Bio Benchmark 1 Practice

What type of organic molecules are enzymes?

• carbohydrates

• lipids

• nucleic acids

• proteins

Tags

NGSS.HS-LS1-1

A cell which normally lives in a 10% saltwater solution was moved into another solution. Which of these solutions would cause the cell to increase in size at the greatest rate?

• 0% saltwater solution

• 5% saltwater solution

• 10% saltwater solution

• 20% saltwater solution

Placing wilted lettuce in cold water will make it crisp again. Which statement best describes what happens to restore the lettuce to its original condition?

• Water left the lettuce cells by diffusion

• Water entered the cells of the lettuce by osmosis

• Osmosis caused salts to enter the lettuce cells

• Salts in the leaf caused water to leave the cells

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

In humans, glucose is kept in balance in the bloodstream by insulin. Which concept does this best illustrate?

• adaptation

• metabolism

• homeostasis

• organization

Tags

NGSS.HS-LS1-3

Why do cells need buffering agents?

• to maintain constant internal environment at a pH of 10

• to minimize the changes in pH of the internal environment

• to function properly in an extremely basic internal environment

• to function properly in an extremely acidic internal environment

Which statement best summarizes the information in the graph?

• The cells survive best under acidic conditions.

• The cell survive best under basic conditions.

• The cells would survive better in distilled water.

• The survival of these cells does not affect pH.

Tags

NGSS.HS-LS1-3

Which two cell should be classified as prokaryotic cells?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-1

What are the subunits of DNA and their function?

• nucleotides that store information

• monosaccharides that provide quick energy for the cell

• lipids that store energy and provide insulation

• proteins that provide the building blocks for the structural components of organisms

Tags

NGSS.HS-LS1-1

Which of the diagrams best represents the net movement of molecules in osmosis?

• 
• 
• 
• 

Protein synthesis occurs at which of the structures shown?

• I

• II

• III

• IV

Tags

NGSS.HS-LS1-6