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WorksheetsCell Communication
Total questions: 22
Worksheet time: 16mins
The word for when a chemical signal affects the same cell that released the signal?
(a)
What's the word for when:
a signal affects nearby cells.
(a)
The cell experiences growth and centrioles replicate during this phase of the cell cycle.
G1
S
G2
Prophase
When does DNA replicate during the cell cycle?
Prophase
G1
S
G2
When do cells prepare for cell division?
Interphase, G2
Interphase, S
Interphase, G1
Prophase
What are the results of signal transduction pathway?
gene expression
hormone secretion
repression of genetic activity
apoptosis
What is the guanine nucleotide exchange factor, that helps with the sensory system.
(a)
Which is the correct chain reaction?
Growth Factor, CDK activation, cyclin synthesis, cell cycle events
CDK activation, Growth Factor, cyclin synthesis, cell cycle events
Growth Factor, cyclin synthesis, CDK activation, cell cycle events
Cyclin synthesis, Growth Factor, cell cycle events, CDK activation
What is Rf?
distance pigment moved/ distance the solvent moved
distance the solvent moved/ distance pigment moved
What is phosphorylation?
The removal of one or more hydroxyl groups from a chemical compound.
the chemical breakdown of a compound due to reaction with water.
the removal of a phosphate group from an organic compound by hydrolysis.
gives P from Phosphorylase to break glycogen into glucose. Ligand causes receptor to change shape.
ATP ⟶ CAMP ⟶ AMP
Adenyl Cyclase, Phosphodiesterase
Phosphodiesterase, Adenyl Cyclase
What two words describe the arrow?
ATP + Protein
⟶ ADP + phosphorylated protein
(a)
What is the term related to:
small or non-polar ligands that can diffuse across the phospholipid bilayer of the cell membrane and enter the cell.
(Hint: 2 word response)
(a)
Protein Kinase receptors change shape upon ligand binding
True
False
What is the term for when:
a substance moves from the side of the membrane where its conc. is higher to the side where its conc. is lower.
Active Transport
Passive Transport
Facilitated Diffusion
Osmosis
All types of cell communication have the same effectiveness (Ex: speed/distance).
True
False
CDKs:
regulate the timings of cell cycle phases
regulate metabolic reactions
stimulate leukocytes
activate lysosomes
