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Citrus2011 [14]
3 years ago
11

3. What kinds of energy input could have driven chemical reactions on the early Earth?​

Biology
2 answers:
uranmaximum [27]3 years ago
7 0
Positive and negative
Ber [7]3 years ago
4 0

Answer:

bro check google

Explanation:

i do not know

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A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structu
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Answer:

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  

Explanation:

The structure found on the outside of the onion cell is the cell wall, which is specific to plants. The structure found on the outside of the skin cell is the cell membrane, which is found on all cells.

Structure X is not living, and structure Y is living.  - this is false, both animal and plant cells are living.

Structure X can be found in some human cells, and structure Y can be found in some plant cells.  - this is false, the opposite is true.

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  - this is true structure X is the plant cell wall, and structure Y is the cell membrane

Structure X is semipermeable, and structure Y is selectively permeable. Semi-permeable and selectively permeable are essentially the same thing - it means the barrier allows some substances to pass through but not others.

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3 years ago
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A plant reaches its adult stage when _____. it begins photosynthesis it is fertilized it is ready to reproduce the plant parts b
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A plant reaches its adult stage when it is ready to reproduce.

 

The statement “All plants reproduce several times before dying” is true. The answer is letter A. Plants can reproduce several times as long as it has the gametes needed for reproduction.

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Put these in order from smallest to largest: neuron, cell, synapse
vladimir1956 [14]

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, cell, Synapse,  Neuron,

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Which of the following elements has properties similar to N?<br><br> B<br> O<br> P<br> Si
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The mixing of fats with water, assisted by molecules that have both nonpolar and polar ends, is called
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The mixing of fats with water, assisted by molecules that have both nonpolar and polar ends, is called <u>emulsification</u>

Hope that helps!

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