4.1-4.5 Cell Communication

What is cell communication critical for?

• function and fluiditiy

• survival and reproduction

• function and survival

• survival and to increase fitness

Which of the following is not a type of communication cells use?

• local signaling

• long distance signaling

• pathway signaling

• direct signaling

Communication through cell junctions is what type of signaling?

• direct

• local

• long distance

plant cells directly communicate through..

• gap junctions

• stomata

• plasmodesmata

• chloroplast

animals cell directly communicate through..

• plasmodesmata

• gap junctions

• adjacent cells

• paracrine signaling

A secreting cell that releases chemical messages that travel a short distance are known as..

• gap junctions

• inhibitors

• endocrine cells

• local regulators

Fill in the blank: Chemical messages will cause a __________ in a __________ cell

• cell, response

• target, respose

• response, target

• response, cell

The image depicts what type of signaling?

• direct signaling

• endocrine signaling

• paracrine signaling

• synaptic signaling

Answer explanation

paracrine signaling is when a cell release local regulators via exocytosis to a ADJACENT cell.

The image below best depicts what type of signaling?

• endocrine

• paracrine

• direct

• synaptic

Answer explanation

local regulators diffuse across the gap junction to cause a response in the target cell

What is used for long distance signaling in plants and animals?

• local regulators

• cofactors

• hormones

• neurotransmitters