What describes a neuron in a resting state in terms of ion distribution? Inside cell is positive calcium and outside is chloride Inside cell is negative sodium and outside is potassium Inside cell is positive potassium and outside is Sodium Inside cell is negative chloride and outside is calcium

Inside cell is positive potassium and outside is Sodium

How does action potential work in terms of ion movement and neuron state restoration? Opens Na+ gates, Na+ enters, K+ exits, resting potential restored Opens K+ gates, K+ enters, Na+ exits, resting potential restored Closes Na+ gates, K+ enters, Na+ exits, resting potential restored Closes K+ gates, Na+ enters, K+ exits, resting potential restored

Opens Na+ gates, Na+ enters, K+ exits, resting potential restored

What are two factors that increase the speed of a signal in a neuron? Saltatory conduction and increase in diameter of neuron Increase in neurotransmitter release and decrease in axon diameter Decrease in myelination and increase in synaptic delay Decrease in neuron length and increase in synaptic cleft size

Saltatory conduction and increase in diameter of neuron

What are the steps involved in synaptic transmission from the presynaptic to the postsynaptic neuron? Receptor binding, neurotransmitter release, Ca2+ influx, action potential Neurotransmitter release, receptor binding, action potential, Ca2+ influx Action potential, Ca2+ influx, neurotransmitter release, receptor binding Ca2+ influx, action potential, receptor binding, neurotransmitter release

Action potential, Ca2+ influx, neurotransmitter release, receptor binding

What nucleotide bases make up the 'steps' of the DNA ladder? Cytosine, Guanine, Adenine, Thymine Adenine, Guanine, Cytosine, Uracil Guanine, Cytosine, Uracil, Thymine Adenine, Thymine, Uracil, Cytosine

Cytosine, Guanine, Adenine, Thymine

What are the steps involved in DNA replication? Denaturation, Annealing, Extension Transcription, Translation, Replication Binding, Cleaving, Ligation Initiation, Elongation, Termination

Initiation, Elongation, Termination

What discovery supports the Watson and Crick model of DNA? DNA is a double helix Proteins are made of amino acids The amount of Thymine equals that of Adenine, and the amount of Guanine equals that of Cytosine RNA is single-stranded

The amount of Thymine equals that of Adenine, and the amount of Guanine equals that of Cytosine

What makes up the sides and rungs of the DNA 'ladder'? Lipids and carbohydrates Nucleotides and enzymes Amino acids and proteins Alternating sugar and phosphate molecules

Alternating sugar and phosphate molecules

What must genetic material be able to do? Transport nutrients and remove waste Bind to enzymes and catalyze reactions Store energy and provide structural support Replicate itself and direct/control living processes

Replicate itself and direct/control living processes

Which of the following are classes of sponges? Calcispongiae, Demospongiae, Hexactinellida Mollusca, Annelida, Arthropoda Echinodermata, Chordata, Nematoda Porifera, Cnidaria, Platyhelminthes

Calcispongiae, Demospongiae, Hexactinellida

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