What are the reactants of the krebs cycle?

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

What are some possible short and long term medical concerns for crew members on longer space exploration trips

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent