How do exons and introns differ?

Exons code for proteins.

Introns code for proteins.

Exons do not have a code.

Introns do not have a code.

True or false: all acute triangles are similar to all obtuse triangles

Which event marks the beginning of DNA replication? A) Formation of replication bubble B) Unwinding of DNA helix C) Formation of replication fork

Which of the following statements about DNA replication in E. coli is true? Which of the following statements about DNA replication in E. coli is true? Replication proceeds in one direction from a single origin of replication.

What is the process through which water is lost through the plant's stoma?

You apply 100.0 n of force to a machine. The machine applies 20.0 n of force to the load. What is the mechanical advantage of the machine? a) 200.0 b) 80.0 c) 5.00 d) 0.200

Adaptations often give organisms a competetive edge. a. True b. False

Biosphere II is a self-contained ecological system that was sealed with researchers inside. Unfortunately, the microbes in the soil consumed rich organic matter and produced carbon dioxide.

When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___. nuclei. zymogen granules. mitochondria. cristae. vacuoles.

Lesson 16 what is the respiratory system

Whit is the relationship between monomers and a polymer