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oksian1 [2.3K]
3 years ago
12

Which of the following is NOT a part of ALL cells?

Biology
1 answer:
LenKa [72]3 years ago
4 0

Answer:

cell wall

Explanation:

Plant cells have cell walls while animals don't. They only gave cell membranes

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Hello please help me need aanswer​
viva [34]

As per questions,

★ What to do before a volcanic eruption?

Ans • Pack up some belongings especially radio, torch, some extra batteries, if possible then some dry eatables.

• Run out of the house with limited supplies and go to higher altitude areas like in mountains.

• Take some essential pain reducer medicines.

★ What to do during a volcanic eruption?

Ans: • Listen for the emergency evacuation orders as per given by officials.

• Protect yourself from falling ash.

• Use goggles to protect your eyes.

6 0
2 years ago
How does the response to acetylcholine in the presence of nifedipine compare to the response to acetylcholine without nifedipine
Paladinen [302]
<span>Nicotinic acetylcholine receptors (nAChR), are <span>ligand-gated ion channels and they can be a Na+, K+ and Ca2+ ion channel. Since nifedipine is a Ca2+ channel blocker (Ca2+ channel antagonist), it might inhibit the response of acetylcholine (if its receptor is Ca channel).</span></span>
4 0
3 years ago
This recolonization of an area that has been totally destroyed, is an example of... A. climax succeesion B. Pioneer Succession C
d1i1m1o1n [39]

Well Primary Succession means you are the first organisms of that area after it is destroyed completely or if it's new. Secondary Succession is when an area is not destroyed completely but the organisms that remain colonize the area again. I believe it's C.

6 0
3 years ago
Read 2 more answers
The thick fluid inside this organelle is where many of the reactions of photosynthesis take place. this fluid is called the
Law Incorporation [45]
Your answer would be Stroma 

hope this helps [:
6 0
3 years ago
Solar, wind, and hydroelectric energy<br> are examples of<br> resources.
strojnjashka [21]

Answer:

Renewable Energy Resources.

Explanation:

Unlike fossil fuels which cannot be recovered when destroyed, these sources of energy can be recovered by a means of recycling . Recycling here reduces solid wastes which is one of the causes of land pollution.

Hydroelectric schemes can only be built in mountain regions where rainfall and rivers are plentiful which involves upset of aquatic ecosystem. This poses a dangerous pollution problem though.

Wind generators and solar panels are not very efficient energy producers. However, future schemes for producing solar energy via solar satellites are promising.

7 0
3 years ago
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