The reaction was that the activation energy was lowered and the bonds were changed. They combine briefly and form an enzyme-substrate complex.
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Urban areas are crowded places with many apartments, offices, restaurants, parking lots and shopping centers. Comparing the amount of dirt, wastages and pollutants that are released into streams and lakes by each of these sources, we can conclude that the construction of a shopping mall or parking lot contributes a lot to the addition of the wastage into the streams and lakes
A shopping mall and parking lot in itself occupies a lot of space hindering the air balance and also increasing the traffic in the area and the adjacent areas leading to this area. On the other hand , this construction accommodates hundreds of shops that discards bulks of packaging materials in the form of plastic covers, fabric, card boards and other wastages which will have to be dumped every day.
Apart from this, urban areas have major part of the land covered with roofs and roads thus making all the rain water flow into the sewer and drainages washing out chemical wastes, pet wastes and other garbages into the streams and lakes.
Answer:
Chloroplasts and vacuole
Explanation:
Plants have a central vacuole that only plants have as well as chloroplast.
The frequency of allele is illustrated as the ratio of that specific allele in the population. As one knows that as the humans are diploid, so the total number of alleles is double of the total number of people in the population.
In order to determne the allele frequencies for A and B, there is a need to know that the persons with type A blood are homozygous AA, the persons with type AB blood are heterozygous AB, and the persons with type B blood are homozygous BB.
The frequency of A is:
2*(number of AA) + (number of AB) divided by 2 * (total number of individuals)
Therefore,
{2 * (200) + (75)} / 2 (200 +75 +25)
This comes out to be 475/600 = 0.792. Thus, p = 0.792.
Since, q is 1 - p
Then, q = 1 - 0.792 i.e 0.208.
BRAINLIEST PLS!
The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continentsand the areas of shallow seabed close to their shores, known as continentalshelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 7-10 km. About 40% of the Earth's surface is now underlain by continental crust.
