The right answer is B.
The answer B is the only proposition which specified at which stage the event must occur, in fact, the meiosis.
Meiosis is a characteristic division of reproductive cells that can generate gametes to form new species (desendence). So if a mutation occurs at this time (such as recombinations) it will inevitably be inherited.
1. Is 4
2. Is 2
3. Is false, I think
Answer:
Amount of calories in that butter is 4500cal
Explanation:
It's relatively simple:
You already have energy density(energy divided by mass)
You already have butter density (mass divided by volume)
And you have dimensions of that butter
From those dimensions (5cmx5cmx20cm) you can calculate the volume, which is 500cm³. Then, using that volume you can calculate the mass (density = mass / volume, which means that <em>mass = density * volume</em>) and that is 450g. Now that you have the mass, you can calculate the amount of calories in that butter (energy density = energy/mass, which means that <em>energy = mass * energy density</em>) and that is 4500cal.
Vitamin B are required for the following :
- Protection of cell membranes against oxidative damage
- metabolism of amino acids.
<h3>Vitamin B </h3>
Vitamin B is very important for the proper functioning of the body cells in the body by helping with the metabolism process of converting food to energy. Vitamin B helps in the protection and maintenance of healthy skin and all kinds of cells and tissues in the human body.
Vitamin B helps in the rebuilding and creation of new blood cells in the body as well.
Hence we can conclude that Vitamin B are required for the following : Protection of cell membranes against oxidative damage, metabolism of amino acids.
Learn more about Vitamin B : brainly.com/question/9348916