WorksheetsCell Transport
Total questions: 15
Worksheet time: 7mins
Name
Class
Date
1.
The movement of molecules across a membrane from high concentration to low concentration is called:
a)
Osmosis
b)
Diffusion
c)
Endocytosis
d)
Active Transport
2.
The most modern version of the cell membrane model was developed by:
a)
Singer & Nicolson
b)
Davson & Danielli
c)
Watson & Crick
d)
Banting & Best
3.
The relationship that governs diffusion rate across a membrane is called:
a)
Fick's Law
b)
Bernouli's Principle
c)
Xeno's Paradox
d)
The Spaghetti Conundrum
4.
The molecule responsible for increasing the fluidity of the membrane are:
a)
Glycolipids
b)
Glycoproteins
c)
Cholesterols
d)
Aquaporins
5.
The molecule responsible for allowing water to flow across the membrane is:
a)
Glycolipids
b)
Glycoproteins
c)
Aquaporins
d)
Cholesterol
6.
The molecule below that will not easily enter the cell by simple diffusion is:
a)
CO2
b)
O2
c)
Water
d)
Methane
7.
Active Transport typically uses ______ to transport materials across the cell membrane.
a)
ATP
b)
Glucose
c)
Na+
d)
K+
8.
The red blood cells in solution A are in a ____________ environment
a)
Acidic
b)
Isotonic
c)
Hypotonic
d)
Hypertonic
9.
The red blood cells in solution C are in a ____________ environment
a)
Acidic
b)
Isotonic
c)
Hypotonic
d)
Hypertonic
10.
A Hypotonic solution contains an excess amount of:
a)
Na+
b)
H+
c)
Solute
d)
Water
11.
The Na/K Pump moves Na & K ions across the membrane at a ratio of ___ Na : ___ K.
a)
2:1
b)
3:2
c)
2:3
d)
1:2
12.
Other common examples of ion pumps include:
a)
Proton (H+) Pumps
b)
Aquaporins
c)
Ionophores
d)
K+ Leak Channels
13.
Molecules that need to come through channels into the cell are typically...
a)
Polar
b)
Hydrophobic
c)
Non-Polar
d)
Di-Atomic
14.
Molecules that come through into the cell by simple diffusion are typically...
a)
Polar
b)
Hydrophilic
c)
Non-Polar
d)
Carbohydrates
15.
A macrophage engulfing and digesting a bacterial cell is an example of:
a)
Exocytosis
b)
Endocytosis
c)
Co-Transport
d)
Osmosis
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