WorksheetsBIOL 120 Unit 2 Review
Total questions: 25
Worksheet time: 13mins
What is a concentration gradient created by?
The amount of solute within a solution.
The similarity created in solute concentrations.
A difference created in solute concentrations.
In Diffusion, there is a ______ movement from high concentration regions to low concentration regions
no
net
reverse
slow
In Osmosis, what is moving across the membrane, and what direction does it move in?
Water; moving from low concentrations to high concentrations
Water; moving from high concentrations to low concentrations.
Solutes; moving from low concentrations to high concentrations
Solutes; moving from high concentrations to low concentrations
True or False: In a Hypertonic solution solute concentrations is higher outside the cell.
True
False
Channel Proteins that open and close at a signal is called:
Channel Protein Gates
Gates
Gated Channels
Carrier Proteins
Proteins that change shape to facilitate diffusion are called:
Diffusion Carriers
Carrier Proteins
Gated Proteins
Protein Chanels
Which of the following molecules with have the highest permeability across the membrane?
Glucose
H2O
O2
Cl-
Which of the following will have the lowest permeability across the membrane?
Glucose
O2
H2O
Cl-
T/F: Active transport proteins don't require ATP
True
False
We studied in the lab a variety of cells. If you looked into a microscope and saw a large, complex cell, with chromosomes condensed in a nucleus, you could assume this what kind of cell?
Prokaryotic
Eukaryotic
Yeast
None of these
The small nuclear DNA molecules in prokaryotic cells are called:
Ribosomes
Ribozymes
Plasmids
Polypeptides
The DNA in prokaryotes is:
Condensed
Un-condensed
Supercoiled
Loose
Ribosome manufacture:
Proteins
Lipids
Carbohydrates
Fats
Long filaments that rotate to propel the cell are called:
Fimbrae
Flagella
Cillia
Ciliate
The Smooth ER manufactures:
Lipids
Proteins
Fats
The side of the Golgi apparatus that faces the nucleus is called the ______ side ; the side that is towards the plasma membrane is called _______ side.
cis; trans
trans; cis
across; towards
Lysosomes are enzymes that are responsible for:
transporting molecules through the cell and out of the cell
hydrolyzing macromolecules for digestion and recycling
shipping and exporting cells to their target locations
tagging products to ensure they go where they are supposed to go.
Where does photosynthesis take place in a plant?
Stem cells
Chloroplasts
Mitochondria
Algae
What is the Endosymbiosis Theory and what bacteria were believed to be involved?
Bacteria were engulfed and a mutually beneficial relationship evolved
Bacteria were engulfed and a mutually beneficial relationship evolved; Mitochondria and Chloroplasts
Bacteria were engulfed and a mutually beneficial relationship evolve; DNA and ribosomes
Bacteria were engulfed and a mutually beneficial relationship evolved; all bacteria were involved.
The Rough ER synthesizes:
Proteins and Fats
Lipids and Fats
Proteins
Ribosomes
The function of the Golgi apparatus is:
Protein synthesis
Protein, Lipid, and carbohydrate processing
Storage, digestion, and recycling
ATP Production
How many membranes does the Mitochondria contain
1
2 (double)
3 (triple)
4 (quadruple)
What is the function of vacuoles?
ATP synthesis
digestion
structural support
Food and water storage
Which of the following are used for cell shape, cell movement, and plays a role in cytokinesis (the division of cells)?
Actin Filaments
Microtubules
Intermediate filaments
________ is a motor protein that walks along a microtubule through a series of conformational changes as it hydrolyzes ATP
Kinase
Kinesin
Vesicles
Cilia
