Seth is chatting with his friends in a café.  suddenly, the power goes off, and it’s completely dark.  after a few moments, he’s able to see the outlines of the objects and people nearby.  which cells are responsible for his ability to see the objects and people?

What's the waste product of electrons and pyruvate combining in fermentation?  

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?