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3 years ago

Please help i’ll give brainliest

Biology

2 answers:

lianna [129]3 years ago

5 0

Answer:

grasshopper and rabbit

Explanation:

dezoksy [38]3 years ago

3 0

Grasshoppers and rabbits

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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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3 years ago

Which resource is nonrenewable?

melamori03 [73]

Answer: Coal is a nonrenewable resource.

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3 years ago

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Why would be a consequence if plants could not go through Phototropism?

max2010maxim [7]

Answer:

Explanation:

Phototropism is the growth of organism characterize by their response to light stimulus. It occurs mainly in plant and some Algae.

The response of plant to light enable them use energy from light needed for photosynthesis.

Plant Phototropism characterise some plant growth and development such as flowering,fruiting and seedling formation.

Inability of plant to respond to light reduces it ability to photosynthesize and make sugar needed for their activities ,flower and fruits. It reduces it growth and development.

We have positive and negative response. Positive response is the response of plant towards the direction of light while negative response is the response of plant away from light.

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3 years ago

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Which taxonomic group is a group of similar families?

adell [148]

Answer:

From smallest to largest, the levels are species, genus, family, order, class, phylum, and kingdom. Each of the ranking levels is called a taxon. Just as a genus is a group of similar species, a family is a group of similar genera. An order is a group of similar families.

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4 years ago

Which is not an event of mitosis?

DanielleElmas [232]

Answer:

3!!!

Explanation:

The segregation of homologous chromosomes

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3 years ago