Biology 191 Final

Think about a group of animal cells that need to be tightly held together to avoid leakage between them. They will have plasmodesmata connecting them.

The Endosymbiont Theory is a description of how protein synthesis occurs in a cell.

Glycoproteins and glycolipids both

"Channel" proteins and "carrier" proteins are two names for the same thing.

Osmosis and active transport both involve

Direct diffusion and facilitated diffusion both

If a cell (with internal concentration of solutes of 5%) shrivels, which of these solutions was it placed in?

Exocytosis

A scientist finds some material in a cell that is approximately 10% carbohydrate and 90% lipid. S/he can be sure that it is

In cellular membranes, transport molecules and cell surface receptors are both made of

Imagine a group of grasshoppers. Some are faster jumpers and some are slower jumpers. The faster ones are less catchable by birds and get eaten less. The process by which some organisms do better than others is specifically called

The Central Dogma concerns

A scientist is more sure of a theory than a hypothesis

Which of these is the correct order of organization in living things from least inclusive to most inclusive?

Consider an experiment in which you are interested in the growth of cockroaches. You wonder if amount of nitrogen affects cockroach growth rate, and do an experiment varying nitrogen amount and measuring growth rate. In this experiment, "growth rate" is the