Suppose the following point mutation occurred in the DNA. Will this mutation affect the protein resulting from this gene sequence?

a. Yes, the 5th amino acid in the sequence has changed.

b. No, the amino acid sequence has not been changed.

c. No, mutations in the DNA do not affect the mRNA sequence.

d. Yes, all mutations change the resulting protein.

Match each symbol with its description.

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water

There are only about 250,000 known fossil species. true or false