Which of the following events accompanies absorption of energy by chlorophyll molecules of the reaction-center complex? a) an electron is excited. b) a molecule of water is split. c) nad+ is reduced to nadh. d) atp is synthesized from the energy absorbed. 6) what are the products of linear electron flow during the light reactions of photosynthesis? a) atp and p700 b) atp and nadph c) heat and fluorescence d) adp and nadp+

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.

Apart of an ecosystem that can restrict the growth of a population is referred to as

The cluster of developing cells from conception until birth is called an