Sketch what you observe when examining the onion root tip using the low power lens in the high-power lens. label to sketches and buy a brief description of your observations.

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

What are the three different shapes or structures shapes or structure of carbon-based molecules?