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Cells and Biochemistry
Cells and Biochemistry
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Biochemistry Cell Structure and Function
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
Which two processes does this diagram most directly model?
Energy conversions and synthesis of new molecules
Synthesis of new molecules and homeostasis
Transport of molecules and energy conversions
Homeostasis and transport of molecules
2
This class of organic molecule is insoluble in water, fat and oils are examples.
Proteins
Carbohydrates
Lipids
Nucleic Acids
3
What molecule does the cell use as energy?
ATP
TRP
ADP
AMP
4
Prokaryotic or Eukaryotic?
Eukaryotic
Prokaryotic
5
What cell organelle modifies, packages, and ships molecules?
Chloroplast
Ribosome
Mitochondria
Golgi Body
6
Prokaryotic or Eukaryotic cell?
Eukaryotic
Prokaryotic
7
What is the purpose of a ribosome?
Make ATP
Makes DNA
Makes Proteins
Make Energy
8
Which class of organic molecules is composed of monosaccharides, like glucose andfructose?
Protein
Lipids
Nucleic Acids
Carbohydrates
9
What will happen to the cell model in the picture?
Nothing
Float
Shrink
Swell
10
What is the purpose of plant vacuole?
Store DNA
Make ATP
Make Glucose
Store Water
11
The class of organic molecules that regulates cellular processes (made of amino acids)
Nucleic Acids
Proteins
Lipids
Carbohydrates
12
What will happen to the water in a cell if the sugar is greater on the outside than inside?
Water is blocked from moving
Water will not move
Water diffuses into the cell, and the cell swells.
Water diffuses out of the cell, and the cell shrinks.
13
Which statement best describes the role of the cell membrane in this model?
The cell membrane prevents water from entering the cell.
The cell membrane allows water to enter and leave the cell.
The cell membrane removes solutes from the environment
The cell membrane allows only solutes to enter the cell
14
What type of transport is presented in the picture?
osmosis
facilitated diffusion
exocytosis
protein pump
15
According to osmosis, what will happen to the following cell?
Shrink
Swell
Burst
Nothing
16
Which of the following cell structures can be observed in both plant cells and bacterial cells?
Vesicles
Cell Wall
Nucleus
Cholorplast
17
This organelle is the "trashcan" of the cell, it uses enzymes to break down waste.
Lysosome
Golgi Body
Ribosome
Endoplasmic Reticulum
18
DNA provides the instructions to make which biomolecule?
Proteins
Lipids
Carbohydrates
Nucleic Acids
19
Organelle captures light energy to make energy rich food through the process of photosynthesis
Mitochondria
Cell Wall
Ribosome
Cholorplast
20
The organelle that contains DNA (the control center)
Endoplasmic Reticulum
Nucleolus
Nucleus
Ribosome
21
Which of these best explains why energy is needed for active transport?
Ions are trapped inside the plasma membrane
. Ions areattached to large proteins.
Ions are moved against the concentration gradient.
Ions are negatively charged
22
Which features do plant cells have that animal cells lack?
Cell wall, chloroplast, and large central vacuole
Golgi apparatus, cytoskeleton, and vesicle
Chloroplast, ribosome, and cell wall
Centralvacuole, chloroplast, and smooth ER
23
What number represents the control center? Where DNA is stored?
1
10
6
5
24
Which features do plant cells have that animal cells lack?
Central vacuole, chloroplast, and smooth
Cell wall, chloroplast, and large central vacuole
Chloroplast, ribosome, and cell wall
Golgi apparatus, cytoskeleton, and vesicle
25
Which class of organic molecules is composed of nucleotides, examples are DNA and RNA?
Carbohydrates
Lipids
Nucleic Acids
Proteins
26
What number represents the power house, where energy is produced?
1
6
4
2
27
Which of the following is not a principle of the cell theory?
Cells are the basic units of life.
All cells are produced by existing cells.
All living things are made of cells
Very few cells reproduce.
28
All cells (prokaryotic and eukaryotic) contain which of the following?
Only Cell Membrane
Cell membrane and DNA
Nucleus
Vacuole
29
What is the function of the cell membrane?
Regulate transport in/out of cell
Make proteins
Make ATP
Modify Proteins
30
What is the purpose of the cell wall?
Modifies proteins
Store water
Structure and Protection
Transport of molecules in/out of cell
31
Which of the following is a function of mitochondria?
A. Mitochondria convert the energy offood into ATP.
Mitochondria process and package proteins
A. Mitochondria make their own food.
Mitochondria convert fats to carbohydrates
32
The term unicellular means?
one cell
many cells
has a nucleus
no nucleus
33
Protein molecules that speed up chemical reactions in our body are called -
polymers
enzymes
reactants
products
