Describe what would happen to people who lost their mitochondria, and explain why it would happen.

In Madeleine L'Engle's children's novel A Wrinkle in Time, the mitochondria in one of the characters starts to die. Describe what would happen to people who lost their mitochondria, and explain why it would happen.

What effect would increased carbon dioxide have on plants?

One of the most dramatic environmental changes today is the increase in carbon-dioxide levels in the atmosphere. We usually hear about it in connection with global warming, but that's not the only issue. What effect would increased carbon dioxide have on plants? If more trees are planted, would this stand to have any effect on atmospheric levels? Evaluate with a 200 word essay.

Why is it accurate to think of each human being as the owner of a library of ancient information?

Explain why is it accurate to think of each human being as the owner of a library of ancient information?

What can you deduce from this regarding the proteins produced by a person with Down syndrome?

People who are born with the condition called Down syndrome generally have three copies of a certain chromosome (chromosome 21), rather than the usual two copies. In 200 words, what can you deduce from this regarding the proteins produced by a person with Down syndrome?

Why would growers find it advantageous to produce an enormous series of identical clones, rather than using trees that reproduce sexually?

All the bananas we eat come from trees that are produced through "cuttings" — a stem from an existing tree is planted in the ground, resulting in a new tree. Thus, each tree is a clone of another. Explain in 200 words why would growers find it advantageous to produce an enormous series of identical clones, rather than using trees that reproduce sexually?