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Ugo [173]
3 years ago
12

A newly discovered unicellular organism isolated from acidic mine drainage is found to contain a cell wall, a plasma membrane, t

wo flagella, and peroxisomes. Based just on this information, the organism is most likely ________. A. a motile archaea B. a nonmotile eukaryote C. a motile bacterium D. a motile eukaryote
Chemistry
1 answer:
xxMikexx [17]3 years ago
5 0

Answer:

The answer to your question is: letter D

Explanation:

A. a motile archaea Archea don't have peroxisomes then this option is wrong.

B. a nonmotile eukaryote The new organism has flagella then it can move, so this option is wrong.

C. a motile bacterium Bacterium don't have peroxisomes so this option is wrong.

D. a motile eukaryote This is the correct option because an eukaryote can have all the characteristics described.

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The following list contains some common radicals. Using the charges on these ions and the idea of valence, predict the formulas
lesantik [10]

Answer : The formula for the compound sodium carbonate is Na_2CO_3

The formula for the compound potassium permanganate is KMnO_4

Explanation :

For formation of a neutral ionic compound, the charges on cation and anion must be balanced.

The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non-metals.

(a) Sodium carbonate

In the compound, the sodium metal forms an ionic compound with polyatomic anion (carbonate) CO_3^{2-}.

Here, sodium is having an oxidation state of +1 called as Na^{1+} cation and carbonate CO_3^{2-} is an anion with oxidation state of -2. The charges are not balanced. So, the charges are balanced by the cris-cross method. Thus, the compound formed will be, Na_2CO_3

Hence, the formula for the compound sodium carbonate is Na_2CO_3

(b) Potassium permanganate

In the compound, the potassium metal forms an ionic compound with polyatomic anion (permanganate) MnO_4^{1-}.

Here, potassium is having an oxidation state of +1 called as K^{1+} cation and permanganate MnO_4^{1-} is an anion with oxidation state of -1. The charges are balanced. Thus, the compound formed will be, KMnO_4

Hence, the formula for the compound potassium permanganate is KMnO_4

3 0
3 years ago
A box is sitting on a table. The upward force exerted on the box that stops it from falling through the table is known as the __
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It is know as the normal force.


When a solid is placed on a support, the latter exerts forces on the solid at each point of contact. These are forces that oppose the weight and prevent an object from falling.

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Convert 5.0 to 1027 an you should get your answer
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