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
Marysya12 [62]
3 years ago
15

4. Does simple diffusion require an input of energy?

Biology
1 answer:
Sedbober [7]3 years ago
7 0

Answer:

no

Explanation:

Simple diffusion does not require energy or need the assistance of a transport protein. Other larger or charged molecules that diffuse across a membrane may need assistance from a protein.

You might be interested in
PLZ HELP!!!!!!!!
bixtya [17]

The correct answer is option C, that is, both vitamin C and zinc are involved in immune system functions.  

Vitamin C is an important vitamin, which does an essential function in wound healing, immunity, and eye health. On the other hand, zinc refers to a dietary mineral, which also helps in immunity, protects the eyes from vision-robbing ailments, and also helps to heal wounds.  


4 0
3 years ago
Ecological succession is not important to the survival of ecosystems. true or false?
Leokris [45]

its Falseeeeeeeeeeeeeeeeeeeeeeeeeeeee

6 0
3 years ago
Read 2 more answers
What is haemoglobin<br>anyone wanna t.al.k​
Sauron [17]

Answer:

Haemoglobin (Hb) is a protein present in red blood cells that transports oxygen and gives blood its dark/vivid red color. The amount of haemoglobin in the blood varies from person to person. Men's levels are often greater than women's. This is scientifically proven however, it is often but not all the time.

8 0
2 years ago
Read 2 more answers
what evidence do scientist find in the fossil record that suggests there was a big extinction event that occurred 66 million yea
Svet_ta [14]

Scientists continuously find fossilized bodies of dinosaur bones that all appear to have died the same way.  It is because of these discoveries that we know that dinosaurs and other pre-historic species existed on Earth 66 million years ago.  

4 0
3 years ago
_________ are organisms that have had their genetic information modified in a way that does not occur naturally.
Elza [17]
Genetically modified organisms. (GMO)
4 0
2 years ago
Other questions:
  • Which stage of the cell cycle precedes cytokinels
    10·1 answer
  • According to the theory of the supercontinent cycle, what will probably occur in the future?
    5·2 answers
  • The structure of hemoglobin consists of ____________ chains. two of the chains are ____________ and two are beta proteins. each
    7·1 answer
  • I'll give u a branliest if correct... nd don't just take the points
    6·1 answer
  • Which of the following is an example of natural selection? During an especially cold winter, brown squirrels that had thick coat
    11·1 answer
  • An artist is reviewing plans for a granite statue. The statue will be displayed outdoors. How could the plans be revised to redu
    6·1 answer
  • The athletic trainer's role is always supplemental to the physician's course of action.
    12·1 answer
  • An egg, a model of a cell, is placed in a concentrated sugar solution (hypertonic) for 24 hours.
    12·2 answers
  • What atmospheric condition caused London's "killer smog of 1952 and regularly causes smog
    11·1 answer
  • Please help, will give brainliest !!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!