1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sdas [7]
3 years ago
11

In an analysis of the nucleotide composition of a molecule of DNA, which of the following combinations of base pairs will be fou

nd?
A) A+C=G+T
B) A=G and C=T
C) A=C
D) G+C=T+A
Biology
2 answers:
Naily [24]3 years ago
6 0

Answer: The correct answer is A) A+C=G+T

According to Watson and Crick base pairing-

In a double stranded DNA molecule, Adenine pairs with Thymine and Guanine pairs with Cytosine. This means that number of Adenine in one strand is equal to the number of thymine in the complementary DNA strand. Similarly, the number of Cytosine in one strand is equal to the number of Guanine in the complementary strand.

Thus, the total number of Adenine and Cytosine in one strand becomes equal to the total number of Guanine and Thymine in the complementary strand.

This can be mathematically written as- A+C = G+T

Thus, option A) is the right answer.


STALIN [3.7K]3 years ago
5 0

The answer is A. A + C = G + T

<h2>Further Explanation </h2>

DNA is an acronym for deoxyribonucleic acid or in Indonesian it is also called deoxyribonucleic acid. Its chemical structure is in the form of complex macromolecules consisting of 3 kinds of molecules, namely:

  • pentose sugar (deoxyribose)
  • phosphoric acid
  • nitrogen base.

The main role of DNA molecules is the long-term storage of information. DNA is often compared to a set of blueprints, recipes, or codes, because it contains the instructions needed to build other components of cells, such as proteins and RNA molecules.

James Dewey Watson (born in Chicago, April 6, 1928) is an American molecular biologist known primarily as one of the discoverers of the structure of DNA molecules. He received the Nobel Prize in Medicine with Francis Crick and Maurice Wilkins in 1962 for discovering the structure of nucleic acid molecules and their means for transferring information.

Francis Harry Compton Crick (born in Northampton, England, June 8, 1916 - died in San Diego, California, United States, July 28, 2004, at the age of 88) is a British biologist. In 1949 Francis obtained a Ph.D. at Cambridge University. In the early 1950s together with James Dewey Watson, he discovered the substance of the form of DNA. For his discovery, he won the Nobel Prize in Physiology or Medicine with Watson and M.H.F. Wilkins.

Discovery of the Structure of Human DNA

James Watson at that time was a young scientist. This Chicago-born man began working at the Cavendish Cambridge Laboratory in 1951. Meanwhile, Francis Crick is a physics graduate from University College London and has helped develop radar and magnetic mines during World War II. Crick also wrote a dissertation on the crystallography of X-ray hemoglobin when Watson began joining the laboratory. Inspired by the success of other scientists working with molecular models, Watson and Crick quickly collected several DNA models and tried to combine all the evidence they could gather. They used photographs from previous X-ray scientists and used microscopes. The result, they managed to find the structure of human DNA. Based on the crystal photo from Franklin, Crick and Watson solidified their theory of the structure of DNA, which states that the structure of DNA is in the form of a double-helix, or double spiral, twisting. The twisted spiral is a set of gene codes called 'Adenine / Adenine' (A), 'Thymine / Thiamine' (T), 'Guanine / Guanine' (G), and 'Cytosine / Cytosine' (C). They published their theory in the Journal of Nature, in 1953.

Learn more

definition of DNA brainly.com/question/11572882

Discovery of the Structure of Human DNA brainly.com/question/11572882

Details

Grade: College

Subject: Biology

keywords: DNA

You might be interested in
Which one of these algae used to prepare a medium for bacterial culture
amid [387]
I think the best medium is agar. It is a jelly-like substance that is obtained from algae, and is used to culture small organisms such as microorganisms and bacteria. 

Hope this helps. :)
4 0
3 years ago
What type of adaptation is tobogganing? <br> a. structural<br> b. behavioral<br> c. functional
sergey [27]

Answer:

C

Explanation:

A toboggan is a simple sled traditionally used by children. It is well adapted to sliding down open slopes, where its large surface rides easily on loose, fluffy snow.

3 0
2 years ago
What happens when a stationary front passes?
weqwewe [10]

Answer:

_________

Explanation:

Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

7 0
3 years ago
A retreating glacier forms an are of rocky material. When primary
stiks02 [169]
B lichens is the answer
7 0
3 years ago
Read 2 more answers
Is Flower size is a structural adaptation?
Feliz [49]

Answer:

yes

Explanation:

8 0
3 years ago
Other questions:
  • Which sentence is a run-on?
    15·2 answers
  • Type of joint found in the shoulder and hip?
    7·2 answers
  • What cross will result in a half dominant and half recessive phenotype offspring?
    12·1 answer
  • Open dumping in landfills was outlawed in many states because of?
    12·1 answer
  • Please Answer!
    15·2 answers
  • 5. What is the PDQ? What is it used for?
    7·1 answer
  • Which of the following steps is not likely to take place during cellular respiration? (4 points)
    12·1 answer
  • Which model best shows the movement of oxygen during photosynthesis?
    15·2 answers
  • I WILL GIVE BRAINLIEST!!
    9·1 answer
  • What are all the parts of a protist cell.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!