Answer:
A = parietal labe | B = gyrus of the cerebrum | C = corpus callosum | D = frontal lobe
E = thalamus | F = hypothalamus | G = pituitary gland | H = midbrain
J = pons | K = medulla oblongata | L = cerebellum | M = transverse fissure | N = occipital lobe
Explanation:
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The location where a crime occur is called a crime scene. There are two types of crime scene, primary and secondary crime scenes. The primary crime scene refers to the place where the crime actually takes place. The secondary crime scene is to some extent related to the crime but it is not the original place of occurrence of the crime.
In the question given above, the primary crime scene is the lockers' room, where the thief took the car's key from. Information about the identity of the thief, such as finger prints can be obtained at the primary crime scene.
Question:All known organisms use genetic information to produce protein molecules via the same genetic code. This finding strongly supports the hypothesis that __________.
a) the earliest macromolecules probably arose when lightning struck an oxygen-free atmosphere
b) all organisms are descended from one or a few common ancestors
c) the genetic code readily evolves by natural selection
d) there's only one possible way to encode information in a macromolecule
Answer:
b) all organisms are descended from one or a few common ancestors
Explanation:
Protein synthesis occurs when the nucleotide sequence of the mRNA is read in the form of genetic codes. A specific genetic code specifies the same amino acid in all living beings. For example, the code "UUU" codes for phenylalanine in all the living beings irrespective of their species. This suggests that all the life forms have originated from one or few common ancestors and the genetic code has been preserved during the course of evolution of various species.
The medial cord is formed by the anterior division of the inferior trunk.
It contains portions of nerves C8-T1.
The medial cord is present in our neck and is a part of the brachial plexus. It is formed by the anterior division of the lower trunk. It is called the medial because it is medial to the axillary artery.
The medial cord leads to the formation of the medial pectoral nerve, medial cutaneous nerve of the arm, and medial cutaneous nerve of the forearm.
The nerves labeled as C refer to the nerves affecting the motor system in our neck and upper limb. Thus nerves from C8 work for the motor conventions of our upper limb and neck.
The nerves labeled as T are spread over our chest, shoulders, and hands. Thus, the nerve T1 works in the upper part of our body.
To learn more about cords and nerves,
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