sensory functions are found on the head of an insect , they have a single pair of antenna , mouthparts adapted for chewing or sucking.
C.) Scanning electron microscope. You would not be able to see a whole insect with one of these.
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It's empty or fairly large, making the sounds from your hands bounce of the walls and therefore having it echo
transcription is after the helicase unzips the DNA strand and copies the segment and then moves it and so it can be translated into amino acids