What organelle is composed of flattened membranous sacs that are involved in the 'packaging' and 'shipping' of proteins? (write out entire name)

What is sympatric speciation?

The most relevant free energy in human physiology is the energy stored in

Being interested in penguins, Paul wanted to study the effect of fast food hamburgers on the weight of penguins.

In at least three sentences, describe why transitioning to a hydrogen economy has advantages. In at least three sentences, explain three disadvantages associated with hydrogen fuel use.

Explain what is meant by the statement cleaner than coal

A student was visiting a friend at her home. Her friend owned two cats. After playing with the cats for a while, the student began to sneeze. Her nose began to run and her eyes became red, watery, and itchy. It also became hard for her to breathe.

What are papillae and where are they located?

A type of flatworm called the green-banded broodsac infects snails' eyes, making the eyes look like caterpillars. This attracts birds that prey on caterpillars.

T or f People with HIV die from secondary infections, not HIV.

Match each item to the sphere of Earth in which it is located. ozone layer fossils rust (iron oxide) cyanobacteria hydrosphere atmosphere lithosphere