You isolate a mature mRNA from a mixed experimental sample. You want to determine if it is a eukaryotic or prokaryotic mRNA. What can you look for in the mRNA to distinguish between mature prokaryotic and eukaryotic mRNAs? a) Presence or absence of introns
b) Presence or absence of a 3' tail
c) Presence or absence of a 5' cap
d) Presence or absence of edited nucleotides not directly encoded by the DNA

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

What part of the brain is highlighted in the diagram below?