Author Question: I'm very important, says Nathan. I direct the growth of cells in the brain, and I secrete chemicals ... (Read 44 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
I'm very important, says Nathan. I direct the growth of cells in the brain, and I secrete chemicals to repair damaged cells. Kate says, Well, I'm special too. I receive messages from thousands of other cells, and my axon can conduct action potentials. Nathan is a ____ and Kate is a ____.
 
  a. dendrite; neuron
  b. dendrite; mitochondrion
  c. glial cell; neuron
  d. glial cell; mitochondrion

Question 2

Neurons have some similarities with other cells in the human body. Which characteristic is seen in neurons, but not in most other cells?
 
  a. having an outer membrane
  b. having a cell body with a nucleus
  c. having the ability to transmit signals to other cells
  d. having mitochondria to help generate energy



nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

ANSWER:
c

Answer to Question 2

ANSWER:
c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

For a complete list of videos, visit our video library