Cell Processes and Transport Test

Describes the arrangement of the cell membrane as flexible and made of many parts. 

• The Fluid Mosaic Model 
• The Major Mobility Model 
• The Semi-Permeable Model

• The Maze Model

Match the mode of transport to the molecule

• active transport

• oxygen

• facilitated diffusion (carrier protein)

• a charged sodium ion

• exocytosis

• protein from the Golgi apparatus

• simple diffusion

• a molecule moving from low concentration to high concentration

• osmosis

• water molecule

Which molecule in the cell membrane is involved in transporting large molecules across the cell membrane

• Cholesterol

• Protein

• Carbohydrates

• Sugars

Match the DNA sequences to the mRNA sequences

• UUCGAAGGC

• GCTAATCGG

• GCUAGCAUU

• AAGCAAACC

• UAGCCAAUU

• AAGCTTCCG

• CGAUUAGCC

• ATCGGTTAA

• UUCGUUUGG

• CGATCGTAA

The backbone of DNA and RNA is composed of __________ and ________ groups.

(a)  

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

A cell in an isotonic solution will

• swell
• shrink
• stay the same size
• impossible to tell

Sodium and potassium ions are essential for muscle contractions of the heart. The ions are transported using a pump in the cell membrane, which obtains energy by the breaking of ____________. This use of energy to move molecules against a concentration gradient is called ________ _________.

(a)  

Movement of particles from high to low concentration. 

• Passive Transport
• Active Transport