the paleozoic era ended with the abrupt disappearance of many land and marine species. this type of event in geological time is known as
select one:
a. mass extinction
b. endangered species
c. boundary transition
d. transitional change.

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate

What is the correct trna sequence that would match the following mrna sequence.gcgaua

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation