Which of the following steps in a signaling pathway typically occurs first once a chemical messenger reaches a target cell? Answer A: Specific genes are activated.

Answer B: A second messenger molecule is produced.

Answer C: A ligand binds to a receptor.

Answer D: Specific proteins are synthesized.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

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