This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A _______ is a chemical messenger that has a specific regulatory effect on certain cells or organs. ... (Read 76 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jul 12, 2018
A _______ is a chemical messenger that has a specific regulatory effect on certain cells or organs.
 
  Fill in the blank(s) with correct word

Question 2

An action or influence that produces a reaction in a receptor and initiates a nerve impulse is a _______.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iceage

  • Guest
Reply #1 on: Jul 12, 2018
Answer to Question 1

hormone

Answer to Question 2

stimulus


stock

  • Member
  • Posts: 573
Reply 2 on: Jul 12, 2018
Gracias!

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Experimental evidence of the effect of allelochemicals on plant production. Experimental evidence of the effect of allelochemicals on plant production.
plant and animal cells when hypertonic and hypotonic plant and animal cells when hypertonic and hypotonic
Spider main organs Spider main organs
Normal Red Blood Cells Normal Red Blood Cells
Greenhouse Effect Greenhouse Effect
1.6 Organisms are made up of cells, each of which contains an identical set of genes. 1.6 Organisms are made up of cells, each of which contains an identical set of genes.
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library