Biology Semester one final review

What is the pH that will cause this particular enzyme to have a higher rate of reaction?

(a)  

Enzymes are substances that speed up the rate of chemical reactions. The rate of enzyme action is affected by several factors. A researcher studying these factors made this graph. Which would be an appropriate title for this graph?

• Enzyme Action and Changes in pH

• The Effect of Temperature on Enzyme Populations

• How Enzyme Action Alters Temperature

• The Effect of Temperature on Enzyme Action

A molecule is composed of chains of amino acids. The sequence of the amino acids determines the shape and the function of the molecule. Identify the molecule.

• Protein

• Carbohydrate

• Lipid

• Nucleic Acid

Tags

NGSS.HS-LS1-1

The diagram shows a molecule made up of chains of hydrogen, carbon, and oxygen. This molecule performs numerous roles in living organisms. What type of molecule does the diagram represent?

• Lipid

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.MS-PS1-1

Identify the structures and processes at T.

• Mitochondria

• Chloroplast

• Ribosomes

• Cell membrane

Tags

NGSS.MS-LS1-2

Which one of the cells shown is eukaryotic?

• The cell that contains the nucleus

• The cell that contains the ribosomes

• The cell that contains the ribosomes

• The cell that contains the ribosomes

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

Which animal is not the apex predator but, a predator to a mouse?

• hawk
• rabbit
• snake
• grass

Tags

NGSS.MS-LS2-4

Why is a wolf a carnivore?

• because it eats willow trees

• because it eats dead animals

• because it eats sand

• because it eats other animals

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Click on the picture of the graph. What is this graph showing?

• Lynx and hare populations over time

• Lynx and hare captures over time

• Lynx and hare offspring over time

• Lynx and hare speed over time

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1