bio review cells as a system

Cellulose is a molecule found in the cell walls of plants. Cellulose is made up of many smaller building blocks called what?

• amino acids

• fatty acids

• monosaccharides

• nucleotides

Which of the following is the primary structural component of the cell membrane?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

DNA and RNA

• carbohydrates

• lipids

• proteins

• nucleic acids

Amino Acids

• carbohydrates

• lipids

• proteins

• nucleic acids

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NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following conclusions can be drawn from this graph?

• The optimum pH of the enzyme is 6.6.
  
• The optimum pH of the enzyme is 5.8
  
• The enzyme’s activity increases as pH increases 5.0 to 9.0
  
• The enzyme’s activity is greater around pH of 8.0 .
  

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NGSS.MS-PS1-2

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

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NGSS.MS-LS1-7

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

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NGSS.MS-PS1-2

Bacteria are prokaryotes.

• True
• False

Which of the following is found inside a prokaryote?

• cytoplasm
• DNA
• ribosomes
• all of these

Which type of cell is this?

• Prokaryote

• Eukaryote

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NGSS.MS-LS1-1