SINHHOCDITRUYEN

What could be Chemical composition of Cytoplasm

• Water and other dissolved substances

• Proteins and fats

• Lipids and fats

• Polyasccharaides

Examine the cell diagrams shown. Which of the following choices identifies the eukaryotic cell for the correct reason?

• Cell A, because it is a single cell
• Cell A, because a nuclear membrane contains the cell’s DNA
• Cell B, because it is much smaller
• 
  Cell B, because it contains genetic material

What do all of these organisms have in common?

• They all have uniform offspring
• They are all made of cells
• They possess the same features
• They have the same internal and external structures

What part of the cell membrane is the arrow pointing to? 

• phospholipid
• carbohydrate chain 
• protein channel 
• amino acid 

What type of cells are pictured 

• Muscle Cells
• Cells of the Immune System 
• Human Cheek Cells
• Plant Cells 

Which diagram best represents the cell membrane 

• a
• b
• c
• d

What kind of molecule is the arrow pointing to? 

• Phospholipid
• Protein
• Sugar
• Nucleic Acid 

What process moves gases such as oxygen through the cell membrane as shown in the drawing? 

• Active Transport 
• Osmosis
• Diffusion
• Protein Channel 

What structure in the cell contains most of the cells genetic information? 

• A. rough Endoplasmic Reticulum 
• B. mitochondria 
• C. nucleus 
• D. cytoplasm 

Paramecium and Euglena are both eukaryotes because 

• Both have a cell membrane
• Both have a nucleus 
• Both are single-celled organisms
• Both have ribosomes