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WorksheetsBifolgy
Total questions: 51
Worksheet time: 26mins
A mode of transport that dose not require energy
Passive Transport
Facilitated Diffusion
Selectively Permeable
Silghtly Permeable
The type of transport that requires the use of transport proteins
Passive Trasport
Facilitated Diffusion
Active Trasport
Vesicular Trasport
The passage of a substance from an area of high concentration to an area of low concentration
Active Transport
Diffusion
Vesicular Transport
Exocytosis
The head of a phospholipid is:
Hydrophobic
Hydrophilic
Polar
Nonpolar
Active Transport __________ require energy and uses the help of __________.
does, protein pumps
does, cytoplasm
does not, transport proteins
does not, sodium pumps
Some cells move large particles out of the cell through the process of:
Protein Synthesis
Endocytosis
Exocytosis
Cytoplasmic Streaming
The cell membrane is composed of a:
Protein Shield
Carbohydrate Barrier
Phospholipid Bilayer
Blanket of Hopes and Dreams
Where can PROTEINS be found when part of a plasma membrane?
On the outside of the membrane
On the inside of the membrane
Embedded part of the way into the membrane
Embedded the whole way through the membrane
All of the above
What is the function of cholesterol in a plasma membrane?
To make the membrane flexible
To control the effect of temperature changes
To attract water molecules
To allow nutrients and other essential molecules into the cell
The picture is an example of...
active transport
passive transport
diffusion
osmosis
What type of solution is this cell in?
Isotonic
Hypertonic
Hypotonic
diffused
What type of solution is this cell in?
Isotonic
Hypertonic
Hypotonic
diffused
What type of solution is this cell in?
Isotonic
Hypertonic
Hypotonic
diffused
Other common examples of ion pumps include:
Proton (H+) Pumps
Aquaporins
Ionophores
K+ Leak Channels
Where does oxidative phosphorylation take place?
Cytosol
Matrix of mitochondria
Innermembrane of mitochondria
Intermembrane space of mitochondria
ATP synthesis by ATP synthase is driven by
H+ movement
electron movement
NADH movement
FADH2 movement
What are the final products of oxidative phosphorylation? (Pick more than 1)
NADH
ATP
CO2
H2O
H+ move down their concentration gradient by ___________ back into the matrix.
osmosis
facilitated diffussion
simple diffusion
active transport
The ETC makes water. To make this water, where do the hydrogen atoms come from?
glucose
pyruvate
NADH and FADH2
oxygen
Krebs Cycle occurs in the:
Inner membrane
Cytoplasm
Matrix
Oxidative phosphorylation uses _______________ to make ATP
electrons energy from glucose
electron energy from oxygen gas
electron energy from water
What makes more ATP
oxidative phosphorylation during ETC and ATP synthase
substrate level phosphorylation during glycolysis and krebs
Oxygen gas is a _____________ of cell respiration because it _______
reactant, replaces lost electrons from glucose
reactant, removes low energy electrons from the ETC chain
product, it the left over after the carbon chain releases its electrons
product, when water splits to give electrons, oxygen gas is the waste product
The head of a phospholipid is:
Hydrophobic
Hydrophilic
Polar
Nonpolar
The energy molecule that powers some modes of transport
ADP
ATP
AGP
ABP
What is the function of a carbohydrate in the cell membrane?
Transport
Cellular Recognition
Communication
Defence
Why is it important for all cells to maintain homeostasis?
Photosynthesis can only happen between 98-100 degrees
Necessary reactions happen within a narrow range of conditions
Necessary reactions happen within a broad range of conditions
Cellular respiration does not happen in all cells
This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?
the phosphate "head"
the lipid "tails"
This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?
the phosphate "head"
the lipid "tails"
Where can carbohydrates be found when part of a plasma membrane?
On the outside of the membrane
On the inside of the membrane
Embedded part of the way into the membrane
Embedded the whole way through the membrane
Small, non-polar molecules like CO2 and O2 and NO can pass through the cell membrane using what type of transport?
Diffusion
Osmosis
Facilitated Diffusion
Endocytosis
which of the following terms means the movement of water from high concentration to low concentration
diffusion
prokaryotes
osmosis
osmosis
Phagocytosis and pinocytosis are both forms of
endocytosis
exocytosis
The Na/K Pump moves Na & K ions across the membrane at a ratio of ___ Na : ___ K.
2:1
3:2
2:3
1:2
Molecules that need to come through channels into the cell are typically...
Polar
Hydrophobic
Non-Polar
Di-Atomic
Molecules that come through into the cell by simple diffusion are typically...
Polar
Hydrophilic
Non-Polar
Carbohydrates
Hydrogen ions are pumped from the __________ to the ___________.
matrix; intermembrane space
intermembrane space; matrix
matrix; cytoplasm
Intermembrane; cytoplasm
The final electron acceptor in electron transport chain is
NAD+
FAD
Oxygen
Water
ATP molecules are made by this process during the ETC.
Tinkerbell
Substrate Level Phosphorylation
Oxidative Phosphorylation
Photo-phosphorylation
Which of the following molecules is NOT a byproduct of cellular respiration?
CO2
Heat
H2O
ATP
As electrons travel down the electron transport chain, they release
ADP
Energy
ATP
Hydrogen ion
Which of the following is not true?
Cellular respiration...
happens only in animals.
results in 36-38 ATP.
converts food to energy.
consists of glycolysis, citric acid cycle, oxidative phosphorylation.
Where does the electron transport chain happen?
Matrix
Inner Membrane
Outer membrane
Cytoplasm
What is needed in the electron transport chain?
NADPH
ATP
Oxygen, NADH, FADH2
Water
Glycolysis occurs in the:
Inner membrane of Mitochondria
Cytoplasm
Matrix
Chemiosmosis is the use of energy to _______________________
set up a hydrogen ion gradient
to produce water
oxidize glucose
remove electrons from the ETC using oxygen gas
Which of the following processes creates the most ATP during aerobic cellular respiration?
glycolysis
fermentation
electron transport chain
Citric acid cycle
This process uses NADH and FADH2 to produce ATP
fermentation
glycolysis
krebs cycle
oxidative phosphorylation
What is the main job of the electron carriers in cellular respiration?
Transport electrons and hydrogen atoms to the electron transport chain
Capture energy throughout the process of cellular respiration
Provide the reactants for the process of cellular respiration
Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis
Transport that occurs directly across the cell membrane
Vesicular Transport
Active Transport
Facilitated Diffusion
Passive Transport
Most of the time you hear it is best to lower cholesterol. Why does the body need cholesterol?
To regulate the permeability of the cell membrane.
To control passage of materials in and out of the cell
So cells can recognize one another
So cells can talk to one another
