Help me PLEASE! Choose one answer! First one to answer get Brainliest! 14.) What kind of fossil formation creates a hollow area in the rock that is the shape of an organism?

A.) Cast
B.) Trace Fossil
C.) Body Fossil
D.) Mold

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

What is the main storage pool for phosphorus?