Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
Which of the following amino acids can function as a neurotransmitter in the CNS?
1. Glutamic Acid it's because the vital inhibitory neurotransmitter in the CNS.
2. Huntington’s chorea has been linked with a deficiency in the amino acid ______.
Gaba because its the chief inhibitory neurotransmitter in the mammalian central nervous system.
3. Which of the following is not considered a monoamine?
Adenosine this has nothing to do with neurotransmitters that's linked to the heart.
Answer:
1. Archipelago in Ecuador
2. Different beaks
3. He used Darwinism/ survival of the fittest / evolution to explain these adaptations. The birds on different islands adapted to varying, but specific food types.
4. mutation, gene flow, genetic drift, and natural selection.
Mutation creates new genetic variation in a gene pool.
Gene flow and genetic drift alter allele frequencies in a gene pool.
5. The finches have few predators / competition for food.
Explanation:
Type 1 stools are detached, hard lumps that be similar to nuts that are tough to pass. Type 3 stools are like a sausage, but with pops on the surface. Type 5 stools are mushy blobs with clear-cut ends that are passed effortlessly. Type 6 stools are cottony pieces with raggedy edges.
