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Talja [164]
3 years ago
10

James was observing cells under a microscope. He observed some cells which had a layer outside the plasma membrane. What is this

layer called?
Biology
2 answers:
Aleonysh [2.5K]3 years ago
5 0
The cell wall as it is a very strong barrier.
irga5000 [103]3 years ago
4 0
It's a cell wall, common to some types of cells, like plant cells (one notable component of the cell wall is <span>cellulose, which is exactly where we obtain it from</span>).
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Neurotransmitters are ________. Group of answer choices chemicals that cross the synaptic gap and bind to receptors on another n
Hoochie [10]

Answer:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)

Explanation:

Neurotransmitters are defined as the chemicals that is transported from a nerve cell across the synaptic gap to the receptor of another neuron or a target cell such as a gland cell or a muscle cell.

Neurotransmitters are generated in the central nervous system (the brain and spinal cord) and are stored in synaptic vesicles.

"Hence, the correct answer is:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)".

8 0
3 years ago
How would you use red, blue, and yellow marbles to model a carbon atom
morpeh [17]

I attached a picture showing how to do it

7 0
3 years ago
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What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions?
Fudgin [204]

Answer: The answer is C which is differentiation

3 0
3 years ago
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some forests are affected by human activity with grazing from livestock. how can this affect diversity?​
svp [43]

Answer:

some forest are really affected by activity because polluted they put trash in the water and they never clean it up and the animal life are getting sick and they are dying this does affect diversity because animals can die if we have polluted waters

Explanation:

8 0
3 years ago
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Julli [10]

Multiply 5730 years by 2 since two half-lives have gone by for carbon.

<u>Explanation</u>:

The half-life of a radioactive isotope depicts the measure of time that it takes half of the isotope in an example decay. On account of radiocarbon dating, the half-existence of carbon 14 is 5,730 years  

The half-life of carbon-14 is 5730 years.  

In this manner, after  

1 half-life there is 50 % = 1/2 of the first amount left.  

2 half-lives there is 25 % = 1/4 of the first amount left.  

25% is two half-lives.  

Every 50% of life requires 5730 years.  

So two half-lives require 2 × 5730

6 0
3 years ago
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