Answer:
HERBACEOUS PLANTS• Support is provided by the turgidity of parenchyma & collenchyma cells & xylem tissues. Parenchyma cells are filled with water turgid• Collenchyma cells have unevenly thickened cellulose walls which provide support in stem & the midrib of the leaves.
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He got to that conclusion like this: Regarding qualitative tests, he saw that no protein was present but that DNA was present. The chemical analysis showed that phosphorus was present in DNA not in protein. Talking about enzyme tests he saw that transformation did not happen when they added enzymes to the DNA.
Explanation:
Qualitative chemical and catalyst tests helped Avery determine DNA because the remodeling principle by conducting a series of tests to search out if the remodeling principle was DNA or a macromolecule and therefore the result's that no macromolecule was present however that DNA was present.
Although varied scientists engaged in diplococcus analysis throughout the primary 1/2 the 20th century, 2 of those researchers vie a particularly vital role within the course of events that junction rectifier to the invention of deoxyribonucleic acid because of the hereditary material. One in all these people was Oswald Avery.
Replicate in my own words means to copy something, to have two exact same forms.
It is imply to cold in the North for tropical plants to grow. A tropical plant needs constant warmth, but the Northern United States has fluctuations between extreme cold and extreme heat.