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Authored by Lisa Thompson
Science
11th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do enzymes speed up chemical reaction?
Increasing activation energy
Decreasing activation energy
Increasing deactivation energy
Decreasing deactivation energy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Small ions or non-protein moelcules that help amplify a signal during transduction
Protein phophatase
Protein kinase
Secondary messangers
Ligands
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cyclic AMP (cAMP) was an example of...
Protein phophatase
Protein kinase
Secondary messangers
Ligands
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A molecule respsonsible for phosphorylating intracellular signaling molecules
Protein phophatase
Protein kinase
Secondary messangers
Ligands
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A molecule respsonsible for de-phosphorylating intracellular signaling molecules
Protein phophatase
Protein kinase
Secondary messangers
Ligands
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the term for maintaining balanced internal environments
Set points
homeostasis
Positive feedback
Negative feedback
Tags
NGSS.HS-LS1-3
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