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A molecular biologist measures the mass of cofactor a in an average yeast cell. the mass is 41.5 pg . what is the total mass in micrograms of cofactor a in a yeast colony containing 105 cells? write your answer as a decimal.

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In this question, you are given the average cofactor mass per cell (41.5pg) and the total cells count(105 cells). You are asked how much cofactor that will be found from those cells(microgram= 10^6 picogram). Then the calculation would be:
Cofactor mass= cofactor per cell * cell count= 41.5pg/cell * 105 cells= 4357.5pg= 4.36 x 10^3pg

Then convert the picogram(pg) into microgram: 4.36 x 10^3pg/ (10^6pg/microgram)= 4.36x10^-3 microgram or 0.00436 microgram

if 105 cells mean 10^5 cells, the answer should be 4.15 microgram
ardni313

The total mass in micrograms of the cofactor in a yeast colony containing 105 cells = 4357.5. 10 ^ -6 microgram = 0.004357.5 microgram

Further explanation

The principal is based on the agreement of scientists

The derivative magnitude is a quantity derived from the principal amount

7 main quantities have been determined based on international standards, namely:

1. Length, meters (m)

2. Time, second (s)

3. Mass, kilograms (kg)

4. Temperature, kelvin (K)

5. Light intensity, candela (cd)

6. Electric current, ampere (A)

7. Amount of substance, mol (m)

Mass is one of the principal quantities, which is related to the matter in the object

The main mass unit consists of 7 units of other than other units of mass such as quintals, tons, pounds, ounces:

  • Kilogram, kg
  • Hectogram, hg
  • Decagram, dag
  • gram, g
  • Decigram, dg
  • centigram, cg
  • milligram, mg

Each unit descends then multiplied by 10, and if one unit increases then divided by 10

Conversion of other mass units:

10⁻³ g mg milligrams

10³ g kg of kilograms

10⁻⁶ g µg micrograms (mcg)

10⁶ g Mg megagrams (tons)

10⁻⁹ ng nanograms

10⁹ g Gg gigagram

10⁻¹² g pg pikogram

In the problem, the mass of cofactor a in average yeast cell is 41.5 pg

So that, when converted to microgram (μ), becomes:

41.5 .10⁻⁶ μg

For 105 cells, the cofactor mass becomes:

41.5 .10⁻⁶ x 105 = 4357.5. 10⁻⁶ micrograms (μg)

Learn more

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Keywords: mass, convert, cofactor, cell

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