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Burka [1]
3 years ago
12

Which freshwater ecosystem is least productive?

Biology
2 answers:
Andrej [43]3 years ago
7 0

Answer:

bog

Explanation: for the boyzzz bby

Gemiola [76]3 years ago
3 0

Answer:A

Explanation:

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wolverine [178]

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They're made of more than one cell

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The substance used to separate the proteins from the dna
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DNA is deoxyribonucleic acid, which is insoluble in ethanol. In the process of centrifugation the addition of ethanol can aid to separate protein from its DNA.

<h3>What is centrifugation?</h3>

Centrifugation is a process of separating different molecules in a given sample that have different densities by rotating them in solution around an axis at high speed.

It is the frequently applied techniques in the molecular biology laboratory.

The addition of alcohol or ethanol to the sample followed by centrifugation can separate the proteins from its DNA.

Thus, the substance used to separate the proteins from the DNA is alcohol or ethanol.

For more details regarding centrifugation, visit:

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2 years ago
A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon diox
Romashka [77]

1. Cellular respiration does not consume carbon dioxide (CO2).

Cellular respiration is a process by which plants produce energy. It consists of anaerobic (without O2) and aerobic phase(with the presence of O2). During the cellular respiration chemical energy derived from the nutrients (like glucose) is transformed into energy molecule adenosine triphosphate (ATP).

2. Unlike photosynthesis, cellular respiration occurs in all eukaryotic organisms (photosynthesis only in plants and some microorganisms). The processes of cellular respiration occur in cytosol (glycolysis) and in the mitochondrion of a cell (Krebs cycle and electron transport chain).


6 0
3 years ago
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Docetaxel is a drug that is used in the treatment of cancer. It interferes with cell division by inhibiting microtubule depolyme
Helga [31]

Answer: Inhibition of Mitosis

Explanation: docetaxel, inhibit the microtubule structures within the cell. Microtubules are part of the cell's apparatus for dividing and replicating itself. Inhibition of these structures ultimately results in cell death.

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What were the Himalayan Mountains formed by?
horrorfan [7]
I might be wrong but i think is C 

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