1. No category

AP 1 Cells Chapter 3 Spring 2015
Student: ___________________________________________________________________________
1.
A.
B.
C.
D.
The gelatinous supporting material of a cell is the
plasma membrane.
nucleus.
cytoplasm.
organelle.
2.
A.
B.
C.
D.
Small structures that compartmentalize the cell for the various cellular activities are
nuclei.
organelles.
matrices.
proteins.
3. Semipermeable membrane means that half the amount of a substance can pass through the plasma
membrane.
True False
4.
A.
B.
C.
D.
The plasma membrane consists primarily of
phospholipids and proteins.
sugars and starchs.
phospholipids and sugars.
sugars and proteins.
5. The chemical nature of phospholipids will cause them to form a single layer in a water environment.
True False
6.
A.
B.
C.
D.
The movement of protein molecules within the phospholipid bilayer is described by the
fluid mosaic model.
lipid mosaic model.
protein - lipid mosaic model.
cholesterol mosaic model.
7.
A.
B.
C.
D.
The presence of cholesterol molecules in plasma membranes is to
allow the buildup of fats.
change the chemical nature of the membrane.
create a mosaic pattern.
stabilize the phospholipids at low temperatures.
8.
A.
B.
C.
D.
The phospholipid molecules are arranged with
the hydrophilic tails facing outward and the hydrophobic heads facing inward.
the hydrophilic tails facing inward and the hydrophobic heads facing outward.
the hydrophilic heads facing outward and the hydrophobic tails facing inward.
the hydrophilic heads facing inward and the hydrophobic tails facing outward.
9.
A.
B.
C.
D.
What is the role of glycolipids and glycoproteins in the plasma membrane?
Transport of molecules through the membrane
Rtabilize the phospholipid bilayer
Cell identification
All apply.
10.
A.
B.
C.
D.
What is found within the cell's nucleus?
Chromatin
Nucleolus
DNA
All apply.
11.
A.
B.
C.
D.
The function of the nucleolus is to make
mitochondria.
endoplasmic reticulum.
chromosomes.
ribosomes.
12. The nuclear envelop is continuous with the Golgi apparatus.
True False
13.
A.
B.
C.
D.
Which of the following organelles functions in protein synthesis?
Ribosomes
Golgi apparatus
Smooth ER
All apply.
14.
A.
B.
C.
D.
The rough ER is covered with
Golgi apparatus.
ribosomes.
lysosomes.
nucleoli.
15.
A.
B.
C.
D.
Liver cells help to detoxify drugs, therefore, they would have a large number of
rough ER.
Golgi apparatus.
smooth ER.
centrioles.
16.
A.
B.
C.
D.
Which of the following functions in protein production?
Ribosomes
Golgi apparatus
Rough ER
Ribosomes, Golgi apparatus, and rough ER
17.
A.
B.
C.
D.
Which organelle is involved in processing, packaging, and secretion of proteins and lipids?
Ribosomes
Golgi apparatus
Endoplasmic reticulum
Chromosomes
18.
A.
B.
C.
D.
Lysosomes
are formed by the Golgi apparatus.
are concerned with intracellular digestion.
contain digestive enzymes.
All apply.
19.
A.
B.
C.
D.
Digestive sacs found in cells that help to detoxify drugs and alcohol are
peroxisomes.
centrioles.
ribosomes.
rough ER.
20.
A.
B.
C.
D.
Mitochondria
produce protein.
store food.
produce ATP.
digest food.
21.
A.
B.
C.
D.
Aerobic cellular respiration
occurs in the mitochondria.
produces ATP.
uses oxygen.
All apply.
22. The inner membrane folds of mitochondria, where many of the reactions of aerobic cellular respiration
occur, are called
A. smooth ER.
B. cristae.
C. grana.
D. thylakoid membranes.
23. Sperm use __________ for movement.
A. cilia
B. flagella
C. microvilli
D. microfilaments
24.
A.
B.
