When a neuron's membrane is at rest, the concentration gradient tends to move potassium the cell and the electrical gradient tends to move it the cell?

Why are some people more concerned about shark survival than about shark attacks?

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger

You sample a population of butterflies and find that 56% are heterozygous at a particular locus. what should be the frequency of the recessive allele in this population?