Answer:
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Answer:
A. Upstream of the start site
Explanation:
Promoters are the specific DNA sequences that serve as the binding site for the enzyme RNA polymerase and thereby serve in the initiation of the process of transcription. Promoters are mostly present upstream of the start site (towards the 5' end) of a gene and direct the transcription of adjacent segments of DNA. For example, the promoter region in E. coli extends between positions -70 and + 30 and have consensus sequences as -10 and -35 regions. Promoters have specific sequences that determine the efficiency with which an RNA polymerase binds to them.
They all functions in food storage
Hemoglobin is a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.
Explanation:
The plants which use animal or insects as pollination vector produce less pollen compared to the wind-pollinated plants.
This could be due to the reason that the chances of pollination by wind are less than the pollination by the animal or vectors.
The chances of pollination in animal pollination are high as the animals to feed on the useful product of plant will go to the other plants but in wind pollination, the chances are less as it depends on the speed and direction of the wind.
Thus, wind-pollinated plants produce high number of pollens.