Midterm Review 2024

Why is Molecule A able to diffuse across the cell membrane but Molecule B is not?

A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants. The air temperature represents the ​ (a)   variable and the rate of photosynthesis represents the ​ (b)   variable.

• independent
• dependent

Organize the levels into the least complex to the most complex:

• organ system

• organ

• organelle

• cell

• tissue

Which molecule is inorganic?

• glucose (C₆H₁₂O₆)

• stearic acid (C₁₈H₃₆O₂)

• carbon dioxide (CO₂)

• ethane (C₂H₆)

If you eat meat for dinner, the organic molecules in the meat would be found in new molecules of...

• glucose

• protein

• starch

• fatty acids

Label the function of each organelle:

c

b

a

d

regulates flow of molecules

storage

synthesizes enzymes

produces ATP

Which two answer choices describe sugar & fat molecules?

• Fat molecules are inorganic

• Sugar molecules provide us with energy

• Fat molecules store extra energy

• Sugar molecules produce proteins

If enzymes change shape, they will no lomnger function. Two factors that can change the shape of enzymes are ​ (a)   and ​ (b)  

• temeprature
• pH
• sunlight
• nitrogen

Process X represents ​ (a)   which occurs in the ​ (b)   . Process Y represents ​ (c)   which occurs in the ​ (d)   . Do both plant and animals cells complete cellular respiration? ​ (e)  

• photosynthesis
• chloroplast
• cellular respiration
• mitochondria
• Yes, they do.
• No, they do not.

What substance was added to the cell to cause this change?