Which of the following mutations would be most likely to impair production of a normally functioning protein?
a. insertion of three bases in a row
b. deletion of a single base
c. a point mutation within an intron
d. a mutation that changes a c to a g

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

What is the primary function of the nervous system?