Biology, 19.09.2019 23:30 swaggaming941
Imagine a field of flowers; a field of flowers that are pollinated by basically three different pollinators. one pollinator, bees, attracted to short plants. another, butterflies, prefer plants of medium height and a third pollinator, birds, visits only the tallest plants. pesticide spraying kills many insect pests in the field of flowers but also wipes out the butterfly population. if the pollinator that preferred plants of medium height, the butterflies, disappears from the area, medium height plants would be selected against and the population would tend toward both short and tall, but not medium height plants. such a population, in which multiple distinct forms or morphs exist is said to be polymorphic. this is also an example of selection. a) directional b) disruptive c) environmental d) stabilizing
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Biology, 21.06.2019 22:00
Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by
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Biology, 22.06.2019 03:00
What is the approximate time of death of the body temperature is 29.4 degrees celsius
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Imagine a field of flowers; a field of flowers that are pollinated by basically three different pol...
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