Biology

What are the signals that organisms interpret and respond too?

• Light

• Touch

• Chemicals

• All of the above

Tags

NGSS.MS-LS1-8

In which organisms did cell signaling first evolve?

• Multicellular eukaryotes

• Prokaryotes and single-celled eukaryotes

• Bacteria

• None of the above

Tags

NGSS.HS-LS4-2

Which of the following is not local cell signaling?

• Paracrine signaling

• Synaptic signaling

• Endocrine signaling

• Direct contact

Which of the following is not a stage of cell signaling?

• Response

• Translation

• Transduction

• Reception

GPCR stands for what?

• G Protein Coupled Receptor

• G Protein Coupled Reaction

• Giant Protein Coupled Receptor

• G Protein Cytosine Reaction

What is a kinase?

• An nonpolar molecule

• An actively transported ion

• A protein that transports ions across the membrane

• A enzyme that transfers phosphate groups

Which of the following are RTKs most used for?

• Energy production

• Muscle contraction

• Cell division and growth

• Transport of molecules

Tags

NGSS.HS-LS1-4

Which receptor acts as a gate?

• Ionization gate

• GCPR

• IGCR

• Ion channel receptors

What percent of all proteins are receptors?

• 30%

• 5%

• 20%

• 50%

What is not true about a signal transduction pathway?

• It amplifies the signal.

• The signal is usually passed with a change in shape of the proteins.

• It has less than 5 steps.

• There usually are relay proteins involved.