Answer: Cells contain chromosomes which are made up of genes. Genes are made up of tightly wound strands of DNA.
Explanation:
A DNA (Deoxyribonucleic acid ) is a double-helix structure which carries the genetic information. Gene is a segment of DNA that carries basic information/instruction for growth and development. It is a basic unit of heredity that passes from parents to offspring. Chromosomes contain genes. Chromosomes are found in cells.
Thus, a cell contains chromosomes which as genes. A gene is a segment of DNA.
Answer: It is possible. Chlorine reacts with potassium bromide to form potassium chloride and bromine.
Answer:
2.05mg Fe/ g sample
Explanation:
In all chemical extractions you lose analyte. Recovery standards are a way to know how many analyte you lose.
In the problem you recover 3.5mg Fe / 1.0101g sample: <em>3.465mg Fe / g sample. </em>As real concentration of the standard is 4.0 mg / g of sample the percent of recovery extraction is:
3.465 / 4×100 = <em>86,6%</em>
As the recovery of your sample was 1.7mg Fe / 0.9582g, the Iron present in your sample is:
1.7mg Fe / 0.9582g sample× (100/86.6) = <em>2.05mg Fe / g sample</em>
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Answer:
The Answer Is Quarks
Explanation:
Its mad up of Quarks
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Answer: False
Explanation: The kinetic energy of the molecules is the energy possessed by virtue of motion of particles.
Kinetic energy of the particles is directly proportional to the temperature of the gas.
where T= temperature
R= gas constant
Thus if the particles are moving faster that means the kinetic energy is high, the temperature must be higher and the particles must feel hot to touch.