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snow_lady [41]
3 years ago
14

Scientists have evidence that meteorites have come from which option of locations?

Biology
1 answer:
Step2247 [10]3 years ago
8 0

Mars and Moon are the locations from which meteorites would come.

Option (c);

<u>EXPLANATION: </u>

  • The meteorites found on Earth look like martian crystal rocks.
  • These might be first ejected into space during a collision of an asteroidal object with Moon or Mars and then it got into the Earth orbit because of the force produced during the collision.
  • There are around seventy meteorites recognised to have come from the planet Mars till up to the present date.
  • There are three types of meteorites such as Martian meteorites and a sample of two lunar meteorites.
  • To identify the origin of the meteorite, the scientist tries to identify the type of rock followed by analysing the chemical composition and then try to identify its age.
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2 years ago
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When comparing the yield of ATP from the different stages of cellular respiration, which produces the greatest number of ATP
REY [17]

Answer:

The correct answer is - electron transport system.

Explanation:

There are 3 main stages of cellular respiration (aerobic) that are Glycolysis, the Kreb's Cycle and the ETS or Electron Transport Chain. The formation of energy in ATPare as follows:

Glycolysis - glucose > 2 Pyretic Acid Molecules =>2 ATP and Hydrogen

The Krebs Cycle - Citric Acid (a derivative of Pyruvic Acid) > 2 ATP in 4 cycles and  Hydrogen, carbon dioxide and water.

The Electron Transport Chain > electron carrying Hydrogens > releases the energy as 4 ATP and water

Thus, the correct answer is - The Electron Transport Chain is the stage that produces most of the ATP during cellular respiration.

4 0
2 years ago
In chickens, comb shape is determined by two independent genes (R and P). A walnut comb is produced when at least one dominant a
Aleksandr [31]

Answer:

Option B, Rr pp × rr Pp

Explanation:

Given

Walnut Comb is produces when  one dominant allele R is present at one gene locus and at least one dominant allele P is present at a second gene locus - R* P*

Rose Comb - at least one dominant allele is present at the first locus and two recessive alleles are present at the second locus - R* pp

Pea comb - two recessive alleles are present at the first locus and at least one dominant allele is present at the second  - rr P*

Single comb - two recessive alleles are present at the first and the second locus  - rrpp

Parent are rose combed and pea combed

For being rose genotype must be R* pp

and for being pea combed genotype must be rr P*

Rr pp x rr Pp

will  produce

Walnut comb  with genotype Rr Pp

Single comb  with genotype rrpp

and pea comb  with genotype rrPp

Hence, option B is correct

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so what's the question asking? does she want to know how much? or the necessary items?

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