True or False: All cells need ATP to function.

Which description of synapses is not correct? which description of synapses is not correct? second messengers can activate gene activities in the postsynaptic neuron. excitatory synapses cause depolarization.

The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels. The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels.

Magnetic fields store energy. A. True B. False

Anglos make up what percent of california's population?

3. If you collected a large mass of Rhizopus and transferred it to an orange and then collected a large mass of Aspergillus from an orange and transferred it to a slice of bread, both of the fungi would die. Explain why this happens.

The reactants collect in the a. Nucleus. B. Chloroplast c. Stem

Why might the risk of infectious disease be high in a community that has no water treatment facility?

The resistance of many bacterial species to antibiotics is an example of: stabilizing selection directional selection disruptive selection extreme selection

An amino acid sequence in whales for a protein shared by all organisms will be the least similar to the sequence in

Which of the following statements about water are true? Check all that apply. Water covers 75% of the Earth Once water is used it can never be reused. Only 3% of Earth's water is fresh water. Water comprises the majority of all plants and animals