Latest Questions & Answers

Q: A new plant forms from a stem that broke off of the

A new plant forms from a stem that broke off of the parent plant. This is an example of ______. a. nodal cloning b. exocytosis c. asexual reproduction d. tissue culture propagation

Q: Exposure to ______ can trigger seed germination. a. light

Exposure to ______ can trigger seed germination. a. light b. cold c. smoke d. all can be triggers

Q: Cotyledons develop as part of ______. a. carpels b

Cotyledons develop as part of ______. a. carpels b. accessory fruits c. embryo sporophytes d. flowers

Q: Commands to move your right arm start in the _________. a

Commands to move your right arm start in the _________. a. left frontal lobe b. right occipital lobe c. right temporal lobe d. left parietal lobe

Q: When you sit quietly on the couch and read, output from

When you sit quietly on the couch and read, output from _______ neurons prevails. a. sympathetic b. parasympathetic

Q: Which neurotransmitter is important in reward-based learning and drug addiction

Which neurotransmitter is important in reward-based learning and drug addiction? a. Ach b. serotonin c. dopamine d. epinephrine

Q: What chemical is released by axon terminals of a motor neuron at

What chemical is released by axon terminals of a motor neuron at a neuromuscular junction? a. Ach b. serotonin c. dopamine d. epinephrine

Q: 1. Neurotransmitters are released by. a. axon terminals

1. Neurotransmitters are released by. a. axon terminals b. a neuron cell body c. dendrites d. glial cells 2. Which of the following are not in the brain? a. Schwann cells b. astrocytes c. microglia

Q: _____ relay messages from the brain and spinal cord to muscles and

_____ relay messages from the brain and spinal cord to muscles and glands. a. Motor neurons b. Sensory neurons c. Interneurons d. Neuroglia

Q: Some survivors of disastrous events develop posttraumatic stress disorder (PTSD).

Some survivors of disastrous events develop posttraumatic stress disorder (PTSD). Symptoms include nightmares about the experience and suddenly feeling as if the event is recurring. Brain-imaging stud...