Answer:
The cell would die
Explanation:
Proteins are needed for the cell's basic functions, one of the main functions is to allow for the compaction of DNA. These proteins are called histone proteins (more commonly referred to as histones). Without histones, DNA would not be able to condense into its chromosomes, and therefore would be destroyed in cell division. Ultimately, the cell would die.
Answer:
Atoms consist of three basic entity which can't be broken further into others namely neutron, proton, and electrons. Proton ad neutrons are kept in nucleus while electrons are in orbital, free to move in an orbital. The larger nuclear charge will make atom more stable and therefore lowers the energy. On the other hand, more electron will make atom unstable, because the energy will increase.
Thereby, option B is right choice.
Moles of water atoms = mass/molecular weight = 105/18 = 5.83 mol. Number of moles of hydrogen in water = 2 x moles of water = 11.66. Number of H atoms in water = moles of hydrogen x 6.02 x 10^23 = 7.019 x 10^24 ~ 7.02 x 10^24 atoms. Hope this helps.
Carbon is the reference taken to assign the atomic mass unit
- One twelfth of the mass of unbound carbon-12 is taken as 1amu
- The unit for the atomic mass constant is Dalton (Da)
- This unit is standard when doing calculations in chemistry and physics
- 1amu = 1.6605x10⁻¹⁹g
- This was also derived from the law of definite proportions
- This standard has been set by the International Union of Pure and Applied Chemistry (IUPAC)
- The IUPAC is responsible for assigning various standards such as the nomenclature of various compounds, and updating the periodic table of elements.
- According to the IUPAC carbon is the reference taken to assign the atomic mass unit
Learn more about atomic mass units here:
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