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anygoal [31]
3 years ago
14

In DNA replication, what is the leading strand? A. the strand that is unzipped at the replication fork B. the strand that assemb

les new nucleotides in a continuous fashion C. the strand that does not assemble new nucleotides in a continuous fashion D. the strand that waits for the DNA replication process to be finished
Chemistry
2 answers:
Mashcka [7]3 years ago
6 0

Answer:

B

Explanation:

dangina [55]3 years ago
3 0

Answer: B.) the strand that assembles new nucleotides in a continuous fashion

Explanation: edgenuity

You might be interested in
In a radio, ______ energy is transformed into ______ energy.​
Rina8888 [55]

Answer:

In a radio, chemical energy is transformed into sound energy

4 0
3 years ago
The density of lithium is 0. 546 g/cm3. what volume is occupied by 3. 66 x 10 23 atoms of lithium?
s344n2d4d5 [400]

The volume occupied by 3.66 x 10^{23} atoms of lithium is 7.73 cm^3

<h3>What is Density?</h3>

The density of a substance is defined as the mass of the substance per unit volume. It is often denoted by the symbol ρ

The density of a substance is given by,

\rho = \frac{m}{V}

The mass of a substance is the measure of the amount of matter present in it. It is generally measured in grams (g) or kilograms (kg).

The volume of a substance is defined as the amount of 3D space occupied by it.

<h3>What is Mole Concept?</h3>

It is a concept which uses mole as a unit to measure the number of atoms, molecules or ions.

A mole is defined as the amount of substance which has the same number of elementary particles as there are atoms in 12 grams of \ce{^{12}C}

1 mole = Avogadro's number = 6.022 x 10^{23\\ atoms

<h3>Steps to find out the volume</h3>

Molar Mass of Lithium = 6.94 g/mol

1 mole of Lithium has 6.022 x 10^{23} atoms

3.66 x 10^{23} atoms of lithium has molar mass = \frac{6.94 g}{6.022\times10^{23} } \times 3.66 \times 10^{23}

m = 4.218 g

Substitute in density formula,

\rho = \frac{m}{V}

V = \frac{m}{\rho}

=\frac{4.218g}{0.546g/cm^3}

= 7.73 cm^3\\

Therefore, 3.66 x 10^{23} atoms of lithium occupies 7.73 cm^3\\ of volume.

Learn more about the mole concept:

brainly.com/question/1427235

#SPJ4

3 0
2 years ago
Vanadium (II) oxide with Iron (III) oxide results in Vanadium (V) oxide and Iron (II) oxide. Balance this equation
evablogger [386]

Answer:

2VO + 3Fe2O3 —> V2O5 + 6FeO

Explanation:

The skeletal equation for the reaction is given below below:

VO + Fe2O3 —> V2O5 + FeO

We can balance the equation above by doing the following:

There are 2 atoms of V on the right side and 1 atom on the left side. It can be balance by putting 2 in front of VO as shown below:

2VO + Fe2O3 —> V2O5 + FeO

Now, we have a total of 5 atoms of O on the left and 6 atoms on the right side. We can balance it by putting 3 in front of Fe2O3 and 6 in front of FeO as shown below:

2VO + 3Fe2O3 —> V2O5 + 6FeO

Now, we can see that the equation is balanced

4 0
3 years ago
Atoms have a blank shape. the blank of an atom is made up of
timurjin [86]

<em>Answer:</em>

  • The atom has spherical shape. The nucleus of an atom is made up of protons and neutrons.

<em>Explanation:</em>

  • The shape of an atom depend upon many factors including angular momentum of electrons and electrostatic forces between particles. So mostly the shape of an atom is complex , however in simplest of atoms have spherical shapes.
  • The atom consist of three fundamental particle like protons, neutron and electrons. Proton and neutron are collectively form the nucleus of an atom while electrons revolve around the nucleus.
7 0
3 years ago
Read 2 more answers
What is the volume of 238 moles of krypton gas at STP?
Juliette [100K]

Answer:

              5331.2 L of Volume

Explanation:

At standard temperature and pressure (STP) one mole of ideal gas occupies 22.4 L of volume.

Hence we can write following relation,

                   1 mole of Gas occupies = 22.4 L of Volume

So,

             238 moles of gas will occupy = X L of Volume

Solving for X,

X = 22.4 L × 238 mole / 1 mole

X = 5331.2 L of Volume

8 0
3 years ago
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