Answer:
B: Large molecules often cross the plasma membrane while inside vesicles.
The population of fish would slowly begin to die out as the deeper the water the less dissolved gasses there are.
B) The fossil record provides evidence of a common ancestor to many species
Answer:
The correct answer is serotonin.
Explanation:
SIDS or sudden infant death syndrome refers to an inexplicable death, generally at the time of sleep, of a seemingly healthy baby of less than a 1-year-old. SIDS is also called crib death as the infants usually die in their cribs.
In children who are diagnosed with SIDS, usually possess lesser concentrations of serotonin that assist in monitoring heart rates, breathing, and sleeping. Serotonin refers to a compound, which is found in blood platelets that constricts the blood vessels. At the same time, it also functions as a neurotransmitter. It is a chemical found in the brain, which transmits messages to other cells.