Select all that apply. The synthesis of proteins occurs:
1.spontaneous bonding of amino acids
2.through the presence of enzymes
3.by coded instructions contained in DNA
4.random combinations of amino acids

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Drag the labels to the correct location in the equation. not all labels will be used (1 kilometer = 1,000 meters, 1 hour = 60 minutes, 1 minute = 60 seconds) complete the steps necessary to convert 55 kilometers per hour to meters per second, min 60 1,000 15.28100 sec min 55 km 1 hour 5fhkem x 4 km] m x 1 hourin xoo1 min 1 km sec reset next

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?