UCI Bio 93 Midterm 1 Prep Test Questions With
100% Verified Solutions
Active Transport - ANSWER When a cell uses energy to pump a
solute across a membrane.
Lyse - ANSWER Burst
Phagocytosis - ANSWER A cell engulfs a particle
Pinocytosis - ANSWER a cell continually "gulfs" droplets of
extracellular fluids into tiny vesicles.
Isotonic Solution - ANSWER
Have Direct passage through the lipid bilayer - ANSWER
Steroids, small hydrocarbons, nonpolar molecules, gases like
CO2, O2
Needs transport proteins - ANSWER Hydrophilic, charged ions,
larger molecules
-Specific Transport protein for every substance.
Channel - ANSWER
Carrier Protein - ANSWER
All transport proteins involved in active transport are
______________ - ANSWER Carrier proteins
Sodium Potassium Pump - ANSWER
, Takes in 3 Na, Then an ATP gives a phosphate, then Na is
released and 2 K are taken into cell. - ANSWER Sodium
Potassium Pump
What is ATP after giving up a phosphate - ANSWER ADP
Co-Transporter - ANSWER
Endocytosis - ANSWER Vesicle is former from plasma
membrane, bringing external molecules inside cell
Exocytosis - ANSWER Internal membrane vesicle fuses with
plasma membrane, releasing molecules to outside
3 types of endocytosis - ANSWER Phagocytosis, Pinocytosis,
and Receptor-Mediated Endocytosis
LDL - ANSWER Low Density Lipoproteins
HDL - ANSWER High Density Lipoproteins
LDL Connects to ______, then _____ connects to the receptors,
then ______ connects to the adaptin. - ANSWER LDL
Receptors, Adaptin, Clathrin
What Organelle creates ATP - ANSWER Mitochondria
The sites of photosynthesis in plant cells - ANSWER
Chloroplasts
Process that converts sunlight into sugars for the plant -
, ANSWER Photosynthesis
Cristae - ANSWER Inner membrane of mitochondria
Flattened interconnected sacs in Chloroplasts - ANSWER
Thylakoids
A Stack of thylakoids - ANSWER Granum
Fluid outside thylakoids that contains Chloroplast
DNA/Ribosomes - ANSWER Stroma
A specilized metabolic compartment bounded by a single
membrane. - ANSWER Peroxisome
A network of fibers extending throughout the cytoplasm -
ANSWER Cytoskeleton
Obvious function of the cytoskeleton - ANSWER Support and
maintain the shape of the cell
Cell motility - ANSWER changes in cell location and movement
Interacts with the cytoskeleton to help it move - ANSWER Motor
Proteins
Fibers that make up cytoskeleton - ANSWER Microtubules,
Microfilaments, Intermediate Filaments
Which cytoskeleton fiber is the thickest? - ANSWER
Microtubules
What cytoskeleton fiber is the thinnest? - ANSWER
100% Verified Solutions
Active Transport - ANSWER When a cell uses energy to pump a
solute across a membrane.
Lyse - ANSWER Burst
Phagocytosis - ANSWER A cell engulfs a particle
Pinocytosis - ANSWER a cell continually "gulfs" droplets of
extracellular fluids into tiny vesicles.
Isotonic Solution - ANSWER
Have Direct passage through the lipid bilayer - ANSWER
Steroids, small hydrocarbons, nonpolar molecules, gases like
CO2, O2
Needs transport proteins - ANSWER Hydrophilic, charged ions,
larger molecules
-Specific Transport protein for every substance.
Channel - ANSWER
Carrier Protein - ANSWER
All transport proteins involved in active transport are
______________ - ANSWER Carrier proteins
Sodium Potassium Pump - ANSWER
, Takes in 3 Na, Then an ATP gives a phosphate, then Na is
released and 2 K are taken into cell. - ANSWER Sodium
Potassium Pump
What is ATP after giving up a phosphate - ANSWER ADP
Co-Transporter - ANSWER
Endocytosis - ANSWER Vesicle is former from plasma
membrane, bringing external molecules inside cell
Exocytosis - ANSWER Internal membrane vesicle fuses with
plasma membrane, releasing molecules to outside
3 types of endocytosis - ANSWER Phagocytosis, Pinocytosis,
and Receptor-Mediated Endocytosis
LDL - ANSWER Low Density Lipoproteins
HDL - ANSWER High Density Lipoproteins
LDL Connects to ______, then _____ connects to the receptors,
then ______ connects to the adaptin. - ANSWER LDL
Receptors, Adaptin, Clathrin
What Organelle creates ATP - ANSWER Mitochondria
The sites of photosynthesis in plant cells - ANSWER
Chloroplasts
Process that converts sunlight into sugars for the plant -
, ANSWER Photosynthesis
Cristae - ANSWER Inner membrane of mitochondria
Flattened interconnected sacs in Chloroplasts - ANSWER
Thylakoids
A Stack of thylakoids - ANSWER Granum
Fluid outside thylakoids that contains Chloroplast
DNA/Ribosomes - ANSWER Stroma
A specilized metabolic compartment bounded by a single
membrane. - ANSWER Peroxisome
A network of fibers extending throughout the cytoplasm -
ANSWER Cytoskeleton
Obvious function of the cytoskeleton - ANSWER Support and
maintain the shape of the cell
Cell motility - ANSWER changes in cell location and movement
Interacts with the cytoskeleton to help it move - ANSWER Motor
Proteins
Fibers that make up cytoskeleton - ANSWER Microtubules,
Microfilaments, Intermediate Filaments
Which cytoskeleton fiber is the thickest? - ANSWER
Microtubules
What cytoskeleton fiber is the thinnest? - ANSWER
