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anygoal [31]
3 years ago
7

Did we come from fish

Biology
1 answer:
makkiz [27]3 years ago
6 0

Answer:

no

Explanation:

,................

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2. If 10% of the bases in a molecule of DNA are adenine, what is the ratio of adenine to guanine in the same
sertanlavr [38]

Answer: Option D) 1:4

Explanation:

Recall that the sum of all nitrogenous bases in the DNA nucleotide is equal to 100%. And specific base pairings of Adenine to Thymine (A=T), and Cytosine to Guanine (C=G) must be equal.

So, the percentage of Adenine equal thymine, and that of cytosine equals guanine.

Now, A + T + C + G = 100%

So, if adenine makes up 10% of the DNA nucleotides, then thymine is also 10%.

Then, 10% + 10% + C + G = 100%

20% + C + G = 100%

C + G = 100% - 20% = 80%

Thus, divide 80% by 2 to obtain the individual percentage of cytosine and guanine. Each will take 40%

Ratio Adenine to Guanine is 10% to 40%

or 1:4 in simplest form

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Polar bears give birth and hunt on sea ice. Which of the following would help polar bears survive during the melting of Arctic i
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Migrate inland to search for different food sources

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How did the scientists explain the relationship between the colors observed and the structure of the atom?
slega [8]
Every one color match up to light of a certain wavelength produced by the atom when an electron marks a changeover among permissible orbitals. Each color signifies a jump of the electron with resultant emission of photons of certain energy conforming to the vertical colored stripes. The scientist can assess these energies by means of einstein equation for the energy of a photon which is E = h. v where v is the frequency of the emitted photon that can be assessed by means of the wavelength and h is a constant. Then it can recreate the jumps and accordingly figure out the orbitals and perhaps the map of the structure of the atom. 
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Which trait is determined by genetics alone ? Skin color athletic ability blood type big muscles
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Your blood type is genetic 
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4. Analyze what would happen to this ecosystem if one of the primary consumers was removed from the ecosystem?
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Answer:

Due to a primary consumer being taken out there will be more producers and less secondary consumers because of the new tertiary consumer eating them and the lack of food for the secondary.

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