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andrey2020 [161]
3 years ago
7

Use specific examples from Joseph Priestley’s experiment to explain the relationship between what he observed and what he inferr

ed.
Biology
2 answers:
drek231 [11]3 years ago
6 0

Joseph Priestly observed that a candle alone in a jar did not stay lit for long.

Priestly observed that adding a plant to the jar caused the candle to stay lit longer.

Priestly inferred that plants give off oxygen during photosynthesis, providing the oxygen needed for the candle to burn.

Priestly inferred that the burning candle gave off carbon dioxide, which was used by the plant.

Temka [501]3 years ago
4 0
Joseph Priestley is an 18th century natural philosopher who is famous in his experiments in electricity, air, optics and soda water. His works are qualitative rather than quantitative because he does not concern himself with theories but practical applications.
His experiment in electricity through replication of other experiments lead to the publication of his book known as History of Electricity. He observed that electricity conducts through certain materials like coal and that electricity flow from conductors to non-conductors.With this experiments he concluded that conductivity is related to chemical property.
Another experiment that lead to a famous discovery is placing a mice in closed container with mercuric oxide. He concluded that the mice survived sometime because of common air-oxygen. He then  relate oxygen in respiration and its use in the blood.

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Transcribe the following DNA strand into a mRNA transcript:
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Answer:

C

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3 years ago
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The plant below is purebred for height tall. Write the alleles of this plant. In any cross for height, what kind of Offspring wi
Tomtit [17]

Answer:

TT

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Explanation:

If an organism is purebred, that means it is homozygous. That means, it contains two copies of the same allele (trait) at this particular gene. Lets denote the tall allele as T. That means the plant is TT, and purebred tall.

No matter what genotype (i.e. what 2 alleles) another plant has, the offspring will always be tall. That is because it will always inherit one T from the TT parent. Even if we cross it to a tt plant, all the offspring would be Tt. They would be heterozygous, but they would be tall.

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3 years ago
PLZZ HELP!!
Troyanec [42]

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3 0
3 years ago
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Write a few sentences comparing the number of male and female licensed drivers in each age group
PolarNik [594]

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Here it can be observed that the female drivers are greater in number between the age group of 20 to 59, while the male drivers are more in numbers for the individuals below the age 20 and above the age 60.

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Which color of light does chlorophyll b absorb more of than any other color?
KengaRu [80]

blue......................

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