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
PSYCHO15rus [73]
3 years ago
12

What enables Dna to have so many variations with only 4 chemicals?

Chemistry
1 answer:
elena-s [515]3 years ago
5 0
There are many combinations because it is not all about the number of chemicals, but also about the size of the strand. The longer the strand the more combinations there are and more variations and various lengths provide various results.
You might be interested in
PLEASE HELP ITS DUE TODAY
dimulka [17.4K]

Answer:

2nd one and last one

Explanation:

im just that smart

8 0
3 years ago
Read 2 more answers
Given the balanced equation what is the reaction ?
VMariaS [17]

This is a double replacement reaction; the ions switch twice.

3 0
3 years ago
The sodium salt, NaA, of a weak acid is dissolved in water; no other substance is added. Which of these statements (to a close a
ddd [48]

Answer:

Your question is somewhat poorly worded, even so what I can contribute is the statement is false, since the salt is sodium chloride, where its severe chemical formula NaCl, is a SALT not an acid and if it dissolves in water, seriously the solute of a solution, where water plays the role of the solvent

Explanation:

Sodium chloride is a binary salt, very easy to dissolve in water, it is also called the famous table salt, since it can be ingested in food even though it is not so recommended against high blood pressure conditions.

8 0
3 years ago
1. Complete the reaction illustrating the hydration reaction of a strong electrolyte CaCl2​
makkiz [27]

Answer:

CaCl₂(s) ⟶ Ca²⁺(aq) + 2Cl⁻(aq)

Explanation:

When the calcium chloride dissolves. the calcium and chloride ions leave the surface of the solid and go into solution as hydrated ions.

8 0
3 years ago
How are new kinds of matter formed in a chemial change?
shtirl [24]
Because the reactants react with each other and chemically react to produce a different product like with fire when it reacts with the wood it burns and the product left behind is a new different substance from the reactants in this case the product is ash
7 0
3 years ago
Read 2 more answers
Other questions:
  • . In a titration, a 25.0 mL sample of 0.150 M HCl is neutralized with 44.45 mL of Ba(OH)2. a. Write the balanced molecular equat
    15·1 answer
  • Balance the following equation by inspection: <br> Cu + HNO3 --&gt; Cu(NO3)2 + H2O +NO
    12·2 answers
  • Red cabbage is an organic indicator for acids and bases. In the pictures above, which test tube(s) may have ammonia dissolved in
    5·2 answers
  • A student dissolves 0.0688 mol of sodium hydroxide in water to make a 0.250 L solution. What is the molarity of the solution?
    13·1 answer
  • How many liters of space are in 4.00x10^22 of O2 occupy at STP
    11·1 answer
  • Pls help solving question (d)!!
    7·1 answer
  • Which example best demonstrates the relationship between temperature and pressure? bubbles forming in dough when it is heated bu
    14·1 answer
  • Explain why clouds are generally observed to form only in the troposphere?
    8·2 answers
  • For the following reaction, calculate how many moles of each product are formed when 4.05 g of water is used.
    11·1 answer
  • The concentration of hydronium ions is greater than 1 x 10^−7 for acidic solutions. True False
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!