Answer:
A. Water
Explanation:
Van Helmont concluded that most of the mass the plant gained had come from water, because that was the only thing that he had added to the pot. Van Helmont's experiment accounts for the "hydrate," or water, portion of the carbohydrate produced by photosynthesis.
Answer:
A. Mendel observed green and yellow pea pods in a 3:1 ratio because the F1 generation was heterozygous.
Explanation:
The two true breeding plants in the parental population were homozygous (that is what true breeding means). Therefore, their cross would lead to all heterozygous offspring (see attached punnet square). Green is the dominant characteristic, so all F1 plants had a green phenotype, but Gg genotype.
The F1 cross would therefore be Gg x Gg. See attached punnet square.
The genotypes in the F2 generation are 1 GG: 2 Gg: 1 gg 1
Therefore, the phenotypic ratio is 3 green pea pods (Gg or GG): 1 yellow (gg)
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The State of California uses a mechanism known as "NOTS" to rehabilitate chronic violators of driving laws. The Negligent Operator Treatment System (NOTS) is based on negligent operator points and consists of a computer-generated series of warning letters and progressive sanctions against the driving privilege.
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