Answer:
There are three types of DNA Mutations: base substitutions, deletions and insertions. Single base substitutions are called point mutations, recall the point mutation Glu -----> Val which causes sickle-cell disease. Point mutations are the most common type of mutation and there are two types.
Explanation:
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Answer:
Cardiac muscle.
Explanation:
Cardiac muscle is also known as heart muscle. These muscles regulate the proper working and functioning of the heart.
Cardiac muscles are involuntary muscles and show striations under the microscope. These muscles are uninucleate and connected by the intercalated disc. Cardiac muscles are branched so that each cardiac cells may attach with atleast with or four other cardiac cells.
Thus, the correct answer is option (A).
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The birth rate and the infant mortality rate
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An excess of consuming salty foods, and/or excess sweating. Water content in the blood is controlled by the Anti-Diuretic Hormone (ADH)
Amphibia,
Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The
correct answer between all the choices given is the second choice. I am hoping
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