The answer is Muscle Spasm. Muscle spasm associated with low
back pain or cervical whiplash, immobilize joint or part of body, and decrease
a fracture or dislocation. It is a kind of irritation of tissues and protective
response to injury and fracture; muscle spasm may displace a nondisplaced
fracture or prevent it from reducing spontaneously.
Answer and Explanation:
According to this theory, the young of a species may inherit certain physical characteristics which their parents acquired in the course of their daily lives. According to Lamarck, modern giraffes evolved from short-necked ancestors. The long necks develop as a result of stretching to reach the leaves of tall trees. The offspring of these giraffes inherited the long necks.
Lamarck's assumption of acquisition of characteristics by individuals in the course of their lifetimes is true. However, the passing of these traits to their offspring is not true. Acquired characteristics do not cause any alteration whatsoever in the hereditary information contained in the chromosomes. This theory is therefore not valid.
To answer this question, subtract from the total population of 1000 the homozygous dominant (DD) frogs of 280 and the homozygous recessive (dd) frogs of 220, and you are left with 500 frogs that by default are <span>heterozygotes (dD). The frequency of these frogs would be 500/1000 = 0.5</span>
-All signal transduction cascades are shut down immediately so as to prevent the cell from mounting a response.
-Cells are unable to respond quickly to hormones, and therefore signal transduction cascades always occur over a long time.
-Cells have to be able to function alone, because they are unable to work together in a coordinated fashion.
-Cells often have to respond very quickly to changes in their internal and external environments.
One example would be freezing water in cracks of a sandstone sidewalk
