NGSS.MS-LS1-7

What organelle is called the "powerhouse" of a cell?

• Endoplasmic Reticulum
• Nucleus
• Mitochondria
• Nucleolus

Tags

NGSS.MS-LS1-7

Cellular respiration takes place in the

• ribosomes.
• nucleus.
• mitochondria.
• chloroplasts.

Tags

NGSS.MS-LS1-7

Breaks down food  to release energy. Known as the power plant of the cell.

• Endoplasmic Reticulum
• Mitochondria
• Ribosomes
• Cell Wall

Tags

NGSS.MS-LS1-7

Base your answer to the question on the word equations below and on your knowledge of biology. The equations represent two biochemical processes that occur in living organisms. The letter X represents a molecule produced from process.
Process 1: oxygen + glucose → carbon dioxide + water + X
Process 2: carbon dioxide + water → oxygen + glucose

• Process 1
• Process 2
• Both Process 1 and 2
• Neither Process 1 and 2 

Tags

NGSS.MS-LS1-7

Adenosine triphosphate; a compound that releases energy during the process of cellular respiration

• ATP

• ADP

• CR

• CPR

Tags

NGSS.MS-LS1-7

Marisol has been chewing and swallowing her food, but her digestive system is not doing what it usually does. Why is this a problem for her ability to exercise?

• A Her cells will not work well because molecules from her food are not being broken down small enough to get to her cells.

• B Her body will run out of energy because molecules from the air are not being combined into larger molecules for the cells.

• C Her respiratory system will have to work twice as hard to break down molecules from food.

• D Her cells will not work well because the molecules from food will be too small for cells to use.

Tags

NGSS.MS-LS1-7

what organ gets help from other organs to digest

• mouth

• stomach

• small intestine

• esophagus

Tags

NGSS.MS-LS1-7

When you are active, chemical energy of food is converted into _____ energy.

• kinetic

• thermal

• photosynthesis

• chemical

• light

Tags

NGSS.MS-LS1-7

What does the salivary glands do for the digestive system?

• It produce saliva, which keeps the mouth and other parts of the digestive system moist.

• It produce moist, which keeps the mouth and other parts of the digestive system saliva.

• It produces ptyalin to make saliva for the mouth, so the system can start.

Tags

NGSS.MS-LS1-7

Why does the amount of glucose decrease inside a healthy persons small intestine body?

• It is already small enough to be absorbed

• It is breaking down into something else

• It disappears

• The body is getting rid of it as waste

Tags

NGSS.MS-LS1-7