Answer the following question given this paragraph: The transmission of nerve impulses between neurons is like the passing of a baton between runners in a relay race. After the first runner races, she passes the baton to the second runner. Then the second runner takes over. Instead of a baton, a neuron passes neurotransmitters to the next neuron. Q: Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what? Choices: - enzymes - axons - receptors - neurotransmitters A:
neurotransmitters
Answer the following question given this paragraph: No, not all birds can fly. And not all birds have wings. This penguin is a good example. Their wings have evolved into flippers, adapted for swimming instead of flying. The kiwi of New Zealand is another bird without wings. Q: What is caused by atoms or ions when they share or transfer valance electrons? Choices: - loss of charge - gain of charge - force of repulsion - force of attraction A:
force of attraction
Q: Answer the following question given this paragraph: A mutation may have no effect. However, sometimes a mutation can cause a protein to be made incorrectly. A defect in the protein can affect how well the protein works, or whether it works at all. Usually the loss of a protein function is detrimental to the organism. Q: What phenomenon can cause a protein in an organism to be made incorrectly? Choices: - evolution - heredity - allele - mutation A:
A: mutation
Question: Answer the following question given this paragraph: Q: What flows across the membrane resulting in changes in the membrane potential? Choices: - electrons - acids - neutrons - ions A:
Answer: ions
*Question*
Answer the following question given this paragraph: Greenhouse gases in the atmosphere absorb heat. This is called the greenhouse effect and it makes the planet warmer. Human actions have increased the greenhouse effect. Q: What has increased the greenhouse effect? Choices: - ozone depletion - temperature changes - climate change - human actions A:
**Answer**
human actions
Answer the following question given this paragraph: The combined gas law shows the relationships among temperature, volume, and pressure. Q: What law shows the relationships among temperature, volume, and pressure? Choices: - Newton's law - Murphy's Law - Law of Conservation - combined gas A:
combined gas