AP Biology Unit 09 Quiz 01 Cell Communication

True/False: All cell signaling is a one step process.

• True

• False

Tags

NGSS.HS-LS1-3

Which of the following represents a signaling molecule that acts long-distance?

• hormone

• saccharide

• second messengers

• neurotransmitter

Which of the following represents the correct sequence of events involved in signal transduction?

• reception, response, transduction

• transduction, reception, response

• response, reception, transduction

• reception, transduction, response

What is a molecule that specifically binds to another molecule called?

• modulator

• ligand

• hormone

• neurotransmitter

True/False: steroid hormones (non-polar/hydrophobic molecules) can passively diffuse across membranes.

• True

• False

Steroid hormones often bind to which type of molecules to start their interaction with DNA?

• ligands

• DNA polymerase

• transcription factors

• relief factors

Which of the following is a benefit regarding multistep pathways?

• they decrease the magnitude of the response

• they decrease the level of control over the response

• they decrease the speed of a response

• they increase the magnitude of the response

Which of the following best describes the roles of protein kinases?

• add phosphate groups to proteins

• add kinase groups to proteins

• remove kinase groups to proteins

• remove phosphate groups from proteins

Which of the following terms describes cell-induced death?

• apocalypse

• makelysis

• apoptosis

• shinimasu

What is it called when you add energy to a molecule via the addition of a phosphate

• energization

• phosphorylation

• phosphorylase