In recent molecular genetic studies, genes associated with the neurotransmitter Dopamine have been linked to ADHD.
ADHD stands for Attention Deficit Hyperactivity Disorder. People with ADHD have a hard time focusing on tasks. Scientists have found that the low levels of dopamine in the brain are associated with the symptoms of ADHD. It is because the neurons in the brain have a high amount of protein called the dopamine transporters. These proteins block the dopamine from passing between the neurons. This decreases the effect of dopamine.
Answer: B. The stream will have fewer plants growing
Explanation:
Nicotine, once in the brain, will work specifically on nicotinic receptors in the brain. However, there is a common "addiction" pathway in the brain that pretty much all addictive substances go through.
Answer: diffusion
Explanation:
water is used many different ways in photosynthesis. if you know how diffusion works than that’s pretty much what waters job is. It’s part of the equation which is the cycle of a plants life. Hoped this helped
Answer:
The oldest fossils, between 3.5 and 3.8 billion years old, are then accepted as both the first life and prokaryotic.
