« previous next »

Author Question: What happens when a neurotransmitter is released by a presynaptic cell? a. It causes calcium to ... (Read 60 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jun 22, 2018
What happens when a neurotransmitter is released by a presynaptic cell?
 
  a. It causes calcium to rush into the presynaptic neuron.
 b. It causes calcium to rush into the postsynaptic neuron.
 c. The neurotransmitter passively spreads across the synaptic cleft.
 d. The neurotransmitter is actively transported across the synaptic cleft.

Question 2

In comparison to activating effects, organizing effects of hormones take place ____.
 
  a. later in life and produce more long-lasting effects
  b. later in life and produce more temporary effects
 c. earlier in life and produce more long-lasting effects
  d. earlier in life and produce more temporary effects


juicepod

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Cell Cell
A Human Cell A Human Cell
Time course and phases of a nerve cell going from resting potential to action potential Time course and phases of a nerve cell going from resting potential to action potential
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria. The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria.
cell cell
A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus. A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus.
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library