The advantage to prokaryotes grouping related metabolic gene products into a single operon is they only needed one mRNA to create several gene products. This makes a prokaryote different to a eukaryote in terms of gene information processing. Prokaryotes have fewer genes. These genes are located in one chromosome only.
The calcium get into your body through Vitamin D.
<u>Explanation:</u>
In order to make the bones healthy, calcium and phosphorus is very essential. Calcium cannot be made by human body. The body only gets the calcium it needs, by means the food you eat, or from supplements. Vitamin D plays a major role in the absorption of calcium in human body. Calcium is a major mineral in a human body that helps in the proper working of body cells and nerves.
The quantity of the minerals like calcium, phosphorous,etc that are present in a segment of bone determines the density of bone. A percentage of 15 to 20 of calcium is absorbed from the diet that human intake. When the levels of vitamin D is low, there will be lower intake to calcium by gut. This causes the bones to become weaker.
Answer:
In conservation biology, a flagship species is a species chosen to raise support for biodiversity conservation in a given place or social context.
Explanation:
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The correct answer is: B) -20 kcal/mol
Enzymes are catalysts of chemical reactions, they speed up the reaction by lowering the activation energy, but don't affect the ∆G (change of Gibbs free energy). The changes in free energy occurs due to change in concentrations of reactants and products and don't have anything to do with the presence or absence of an enzyme.
It is true that the gametophytes grow directly from the sporophyte
Answer: Option C
<u>Explanation:</u>
Conifers are distinct by the presence of evergreen needle shaped leaves and seeds that are generally attached to the cone. The conifers are generally pines which grow into tall trees and bonsai varieties are the smallest. They do not produce seeds in the fruits like other trees rather store it in a thick woody cone where it can be protected during forest fires.
In conifers the process from pollination to fertilization takes about a year. The plant in which the gametophyte grows is called as the sporophyte. This sporophyte is where the male and female gametes fuse together to form the first cells the zygote. Then this zygote develops into a seed. This seed is then disbursed through wind and end up forming a new baby plant called the sporophyte.
