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
WITCHER [35]
2 years ago
7

What organelle acts as a barrier of the cell? ​

Chemistry
2 answers:
olganol [36]2 years ago
6 0

Answer:

cell membrane

Explanation:

it controls what comes and goes out of a cell

leva [86]2 years ago
3 0

Answer:

Cell membrane

Explanation:

It separates the interior of all cells from the outside environment (the extracellular space) which protects the cell from its environment.

You might be interested in
In a ketone, the carbonyl group is bonded to how many hydrogen atoms? none one two three four
allochka39001 [22]

Answer:

None of carbonyl group is attached to hydrogen atoms.

Explanation:

Ketone is a group in which one carbonyl group is attached to two R ( the alkyl group) .

And the group in which two hydrogen is attached to R is called as aldehyde (formaldehyde).

And when one hydrogen and one alkyl group is attached to R. It is called as acetaldehyde from aldehyde family.

Read more about ketone :

brainly.com/question/14002520

#SPJ4

5 0
1 year ago
Write equations for the following: (b) an addition reactionbetween cyclohexene and Cl₂;
lorasvet [3.4K]

The required equation for an addition reaction between cyclohexene and Cl2 .

Cyclohexene + Cl2 → 1,2-dichlorocyclohexane

What is addition reaction ?

it is type of reaction in which one molecule combines with another molecule to form larger molecules .

addition reaction types are electrophilic , nucleophilic and free radical addition reaction .

<h3>What is free radical addition reaction ?</h3>

it is type of addition reaction where functional group is added to a compound through a free radical intermediate .

The free radical addition reaction involves chain initiation , chain propagation and chain termination .

Learn more about addition reaction here :

brainly.com/question/23960104

#SPJ4

7 0
1 year ago
Please help me with these
padilas [110]
<span>The physical layers of the inner core and outer core form a single compositional layer.

</span>
8 0
2 years ago
Answer Quickly : Define and compare boiling points, melting points, and freezing points.
juin [17]
Boiling point is the temperature at which a substance begins to change to a gas. Melting point is the temperature at which a substance begins to turn into a liquid. And freezing point is the temperature at which a substance begins turning into a solid.
3 0
2 years ago
Does the motion of the moon affects how we see it from Earth? *
irina [24]
Yes that’s why we see it in different shapes all the time
7 0
2 years ago
Other questions:
  • Do atoms lose energy during evaporation
    7·1 answer
  • At STP, which 2.0-gram sample of matter uniformly fills a 340-milliliter closed container?
    14·1 answer
  • A piece of lead loses 78.0 J ofheat and experiences a decrease in temperature of 9.0C the specific heat of lead is .130J/gC what
    6·1 answer
  • What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.7 cm and a uniformly di
    5·1 answer
  • Write the electron configuration, the orbital notation, and the noble gas notation for the following elements:
    6·1 answer
  • What does a high melting point temperature indicate about a substance?
    15·2 answers
  • Jis a colourless solid. When it is warmed with sodium hydroxide solution it
    8·1 answer
  • What natural resources are used to make plastic bags
    9·1 answer
  • How many moles of chlorine could be produced by decomposing 157g NaCl? 2NaCl --&gt; 2Na+Cl2
    5·1 answer
  • What does acetic anhydride form when it reacts with water?​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!