Chapter 7: Cell Structure and Transport Kahoot

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A cell that has a nucleus, cell wall and ribosomes is most likely...

a plant cell

Which of these is *NOT* part of the Cell Theory? all living things are composed of cells all cells have a nucleus cells are the basic unit of structure and function new cells come from existing cells

all cells have a nucleus

The substance in the plasma membrane that receives chemical signals is...

carbohydrates

a rigid structure that surrounds the cell membrane

cell wall

Active transport requires...

energy

What is the powerhouse of the cell?

mitochondria

Where are you least likely to find water in the plasma membrane?

non polar tails

What is Phagocytosis?

particle transport requires energy from the cell

The cell membrane can best be described as a...

phospholipid bilayer

The process of the plasma membrane pumping sodium against the concentration gradient

Active Transport

When the concentration of molecules on both sides of a membrane is the same, molecules...

Move across in both directions

Prokaryotic cells possess all of the following except... Cell Membrane Ribosomes Cell wall Nuclear Membrane

Nuclear Membrane

acts like the brain of the cell

Nucleus

An animal cell put in a solution shrivels up and dies. The solution most likely had...

A very high concentration of salt

The molecule used for energy in all cell processes, including active transport, is...

ATP

Which of the following is *NOT* passive transport? Calcium ions crossing into a cell with a protein pump Glucose entering a cell via protein channels Water leaving a cell in a hypertonic solution Carbon Dioxide exiting the cell through membrane pores

Calcium ions crossing into a cell with a protein pump

True or False? Endocytosis is a active transport which moves cells out of the cell

False

What acts as a distribution center for proteins?

Golgi apparatus

The lipids that create cell membranes have...

Hydrophilic heads and hydrophobic tails

Plasmolysis (a plant cell shriveling inside the cell wall) occurs in what solution?

Hypertonic

Which of the following molecules is not found in a cell membrane? Carbohydrates Protein Channels Cholesterol Ribonucleic Acid

Ribonucleic Acid

True or False? All cells have a cell membrane

True

True or False? molecules continuously move with no net change during equilibrium

True

Which molecule aids in moving substances across the cell membrane, ex. facilitated transport?

protein

What produces the proteins?

ribosomes


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