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KonstantinChe [14]
3 years ago
14

Which does not indicate a chemical change has occurred:

Biology
2 answers:
melamori03 [73]3 years ago
8 0

Answer:

Let's see one by one :

  • Change of color - Yes, it's a chemical change.
  • Smell is produced - Chemical change occured.
  • Heat is produced - Of course, Exothermic reaction.
  • Light is produced - nah! Here's the mistake, it's not showing anything chemically occurring.
  • Gas and solid produced - Shows Chemical reaction.

<h3>So, your answer would be <em>Light is produced. </em></h3>
Zina [86]3 years ago
5 0

Answer:

Light is produced

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During the process of photosynthesis,
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Answer:

d. less than 100% of the energy captured from sunlight is transformed into potential energy in the form of a hydrogen ion gradient and then into potential energy in the form of covalent bonds

Explanation:

Photosynthesis is process utilized by plants, several bacteria and protists to convert the light energy to chemical energy. So they utilize the photosynthesis as the powerhouse for the energy production. Heterotrophs like human that cannot synthesize their own food, use this converted form of energy by autotrophs.

During the light reaction of photosynthesis the photons from light are absorbed by photosystem I and II. These photons excites the electrons which flow through the electron transport chain from higher potential to lower potential. These electrons release the energy while moving from higher potential to lower potential which is utilized by H+ pump to pump the H+ to lumen of plastids from stroma and of course not the 100% energy is utilized some of the energy dissipates. . So this process causes the accumulation of high potential H+ ions across the membrane. These H+ ions are utilized for the production of ATP by ATP synthase complex when they flow back to lower potential across the membrane through ATP synthase complex.

The ATP and NADPH produced from light reaction are utilized to combine carbon molecules during dark reaction. The covalent bond is used to combine the carbon molecules and we know that combining carbon molecules stores energy in the form of covalent bond.

8 0
3 years ago
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Why do polygenic characteristics have many phenotypes?
chubhunter [2.5K]

Answer:

The involvement of more than two genes.

Explanation:

The polygenic characteristics have many phenotypes because more than two genes governs the phenotype of individual organism. The single gene contains a pair of alleles that codes for two phenotype and two genes will code for 4 phenotype. Thus, more than two genes for example, three genes will have six phenotypes.

The skin color and height are polygenic characterstics in humans.

5 0
4 years ago
The digestive organ responsible for elimination of waste is the
Orlov [11]
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I would say the large intestine.
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3 years ago
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4 years ago
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creativ13 [48]

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hope this helps!!!

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3 years ago
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