin with unwinding of DNA double helix by the breakage of hydrogen bonds between the complementary base pairs resulting in the formation of replication fork.
This incident occur by the catalytic activity of Helicase or dna B protein.
