Answer:
A. Rational.
Explanation:
The rational brain division of the cerebrum connotes a person's capacity to thoroughly consider numerous chances. This piece of the cerebrum is related with the Cerebral Cortex, with its essential duties; thinking capacity, perception and memory revisionist device work, language, social capacities and critical thinking.
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Torso trauma is an injury involving the chest and abdomen.
16; D. all of the above
explanation; the gluteus maximus works with the semitendinosus and semimembranosus muscles, extending the thigh. it is, indeed, located in the buttocks, and can be used as an injection site.
17; D. both B and C
explanation; the latissimus dorsi collaborates with the teres major and pectoralis major to adduct and medially rotate the arm at it’s glenohumeral joint.
Answer:
Only the extracts from heat-killed cells treated with RNase are unable to transform nonvirulent bacteria into virulent bacteria.
Explanation:
The experiment by Avery, McCarty and MacLeod aimed to identify Griffith's "transforming principle," which is a principle that explains how transformation is a way of recombining, exchanging, or transferring genetic information between organisms or from one organism to another. For this, they used cell that were heat inactivated and purified the transforming principle of these cells.
The purified cells did not give positive results in the tests done by the scientists, but they presented transformants very similar to the DNA. However, Avery suspected that the result should be reinterpreted and that the molecule was not a DNA. This is because RNA degrading enzymes had no effect on the transforming principle and only RNase-treated heat-killed cell extracts are unable to transform non-virulent bacteria into virulent bacteria.