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
Svetach [21]
3 years ago
11

How did James Watson and Francis Crick explain the DNA molecule’s consistent width?

Biology
1 answer:
Anna11 [10]3 years ago
5 0
<span>Two of the nitrogenous bases present in DNA (Guanine and Adenine) contain two rings and thus are much larger than the other two (Cytosine and Thymine), which have only one. Nitrogenous bases with two rings (such as G and A) are known as PURINES, whereas nitrogenous bases with a single ring (such as C and T) are known as PYRIMIDINES. A stable DNA structure is formed ONLY when the two strands are a constant distance apart which ONLY happens when a PURINE (G or A) on one strand is paired with a PYRIMIDINE (C or T) on the other strand. The strands would have to move much further apart to permit a purine to pair with another purine and would have to move much closer together to permit a pyrimidine to pair with a pyrimidine. (Source: https://www.amherst.edu/system/files/media/1536/ModGen_1C_TP.pdf )</span>
You might be interested in
Which statement best defines a protist?
Helga [31]
Protists obtain food in 3 ways. They produce their own organic molecules, ingest, and absorb.  Ingestive protists ingest food, or engulf bacteria. These protists extend their cell wall and cell membrane forming a food vacuole around the food item. Inside the food vacuole, enzymes digest the food. Absorptive protists on the other hand, absorb food molecules  across their cell membrane which takes place through diffusion. Absorptive protists play a key role in decomposition. They are considered as important decomposers. Major producers  like photosynthetic protists  use light energy to manufacture  their own food.<span>
</span>
8 0
4 years ago
When oxygen first was released in the early seas it combined with iron to form
Liono4ka [1.6K]
“D” would be the best answer choice for me.... not sure if it’s correct though
3 0
3 years ago
Read 2 more answers
Where are blobfish born?
exis [7]
The deap ocean, like close to the bottem...
5 0
3 years ago
What is the largest organ in your body?
slavikrds [6]

Answer:

On the inside of your body would be the Liver, overall would be the skin.

Explanation:

Look at scale images or medical diagrams and you will see.

please mark brainliest

8 0
2 years ago
I need an hypothisis on How does temperature change affect surface tension?
Dafna1 [17]

Hypothesis: I believe an increase in temperature would lead to a decrease in surface tension.

Here's why: As the temperature increases, the molecular interaction between the liquids molecules becomes weaker because the hydrogen bond is the main factor for association between two molecules. It is a very weak bond to begin with, so when the temperature increases, it just further weakens it.

4 0
3 years ago
Other questions:
  • Is it risky using hair spray as a flame thrower?
    8·2 answers
  • Why must the structures (organelles) inside a cell be close to the cell membrane?​
    7·1 answer
  • What are the examples of pond succession?
    13·1 answer
  • A tide is
    12·1 answer
  • Which of the following describes how background research helps in the
    13·1 answer
  • WILL GIVE BRAINLIEST - What has happened to the temperatures since the Ice age?
    10·2 answers
  • Which muscle is highlighted below?
    10·1 answer
  • Ex. 1=<br> Ex 2 =<br> Which example is law or theory:<br><br> EXAMPLE HOW YOU KNOW
    15·2 answers
  • Why is "blue cheese is better than cheddar cheese" not a good hypothesis?
    14·1 answer
  • The means by which a cell transports large molecules out of the cell is called
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!