B. Velocity is correct because the truck movement is described with a magnitude and direction and the direction is constant.
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
Answer:
organisms and their environments.
Explanation:
In gymnosperms the seeds are not produced inside the fruit but in angiosperms the seeds are enclosed inside the fruit so they are classified separately.
In general ,Gymnosperms are considered as flowerless plants and are not enclosed inside seeds whereas angiosperms are plants that have flowers. Adding to this, the difference or the basis of classification is on the presence of an ovary.
Hence, gymnosperms and angiosperms both bears seeds, and they are also classified differently . The reason behind this is in case of gymnosperms the seeds are not produced inside the fruit but in case of angiosperms the seeds are enclosed inside the fruit.
To learn more about Gymnosperms , here
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