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vodka [1.7K]
3 years ago
11

Helpppp! which sentence explains why the moon can be seen from the earth at night

Biology
1 answer:
levacccp [35]3 years ago
5 0

Answer:

(A.) the moon reflects light from the sun

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Please explain why the inoculated plates are inverted during incubation.
sasho [114]

Answer:

Petri plates are incubated upside down to prevent contamination.

Explanation:

The plates are always incubated inverted or turned upside down on their covers during storage. This is done to prevent evaporation if plaque is stored for long periods, which can affect the growth efficiency of bacteria, or allow contamination by multiplying unwanted organisms such as mold.

Once the plaques have been filled with a damp suspension of bacteria, it should be allowed to evaporate shortly before overnight incubation. However, a moderate amount of moisture will still be present. If plaque is not inverted during incubation, bacteria will not be able to attach to the culture medium properly, which will either prevent them from growing and forming colonies properly or will encourage the growth of undesirable microorganisms.

Any of these results will invalidate the experiment. In addition, any condensation or moisture can cause streaking, which will make it difficult to select and analyze separate colonies. After bacteria form colonies, plaque is also stored upside down to maintain moisture levels.

6 0
3 years ago
Martin is studying sucrase activity. He added sucrose solution + sucrase solution + buffer of pH 5.6 in two tubes. He incubated
lukranit [14]
<span>B, enzymes will denature at that temperature. Sucrase has an optimal temperature of about 37 degrees celsius so 1000 would definitely be too high for them to work.</span>
3 0
4 years ago
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Which principal part is this verb form? (is) cutting A. past B. present participle C. past participle D. present
anzhelika [568]


it wouldn't be a present particle because those often end with a (ing) and can't be past or past participle because that means its already been done so its present
hoped I helped xD

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The hydrolysis of atp on the na+/ k+ pump results in
Shalnov [3]
I believe it results to a conformation change that moves the Na+ binding site to the inside of the cell. ATP hydrolysis involves the release of chemical energy that has been stored in the high-energy phosphoanhydride bonds in adenosine triphosphate.For example in muscles. The process of moving sodium and potassium ions across the cell membrane is an active transport process involving the hydrolysis of ATP to provide the necessary energy. It involves an enzyme referred to as Na+/K+ ATPase.
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4 years ago
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mote1985 [20]

Answer:

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Explanation:

because the whole oxygenated blood is galen

3 0
3 years ago
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