The parents of a 2-year-old arrive at a hospital to visit their child. The childis in the playroom when the parents arrive. When the parents enter the playroom, the child does not readily approach the parents. Which is the correct interpretation of the behavior?

1. The child is withdrawn.
2. The child is self-centered.
3. The child exhibits detachment.
4. The child has adjusted to the hospital setting.

What are some things that limit population growth?

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

What is the next step in the process after a substrate enters the active site of an enzyme