All amino acids have a similar structure. Which component is responsible for the differences in the 20 amino acids

A: the carboxlyic acid

B: the R group

C: the central form

D: the amine group

Why are nutrition molecules important

What is indirect competition in biology terms

Membrane proteins are among the most important proteins biologically because they allow the cells to communicate with their environments.

The use of lasers in fingerprint lifting, iris scanning, and forensic anthropology are all examples of

List the six characteristics of living things

A cuticle occurs on the surface of organisms of many phyla and appears to be an advantageous feature. why have higher organisms not retained this structure?

After complex organic molecules have been absorbed in the small intestine, what materials are left behind?

What makes the trash in this landfill more of an environmental blight than the trash found in other trash dump areas? A) It is bigger. B) It is smellier. C) It won't disappear. D) It is harder to see.

What effects do currents have on objects in the ocean

Write the mrna base sequence that would result from the transcription of this segment of dna