Intervening sequences that are transcribed, but not translated into protein are called
A. exons.
B. introns.
C. spliceosomes.
D. transposons.
E. transcription factors.
B. introns.
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Escherichia coliĀ O157:H7 is a major cause of hemorrhagic colitis in the United.States.
Answer the following statement true (T) or false (F)
Vascular tissue cells that join end to end in tubelike columns are known as ____
a. sclerenchyma b. tracheids c. collenchyma d. parenchyma
e. vessel elementsThe idea that geologic processes have formed Earth's surface by repeating the same actions over and over is known as
____. a. the theory of catastrophism b. plate tectonics c. continental drift d. the theory of uniformity e. the theory of relativity
________ is the ingestion of large molecules and foreign substances through the phospholipid membrane
Fill in the blank(s) with correct word