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LiRa [457]
3 years ago
13

Which four elements are most commonly found in nucleic acids

Biology
2 answers:
omeli [17]3 years ago
5 0

Answer:

carbon, hydrogen, oxygen, nitrogen. Hope this helps ->-

Explanation:

nekit [7.7K]3 years ago
5 0
Carbon , hydrogen, oxygen and nitrogen

you can remember them by coding CHON
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What is the medical term for swelling with mucus under the skin? lom?
alina1380 [7]
Hey there :)

It is called myxedema

It is the disposition of mucus polysaccharides in the dermis resulting in swelling of the affected area

Myx (mucus) + edema (swelling)
5 0
3 years ago
If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
Likurg_2 [28]

Answer:

10%

Explanation:

Chargaff postulated the complementary base pairing rule, where he stated that in the DNA molecule, Adenine (A) will always pair with Thymine (T) and Guanine (G) with Cytosine (C) i.e. A-T, G-C

Chargaff stated that the concentration of purines (Adenine and Guanine) is always equal to that of pyrimidines (Thymine and Cytosine) i.e. {A} + {G} = {C} + {T}

These equal concentration equals 100% in totality i.e. A+G+C+T= 100%

Thymine pairs with Adenine, if there is 40% of Thymine in the DNA molecule, it means there will be 40% of Adenine also. 40 + 40 = 80%. This leaves us with 100-80 = 20% for Guanine and Cytosine.

Since there will be an equal amount of Guanine and Cytosine too, Guanine will therefore, be 20/2 = 10%.

That is, 10% Guanine, 10% Cytosine.

8 0
2 years ago
Features that are homologous are similar due to __________.
kkurt [141]

<span>The answer is shared an evolutionary history. Homologous structures evolved from the same ancestor structure. An example of homologous features is the four limbs of all tetrapods. In birds, the forelimbs evolved into wings while in crocodiles they still used for walking, and in humans, they evolved into hands. </span>






3 0
2 years ago
Most animals on earth are __________ ( vertebrates or invertebrates ).
andre [41]

Answer:

vertebrates

Explanation:

8 0
2 years ago
Which of the following is not a typical source of chemical weathering?
qaws [65]
The answer is probably air.
5 0
3 years ago
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