1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Karolina [17]
3 years ago
8

When can a cell transport a molecule across the cell membrane without expending energy?

Biology
1 answer:
butalik [34]3 years ago
6 0
When the concentration gradient of such molecules is high on the either the cytoplasmic side or the extracellular side of the cell. When the concentration gradient is high it flows freely through the cell membrane to the other side without expanding energy.

Hope i helped!
You might be interested in
Antibiotics are prescribed for a child with otitis media who underwent a myringotomy with insertion of tympanostomy tubes. The n
saw5 [17]

Answer:

The preferable option will be - 1.

1. "Administer the antibiotics until they are gone."

Explanation:

  • A myringotomy is the insertion of tympanoplasty tubes into the middle ear to promote drainage of purulent middle ear fluid, equalize pressure, and keep the ear aerated.
  • The nurse must instruct parents regarding the administration of antibiotics.
  • Antibiotics need to be taken as prescribed, and the full course needs to be completed.
  • The parents should complete the full course antibiotic therapy.

4 0
3 years ago
Which structure is the initial entry way for air to enter the respiratory system?
Alexxx [7]
It is the nose I think.
6 0
2 years ago
PLEASE HELP ME! I WILL REWARD BRAINLIEST IF TWO PEOPLE ANSWER!!!!!!!
Rudik [331]
While RNA was synthesized
6 0
3 years ago
Read 2 more answers
Many similar specialized cells working together make up an?
leonid [27]
<span> it makes a tissue: a group of similar cells that work together to perform a specific job in the body.</span>
4 0
3 years ago
Why is it important to have extra membrane space? What occurs here?
Blababa [14]

Answer:

The inner or cytoplasmic membrane, impermeable to polar molecules, regulates the passage of nutrients, metabolites, macromolecules, and information in and out of the cytoplasm and maintains the proton motive force required for energy storage.

Explanation:

5 0
2 years ago
Other questions:
  • The nurse observes a client in a group who is reminiscing about his past. which effect should the nurse expect reminiscing to ha
    9·1 answer
  • Why do enzymes generally only bind to one type of substrate?
    10·1 answer
  • In chickens, rose comb (R) is dominant to single comb (r). A homozygous rose-combed rooster is mated with a single-combed hen. A
    11·1 answer
  • How are models used
    8·2 answers
  • If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result? Less water would be av
    13·2 answers
  • The monthly income of a person is RS15000. He
    9·1 answer
  • True or false?
    14·2 answers
  • What was the procedure during the first successful vaccination?
    5·2 answers
  • How many atoms are In 2C2S3
    15·1 answer
  • What is the formula of fermentation?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!