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masha68 [24]
3 years ago
14

Are chloroplasts found in most plant cells explain

Biology
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

Yes.

Explanation:

Yes, they are necessary for photosynthesis.

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In the pyramid of numbers which trophic level contains the most organisms?
Blizzard [7]
Because tropical levels used to be broken because temperatures hasn't varied in the years and history of global temperatures and history.

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3 years ago
A man who smokes heavily has developed lung cancer. The tobacco smoke has caused mutations in some of the cells in his lungs, ma
Naya [18.7K]

Answer:

The correct answer is: B. If he inherited a mutation which made him more susceptible to lung cancer, it may have been present in some of the gametes he produced and passed to his children.

Explanation:

  • The inheritance of genes from the parents to the offspring is mediated by the germinal cells or sex cells or gametes of the parents.
  • The genetic material present in the somatic cells of the parents are not transmitted to the offspring.
  • In the given case, the man who develops lung cancer generates some tobacco smoke induced mutations in some of the cells of his lungs.
  • The cells of the lungs are type up of somatic cells. Hence, any mutations in the genome of these cells will never be transmitted to the offspring.
  • Therefore, the children of the man will never become prone to develop lung cancer due to development of mutations in the lung cells of the man.
  • However, if the man has inherited any mutation from his parents which can increase the risk of development of lung cancer, then these mutations will be present in his germinal cells and also in some of his gametes.
  • Now, if a child is born due to the fusion of the the maternal gamete with one of these mutated paternal gametes, there is an increased chance of developing lung cancer in the child, irrespective of the fact whether he is a smoker or a non-smoker.

3 0
3 years ago
Do humans have the right to impact the environment as much as<br> they do? Why why not?
DochEvi [55]

Answer:

yes

Explanation:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

7 0
3 years ago
The structure of a substrate P strongly resembles substrate Q. In an experiment, By mistake P was used instead of Q as a substra
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<h3><u>Answer;</u></h3>

C) P and Q have similar binding properties

<h3><u>Explanation;</u></h3>
  • <u><em>Enzymes are biological catalysts that speeds up chemical reactions. Substrates are substances that are acted on by an enzyme to form a product.</em></u>
  • <u><em>An enzyme catalyzed reaction occurs when the substrate binds to the active site of an enzyme to form and enzyme-substrate complex. </em></u>
  • <em><u>Substrate P and Q are structurally similar which means they are in a position of binding and fitting in the active site of an enzyme. The strong structural similarity means that the binding properties of these two different substrates may be similar. </u></em>
  • <em><u>Formation of similar products or results when acted upon by an enzyme mean they are similar in terms of their binding properties, and thus the production of similar product.</u></em>
8 0
3 years ago
Why are parasites attracted to flood waters?
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Answer:

I will get back to your question in a moment pls wait I will answer it thankyou for your time

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