Given that the origin of replication is fixed in E. coli, what signals the location of the origin?
What will be an ideal response?
a region called oriC, which consists of about 250 base pairs characterized by repeating sequences of 9 and 13 bases (9mers and 13mers)
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In which type of population distribution would plot sampling be most accurate?
a. clumping b. uniform c. random d. random and clumping e. uniform and clumping
Four of the five processes listed below are functions
of the nephron. Select the exception. a. filtration b. dilution c. excretion d. reabsorption e. secretion
When calculating the gross national product, economists consider whether an activity is environmentally harmful.
Answer the following statement true (T) or false (F)
Which of these characteristics added most to vertebrate success in relatively dry environments?
A) the shelled, amniotic egg B) the ability to maintain a constant body temperature C) two pairs of appendages D) a four-chambered heart