Ateacher makes the analogy that stem cell research did for medicine what the internet did for communication. what is meant by this analogy? a. stem cells allow for communication between cells. b. stem cells were a huge leap in technology that opened many doors. c. stem cells were a setback in technology that restricted opportunities. d. stem cell information is stored in databases online.

The correct statement is that stem cells were a huge leap in technology that opened many doors.

Stem cell technology is a briskly evolving branch, which amalgamates the efforts of geneticists, cell biologists, and clinicians and provides hope of effective treatment for a broad kind of non-malignant and malignant disorders.

The tendency of stem cells to involve into the tissue cytoarchitecture under the influence of the host microenvironment and developmental cues makes them ideal for cell replacement therapy.

The answer is B

Explanation:

answer and explanation;

volcanic rocks are igneous rocks which form from lava, molten rock which has been thrust out of a volcano onto the surface of a rocky body such as an asteroid, planet, or dwarf planet.  

plutonic rocks are igneous rocks which form from subterranean chambers of molten rock or magma. plutonic rocks make up the base of continental crust as well as oceanic crust. their slow rate of formation causes them to be coarse grained since there is plenty of time for large crystals to form before the magma solidifies into rock.

the textural difference is that plutonic rocks are more coarse grained than volcanic rocks. plutonic rocks are coarse grained while volcanic are fine grained ; glassey or fragmental. since fine and coarse are adjectives the decision as to whether a rock is fine or coarse grained is generally made on the bases of whether or not the individual crystals can be seen in most if the rock.