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3 years ago

What is the material that phages insert into bacteria

Biology

1 answer:

sukhopar [10]3 years ago

6 0

Answer:

Bacteriophage

Explanation:

A bacteriophage, also known informally as a phage, is a virus that infects and replicates within bacteria and archaea. The term was derived from "bacteria" and the Greek φαγεῖν, meaning "to devour". Bacteriophages are composed of proteins that encapsulate a DNA or RNA genome, and may have structures that are either simple or elaborate

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A spheroidal bacterium with a diameter of 1 mm contains 2 molecules of a particular protein. What is the molar concentration?

creativ13 [48]

Answer : The molar concentration is, $6.35\times 10^{-18}mol/L$

Explanation :

First we have to calculate the moles of protein.

$\text{Moles of protein}=\frac{\text{Number of molecules of protein}}{\text{Avogadro's number}}$

Number of molecules of protein = 2 molecules

Avogadro's number = $6.022\times 10^{23}molecules/mol$

$\text{Moles of protein}=\frac{2\text{ molecules}}{6.022\times 10^{23}molecules/mol}=3.32\times 10^{-24}mol$

Now we have to calculate the radius.

Radius = $\frac{Diameter}{2}=\frac{1mm}{2}=0.5mm=5.0\times 10^{-4}m$

Conversion used : (1 mm = 0.001 m)

Now we have to calculate the volume.

$V=\frac{4}{3}\pi r^3$

$V=\frac{4}{3}\times 3.14\times (5.0\times 10^{-4}m)^3$

$V=5.23\times 10^{-10}m^3=5.23\times 10^{-7}L$

Conversion used : (1 m³ = 1000 L)

Now we have to calculate the molar concentration.

$Concentration=\frac{\text{Moles of protein}}{\text{Volume}}$

$Concentration=\frac{3.32\times 10^{-24}mol}{5.23\times 10^{-7}L}$

$Concentration=6.35\times 10^{-18}mol/L$

Thus, the molar concentration is, $6.35\times 10^{-18}mol/L$

4 0

3 years ago

What type of mutation is shown in the diagram

Lera25 [3.4K]

The answer should be C. insertation

5 0

3 years ago

A group of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. If the mitocho

hodyreva [135]

Answer:

The answer is B

Explanation:

The cells would not be able to make food, but would be able to release energy from biomolecules.

5 0

3 years ago

In which era did life begin what type of environment did they live in

seropon [69]

I dont know the era, but early life on earth was horrid for our type of species we have right now, they're was no oxygen, on C.dioxide and other properties, the earth was EXTREMELY hot due to not having an atmopshere yet, And no water, only gas, then fungus and other micro organisms formed due to the heat, and gas which is why fungus can survive in such horrid conditions.

5 0

3 years ago

Which statement about the U.S. Clean Water Act is true?

xeze [42]

<span>The answer is A. it was the first clean water act in U.S. history.

It was the first clean water act federal law created to solve water pollution through restoration and management. It gave a rule to pollutants to keep the waters clean.
</span>

5 0

3 years ago

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