WorksheetsAP Bio Cell Communication
Total questions: 15
Worksheet time: 15mins
Immune cells, specifically Antigen presenting cells, was an example of which type of communication
Direct contact
Local signaling (paracrine)
Long distance signaling
Local signaling (synaptic)
Seritonine is a neurotransmitter that is extremley important for healthy sleep. This is an example of which type of communication
Direct contact
Local signaling (paracrine)
Long distance signaling
Local signaling (synaptic)
A popular product for fruit and vegetable fans are 'Debbie green bags' which can be purachsed almost anywhere. Produce is placed in a bag that allows for the escape of ethylene gas, a hormone released by plants to ripen other nearby produce. This is an example of what type of communication?
Direct contact
Local signaling (paracrine)
Long distance signaling
Local signaling (synaptic)
Hormones released in the bloodstream is an example of what type of cell communication?
Direct contact
Local signaling (paracrine)
Long distance signaling
Local signaling (synaptic)
Small ions or non-protein moelcules that help amplify a signal during transduction
Protein phophatase
Protein kinase
Secondary messangers
Ligands
Cyclic AMP (cAMP) was an example of...
Protein phophatase
Protein kinase
Secondary messangers
Ligands
A molecule respsonsible for phosphorylating intracellular signaling molecules
Protein phophatase
Protein kinase
Secondary messangers
Ligands
A molecule respsonsible for de-phosphorylating intracellular signaling molecules
Protein phophatase
Protein kinase
Secondary messangers
Ligands
A molecule that is recieved by either a membrane bound or intracellular receptor. Also known as a messenger
Protein phophatase
Protein kinase
Secondary messangers
Ligands
When the effects of a stimulus is reduced this is known as
Set points
homeostasis
Positive feedback
Negative feedback
When the effects of a stimulus is enhanced this is known as
Set points
homeostasis
Positive feedback
Negative feedback
Which of the following is an example of autocrine signaling in cell communication?
A) A cell releasing a hormone that acts on itself
B) A neuron releasing neurotransmitters to a neighboring neuron
C) A plant releasing ethylene gas to affect nearby plants
D) An immune cell presenting an antigen to another immune cell
In a signal transduction pathway, what role does a ligand play?
A) It deactivates the receptor
B) It acts as a secondary messenger
C) It binds to a receptor to initiate a response
D) It phosphorylates proteins
Which of the following best describes the role of G-protein coupled receptors in cell communication?
A) They directly phosphorylate proteins
B) They act as ion channels
C) They activate G-proteins to trigger a signaling cascade
D) They degrade signaling molecules
In an experiment, a researcher observes that a certain hormone affects only nearby cells. What type of signaling is this?
A) Endocrine signaling
B) Paracrine signaling
C) Autocrine signaling
D) Synaptic signaling
