AP Biology Unit 2-Cell Structure and Function Questions

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What is the term for something that is partially hydrophilic and partially hydrophobic such as a phospholipid?

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29 Terms

What is the term for something that is partially hydrophilic and partially hydrophobic such as a phospholipid?

Amphipathic

What is the system that is responsible for shipping a protein called?

Endomembrane system

Is a larger or smaller SA:V ratio better?

Larger

Bulk transport out of a cell is called what

Exocytosis

Which type of cell has no nucleus or membrane bound organelles?

Prokaryotic/Bacterial

Which organelle is responsible for making proteins?

Ribosome

Which organelle is responsible for helping fold proteins right after they are made?

Rough ER

The part of the golgi closest to the endoplasmic reticulum is called what?

Cis face

Name a protein that moves molecules from high to low concentration.

Channel protein/carrier protein/Gated Ion Channel Proteins

Which organelle fuses with the cell membrane to move materials out of the cell?

Vesicle

What cell membrane structure is responsible for decreasing fluidity in the heat and increasing fluidity in the cold?

Cholesterol

What is the name of the channel protein that moves water?

Aquaporins

Any molecules moving from an area of high concentration to low concentration is what type of transport?

Passive

What are the two possible names for proteins that go all the way through both layers of the cell membrane?

Integral and transmembrane

Active transport moves molecules from what concentration to what concentration?

Low to high

Which part of the phospholipid is hydrophilic?

Phosphate head

The DNA and ribosomes of chloroplasts and mitochondria closely resembles what organism's DNA?

Bacteria

The organelle responsible for the conversion of light energy into chemical energy is what?

Chloroplast

If there is more salt in a beaker than inside a cell where will water move?

Beaker

Does a membrane have more fluidity if it is saturated or unsaturated?

Unsaturated

What is the pressure potential in an open beaker?

0 bars

What is the transport of molecules from high to low concentration through the membrane called?

Simple diffusion

Protein pumps require what form of energy?

ATP

Diffusion through a protein is called what?

Facilitated diffusion

If a cell's water potential is -3 bars and a beaker's water potential is -7 bars, where will water move?

Beaker

Chloroplasts and mitochondria have two membranes due to what theory?

Endosymbiotic theory

Which organelle is responsible for containing enzymes and breaking down substances?

Lysosome

What pigment is found inside chloroplasts?

Chlorophyll

If water potential is low, is solute concentration high or low?

High