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IrinaVladis [17]
3 years ago
13

The X-ray crystallography data suggested DNA is double stranded and has a uniform diameter. These observations can be used to ru

le out base pairing between two of the same nucleotide because ________.
Biology
1 answer:
Brut [27]3 years ago
4 0

Answer:

an A- A pair is wider than a CC pair.

Explanation:

One of the great scientists that worked on how the structure of Deoxyribonucleic acid is is the chemist called Rosalind Franklin. The Deoxyribonucleic acid can be divide into three main, namely: the nitrogen base[ that is the adenine, guanine, cytosine and the thymine], the phosphate and the deoxyribose.

From Franklin's work, it was shown that the Deoxyribonucleic acid is a structure composing of double helix with both having the adenine, guanine, cytosine and the thymine. The diameter will not be the same because there is the case of Adenine- Adenine being wider than Cytosine- Cytosine.

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Which statement best describes the relationship between photosynthesis and cellular respiration?
KiRa [710]

Correct answer choice is :


<h2>A) Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon back into the atmosphere.</h2><h2 /><h2>Explanation:</h2><h2 />

Photosynthesis produces the glucose that is utilized in cellular respiration to make ATP. The glucose is then converted back into carbon dioxide, which is utilized in photosynthesis. While water is broken down to form oxygen through photosynthesis, in cellular respiration oxygen is blended with hydrogen to form water.

5 0
4 years ago
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Invasion and multiplication of bacteria in body tissues result in local cellular injury due to _______________.
dalvyx [7]
Invasion   and  multiplication   of    the  bacteria  in  body   tissues   result  in  local   cellular  injury  due  to
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3 0
3 years ago
What may happen if tectonic plates stopped moving?
ollegr [7]
Volcanic activity would increase
7 0
3 years ago
In a population of lizards, the allele that causes red eyes (R) is dominant, while the allele that causes green eyes is recessiv
zhenek [66]
The answer is 0.47 or 47%.

Let's first distinguish some terms and their frequencies.
R - the dominant allele that causes red eyes
r - the recessive allele that causes green eyes

Since R is dominant over r, lizards with at least one dominant R allele will have red eyes. Therefore, the genotypes and the phenotypes are as following:
genotypes - phenotypes
RR              - the lizards with red eyes
Rr               - the lizards with red eyes
rr                - the lizards with green eyes

Now, we will use some Hardy-Weinberg equations:
p + q = 1
p² + 2pq + q² = 1

where:
p - the frequency of dominant allele R
q - the frequency of recessive allele r
p² - the frequency of lizards with genotype RR
2pq - the frequency of lizards with genotype Rr
q² - the frequency of lizards with genotype <span>rr
</span>
We are interested in <span>the frequency p of the dominant R allele.
</span>So, we have the frequency (72%) of the lizards that have red eyes. However, lizards with genotypes RR and Rr will have red eyes. Since their frequencies are p² and 2pq, respectively, we have:
p² and 2pq = 72% = 72/100 = 0.72

Now, use this in the equation p² + 2pq + q² = 1:
0.72 + q² = 1
q² = 1 - 0.72 = 0.28

From here, we will calculate q and later p using the formula p + q = 1:
q² = 0.28
q = √0.28 = 0.53

p + q = 1
p + 0.53 = 1
p = 1 - 0.53
p = 0.47
5 0
3 years ago
Read 2 more answers
Why does blood pressure in both arms differ
Alika [10]

Explanation:

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7 0
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