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2 years ago

5) Order and define these terms from smallest to biggest: Chromosome, Cell, DNA (The individual bases), Nuclei, Gene

Biology

1 answer:

noname [10]2 years ago

4 0

Answer:

Cell > Nucleus > Chromosome > Gene > DNA

Explanation:

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

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2 years ago

Dovator [93]

Answer:

Forceps should be used because directly touching the substance and dropping it into the acid with your hands can cause harm to yourself, and it can also prevent contamination of the substance.

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3 years ago

What would happen if the cell did not have (a)nucleus (b)endoplasmic reticulum (c)golgi apparatus (d)lysosomes (e)vacuole (plant

Ksju [112]

Without those parts, the cell wouldnt be able to perform its basic function and thus die

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2 years ago

For a thirsty person, drinking water serves to reduce a basal metabolic rate. b homeostasis. c an instinct. d the set point. e a

strojnjashka [21]

Answer:

e) a drive

Explanation:

We felt thirsty when we have fluid imbalance in our body either we have less water or we have more concentration of osmolytes such as sodium in blood. The brain detect the change produce the effect for the intake of water.

However thirst is a vital primordial emotion that motivates us for fluid intake. So the emotion produces a drive to quench it.
Some recent studies refers it as basic instinct to drink water.

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3 years ago

What the basic building blocks of matter called?

Marrrta [24]

The basic building blocks of matter are called atoms.

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2 years ago

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5) Order and define these terms from smallest to biggest: Chromosome, Cell, DNA (The individual bases), Nuclei, Gene​

5) Order and define these terms from smallest to biggest: Chromosome, Cell, DNA (The individual bases), Nuclei, Gene