C.
D.
__________ help keep the lungs clean.
Cilia
Flagella
Basal bodies
Microvilli
25.
A.
B.
C.
D.
__________ are small hair-like extensions that produce movement across the surface of cells.
Cilia
Flagella
Microvilli
Basal bodies
26. Which elements of the cytoskeleton help maintain the shape of the cells, move organelles around, and aid
in cell division?
A. Intermediate fibers
B. Cilia
C. Microtubules
D. Actin filaments
27. Facilitated diffusion requires cellular energy.
True False
28.
A.
B.
C.
The plasma membrane is
impermeable.
permeable to everything.
selectively permeable.
29. What differentiates passive transport from active transport?
A. Passive transport moves substances into cells, while active transport moves substances out of cells.
B. Passive transport requires carriers, while active transport does not.
C. Passive transport does not use cellular energy, while active transport uses cellular energy.
D. Passive transport only moves water, while active transport only moves proteins.
30. The random movement of simple substances from an area of higher concentration to an area of lower
concentration is called
A. osmosis.
B. filtration.
C. diffusion.
D. pumping.
31.
A.
B.
C.
D.
Small lipid soluble molecules would move through the plasma membrane by
diffusion.
osmosis.
filtration.
pumping.
32.
A.
B.
C.
D.
The movement of H2O across a plasma membrane
is called osmosis.
is called diffusion.
requires energy.
is called osmosis and requires energy.
33.
A.
B.
C.
When a cell is placed into a(n) __________ solution, water enters the cell.
isotonic
hypotonic
hypertonic
34.
A.
B.
C.
When a cell is placed into a(n) __________ solution, the cell maintains its size.
isotonic
hypotonic
hypertonic
35.
A.
B.
C.
D.
Hemolysis means
swelling of cells.
shrinking of blood cells.
diffusion of cells into blood.
bursting of blood cells
36.
A.
B.
C.
D.
Which process does not require a concentration gradient?
Active transport
Diffusion
Facilitated diffusion
Osmosis
37.
A.
B.
C.
D.
Active transport
moves materials against their concentration gradients.
requires energy.
occurs in cells with many mitochondria.
All apply.
38.
A.
B.
C.
D.
The formation of a pocket of the plasma membrane to bring in solid materials is called
exocytosis.
pinocytosis.
phagocytosis.
facilitated diffusion.
39.
A.
B.
C.
D.
The major components of the cell membrane are
lipids and carbohydrates.
proteins and carbohydrates.
lipids and proteins.
carbohydrates and polysaccharides.
40.
A.
B.
C.
D.
Vesicles are formed from
lysosomal membrane.
nuclear membrane.
cell membrane.
mitochondrial membrane.
41. For which of the following organelles is the structure and function correctly described?
A. Endoplasmic reticulum-a network of interconnected membranes forming sacs and canals that packages
protein molecules for secretion
B. Ribosomes-membranous vesicles containing digestive enzymes
C. Golgi apparatus-particles, composed of protein and RNA, which synthesize proteins
D. Mitochondrion-nonmembranous structure that synthesizes proteins
42.
A.
B.
C.
D.
The main function of cristae is to
supply enzymes for reactions.
increase chemical transport in mitochondria.
facilitate diffusion of substances into the mitochondria.
increase the surface area for chemical reactions.
43.
A.
B.
C.
D.
Which of the following does not influence the rate of diffusion?
Distance
The concentration of the substance
The amount of energy available for transport molecules
The molecular weight of the diffusing molecules
44. Smooth ER has ribosomes and rough ER does not.
True False
45. Proteins are manufactured on mitochondria.
True False
46. Peroxisomes and lysosomes are sacs that contain enzymes.
True False
47. Microfilaments and microtubules are part of the cytoskeleton.
True False
48. Active transport uses energy stored in ATP molecules.
True False
49. Loss of cell cycle control can cause cancer.
True False
50. The process by which cells specialize is called differentiation.
True False