A chemical is added to cells, stopping all the activity of ribosomes. What is the result? A. lipid synthesis stops
B. protein synthesis stops
C. cellular respiration stops
D. transcription stops

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

The first amino acid of a new polypeptide chain is