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3 years ago

Is there DNA in the stucture of prokryotic

Chemistry

2 answers:

azamat3 years ago

5 0

Answer:

i hope this helped

They have no true nucleus as the DNA is not contained within a membrane or separated from the rest of the cell, but is coiled up in a region of the cytoplasm called the nucleoid. Prokaryotic organisms have varying cell shapes.

Explanation:

Jet001 [13]3 years ago

3 0

Answer:

Explanation:

The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane. Many prokaryotes also carry small, circular DNA molecules called plasmids, which are distinct from the chromosomal DNA and can provide genetic advantages in specific environments.

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Iron is extracted from its ore (hematite) in the blast furnace. Which gas is produced as a waste product?

Diano4ka-milaya [45]

Answer:

CO2

Explanation:

CO2 or carbon dioxide is produced when iron is extracted from its ore. Carbon monoxide Co is used as reducing agent in iron extraction. In this reaction iron ore is reduced to iron and CO is oxidized to CO2 or carbon dioxide which is released in the process. There extraction of iron is redox reaction.

4 0

3 years ago

Meteorologists use weather balloons to carry weather instruments high into the atmosphere. When it is first released at Earth’s

inessss [21]

The pressure of the gas used in the weather balloon increases to expand the balloon.

Explanation:

Weather balloons contain the boxes where the weather measurement instruments are present that is attached to the large balloon.
Weather balloon uses gases like Hydrogen or Helium. When the weather balloon rises to the atmosphere, the air pressure decreases. This leads to the increase in the pressure of hydrogen or Helium gas used in the weather balloon. This expands the balloon.
The gas particles hits the balloon container and generates the pressure. The increase of pressure thus helps the weather balloon to move in a constant speed through the atmosphere.

8 0

4 years ago

When HBr combines with water, it produces H3O+ and Br- ions. This shows that HBr is a base. true false

ELEN [110]

HBr is a strong acid

False

6 0

3 years ago

Read 2 more answers

I need an answer now please asap and you will me marked brainiest please it's missing I need it now.

valentina_108 [34]

Answer:

C. NaHCO3 → Na2CO3 + H2O + CO2

Explanation:

» For a balanced equation, the number of atoms of reactants and products must be equal.

» In equation C, the reactant side has one sodium atom while ptoduct side has 2 sodium atoms.

» The balanced equations mus be;

${ \rm{ 2NaHCO _{3(aq)} → Na _{2}CO _{3(s)}+ H _{2} O _{(l)} + }CO _{2(g)} }$

7 0

2 years ago

Read 2 more answers

Identify and explain the process shown below. Name any two products obtained during this process and state their uses.

lapo4ka [179]

Answer:

This is heating limestone

Explanation:

Process:

limestone is heated strongly. After a while, the limestone begins to go cloudy. Test tube is heated too much that it is beginning to soften it. After removing limewater, test tube cools down, the pressure in the test tube drops and air pressure pushes the cold the liquid into the hot test tube with terrible result.

Products:

Limestone is also known as calcium carbonate and Limewater

Click on the link provided to show the video

https://youtu.be/RLL5rT_DeKc

or search heating calcium carbonate

you will find a video

5 0

3 years ago