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4 years ago

Which structures make it possible for some kinds of prokaryotic cells to move around

2 answers:

4 0

The correct answer of the given question above would be FLAGELLA. The structure that makes it possible for some kinds of prokaryotic cells to move around is the FLAGELLA. Prokaryotic cell is one of the types of cells. The other type is the Eukaryotic cell. This cell is found in two Kingdoms of life which are Archaea and Bacteria. Hope this answer helps.

RSB [31]4 years ago

3 0

The answer is cilia. It actually means "motile" or moving

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Which three observations are caused by plate tectonics?

Ahat [919]

Answer:

B. HOPE THIS HELPED SENSI

Explanation:

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3 years ago

Do plants have to do cellular respiration? Why or why not?

kozerog [31]

Answer:

<h3>Plants need oxygen because plants are made living cells which need to perform cellular respiration to get the energy they need to function. Admittedly, needing to perform cellular respiration alone does not mean that consuming oxygen is required - many (micro)organisms use fermentation or anaerobic respiration.</h3>

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2 years ago

Be sure to answer all parts. draw the product of the lewis acid-base reaction. label the electrophile and nucleophile. br2 + feb

jolli1 [7]

Br₂ + FeBr₃----->Br-Br-FeBr₃

In this reaction, FeBr₃, is a electron-deficient species that is it act as a lewis acid.

While Br₂, donates its electron to FeBr₃.

Br₂, act as a electrophile while FeBr₃ is a lewis acid.

Futher if Br₂, undergoes a reaction an aromatic ring , then that ring will attack Br₂, and it acts as a electrophile.

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3 years ago

Read 2 more answers

Which set of coefficients would balance the following chemical equation? H3PO4 + RbOH → H2O + Rb3PO4

AleksandrR [38]

H3PO4 + 3RbOH > 3H20 + Rb3PO4

5 0

3 years ago

Read 2 more answers

Two electrons are found in the same atom. One has the quantum number set (3, 2, 0, +?), and the other has the quantum number set

Vilka [71]

D. Same energy level but different sublevel.

<h3>Explanation</h3>

There are four quantum numbers [1]:

n, the principal quantum number,
l, the orbital angular momentum quantum number,
 $m_l$ , the magnetic quantum number, and
$m_s$ , the electron spin quantum number.

As their names might suggest:

n determines the main energy level of an electron.
l determines the type of sublevel of an electron.
Each sublevel might contain more than one orbital. $m_l$ gives the orbital of an electron.
Each orbital contains up to two electrons. $m_s$ tells two electrons in the same orbital apart.

The two electrons in question come from the same atom. The question suggests that they have the same n, $m_l$ , and $m_s$ . As a result, both electrons are in main energy level n = 3. They share the same spin.

However, the two electrons differ in their value of l.

l = 2 for the first electron. It belongs to a d sublevel.
l = 1 for the second electron. It belongs to a p sublevel.

<h3>Reference</h3>

[1] Kamenko, Anastasiya, et. al, "Quantum Numbers", Physical & Theoretical Chemistry, Chemistry Libretexts, 24 Mar 2017.

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4 years ago