A neurotransmitter .

a. binds actin filaments, causing them to slide ( p p .2
b. di uses across a synaptic cleft from a neuron to a muscle cell
c. transports ATP across the synaptic cleft
d. breaks down acetylcholine at the synapse

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.