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finlep [7]
3 years ago
10

Which of the following does NOT describe bacteria?

Biology
2 answers:
elena-s [515]3 years ago
7 0
The answer is A for this question
ValentinkaMS [17]3 years ago
7 0
"A" does not describe bacteria. Bacteria use cellular respiration to produce energy, and therefore do not produce oxygen. However, millions of years ago, cyanobacteria did produce oxygen.
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The role of rRNA in gene expression is to?
Verizon [17]

Answer:

The correct answer is rRNA plays an important role during translation (protein synthesis) of mRNA.

Explanation:

Ribosomal RNA or rRNA are the RNA molecules which build up the site for protein synthesis known as ribosomes.

Ribosome synthesis takes place in nucleolus where two types of rRNA molecules associates with proteins, one in large subunit and one in the small subunit to form ribosomes.

These ribosomes physically moves along an mRNA molecule and catalyze the assembly of amino acids where rRNA molecules performs the catalytic steps of protein synthesis that is stitches amino acids together and makes up proteins.

Thus,  rRNA plays an important role during translation (protein synthesis) of mRNA.

4 0
3 years ago
PLS HELP!!! 10 Points!!!
marissa [1.9K]

Answer:The cell membrane functions as a barrier that makes it possible for the cytoplasm to maintain a different composition from the material surrounding the cell. The unit membrane is freely permeable to water molecules but very impermeable to ions and charged molecules. It is permeable to small molecules in inverse proportion to their size but in direct proportion to their lipid solubility.

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6 0
1 year ago
Which of these is a correct description of the relation?
zvonat [6]
<h3>Answer:</h3><h2>A Reaction is the rate rate which increases with a decrease in temperature.</h2>

It can be physical or chemical; a physical reaction is the one which occurs as a result to an event i.e. anger, happiness, excitement etc. Where as a chemical reaction is illustrates the process a chemical behaves when mixed with another substance.

4 0
3 years ago
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What do plant cells have for making food that animal cells do not
den301095 [7]

Answer:

Chloroplasts...

Explanation:

They contain a green pigment called chlorophyll that captures sun-light turning light energy into chemical energy (photosynthesis).. in the form of food utilised by the plant...

On the contrary... animals are heterotrophs and they move to capture they food

7 0
3 years ago
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How does dermal tissue help plants on a hot day?
Alexeev081 [22]
Because it has no seed or have seeds with wax coating that helps prevent water loss.  So it would be the one that says , It has a waxy material that prevents the loss of water to the environment. because that is true.
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3 years ago
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