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kolbaska11 [484]
2 years ago
7

can you account for any difference in the appearance between the bean seed expised to sunlight and the bean seed in the dark?​

Biology
1 answer:
irina [24]2 years ago
3 0

Explanation:

plants deprived of light will lose their color and die . The shoots exposed to "limited / no " sunlight had a yellow / white color due to the fact that photosynthesis could not occur . The lack of sunlight stunted photosynthesis and therefore the sprouts where not able to produce chlorophyll needed to create green color

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Reactive oxygen species (ROS) are unstable, or reactive, compounds that result from the partial reduction of oxygen. ROS can cau
soldier1979 [14.2K]

Answer:

OH, H2O2 and O−2

Explanation:

Reactive oxygen species (ROS) can be defined as highly reactive chemical compounds formed from molecular oxygen (O2). ROS are generated as a normal product of cellular metabolism, and also as a response to different environmental/internal cellular stimuli (e.g., cytokines, xenobiotics, pathogenic invasion). For example, hydroxyl radicals (·OH) are a type of ROS generated in the mitochondria which are capable of inducing oxidative stress in different cells and also trigger chronic inflammation. Moreover, hydrogen peroxide (H2O2) molecules represent another type of ROS which are produced during the stereoselective deamination of amino acids, i.e., the building blocks of proteins. These molecules (H2O2) exhibit toxic effects on the cell (e.g., DNA damage). Finally, singlet oxygen (1O2) is an excited state of molecular oxygen (O2) that is generated during photosynthesis in the photosystem II (PSII) of chloroplasts.

7 0
3 years ago
Fossil fuels can be burned to power vehicles like cars, but they can also be used to:
Musya8 [376]

Explanation:

Generate electricity Fossil fuels can be burned to power vehicles like cars, but they can also be used to:generate electricity

5 0
2 years ago
Read 2 more answers
Water vapor is important because it helps air hold: PLEASE HELP THIS IS A QUIZ. and please dont answer if u dont know the answer
neonofarm [45]

Answer: D. Heat

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7 0
3 years ago
Beadle and Tatum used which of the following organisms to support their one gene - one enzyme concept?
Rama09 [41]

Answer:

Neurospora.

Explanation:

Beadle and Tatum experiment shows one gene one enzyme hypothesis. According to this, a single enzyme is encoded by each gene. This idea is not accepted in today's world.

Beadle and Tatum performed experiment on the neurospora. They chosed neurospora in their experiment because neurospora shows the fast life cycle with alternation of generation. The genetic experiments can be easily performed on neurospora.

Thus, the correct answer is option (c).

8 0
3 years ago
Would trout dna be more similar to bass dna or deer dna?Explain why using science vocabulary
olasank [31]
It would be similar to bass dna since trout is another kind of fish like bass. They come from the same family group so it would be more similar to it.
8 0
3 years ago
Read 2 more answers
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