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
Licemer1 [7]
3 years ago
9

The cell is taking in substances through membrane proteins, without any energy expenditure of its own. The substances naturally

follow their concentration gradient. However, they must go through the protein channels, because they are too large to squeeze through the cell membrane. This process is called A) osmosis. B) endocytosis. C) active transport. D) facilitated diffusion.
Biology
1 answer:
Serga [27]3 years ago
8 0
Protein channels + no energy spent + following concentration gradient = passive transport via facilitated diffusion :)
You might be interested in
1). Mammals carry hemoglobin and oxygen in their red blood cells to help the blood circulate in the different parts of their bod
Sonbull [250]

Answer:

In mammals, oxygen is carried through the red blood cells called hemoglobin. The reason is that the oxygen is very important for the cell for releasing energy. This energy is used by the cell in different processes.

2) These adaptations are adapted by the organisms in order to perform different functions. In slow twitch skeletal muscles having high number of mitochondria because it requires more energy while fast twitch skeletal muscles contains less amount of mitochondria due to low requirements of energy. These characteristics are adapted according to the performance of the body parts.

4 0
3 years ago
Which statement accurately describes a relationship between two parts of the universe?
Veseljchak [2.6K]

The statement '(a) there are billions of galaxies in a galaxy cluster' accurately describes a relationship between two parts of the universe.

<h3>What is the solar system?</h3>

The solar system can be defined as a group of billions of galaxies that form a cluster due to gravitational forces that maintain all these celestial bodies linked together. This system contain our Sun.

In conclusion, the statement '(a) there are billions of galaxies in a galaxy cluster' accurately describes a relationship between two parts of the universe.

Learn more about galaxy clusters here:

brainly.com/question/955851

#SPJ1

8 0
1 year ago
What of the following is ordered from LARGEST to SMALLEST? Select one: a. virus, mitochondrion, hemoglobin, glucose, water molec
choli [55]

Answer:

c. mitochondrion, virus, hemoglobin, glucose, water molecule

Explanation:

The mitochondrion is a membrane which is found in cytoplasm of eukaryotic cells. It is also known as power house of cells. This is largest from virus, hemoglobin, water molecule and glucose.

Virus is second largest and is small infectious agent. It has capability to infect many organisms and living cells. Hemoglobin is protein which is present in red blood cells. Glucose is a type of sugar presence in the blood. Water molecule is composed of hydrogen and oxygen and is smallest among the others.

3 0
3 years ago
The reduction of a molecule is classified as what type of reaction?
ANEK [815]

explosion.......................... >:(

4 0
3 years ago
Which state of matter has particles that slide past each other while remaining in contact?
vivado [14]
I haven't taken biology since my freshman year of high school, so this is kind of a guess. But I know for sure it isn't a solid. So I would go with a gas.
3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the critical assumption used in carbon-14 dating?
    9·1 answer
  • A scientist is developing a computer model to determine the maximum population size, or carrying capacity, of eagles and other b
    5·1 answer
  • In prokaryotes , most cells have a single ___________ that contains all the genetic material.
    13·1 answer
  • What is this answer please
    6·1 answer
  • 18. Identify the term that correctly identifies the sentence.
    9·1 answer
  • If an atom loses a neutron, what happens to the overall
    10·1 answer
  • 5.
    5·1 answer
  • A solute is the: 100 POINTS
    14·1 answer
  • Which two body systems 4 to expel the waste product carbon dioxide? urinary system nervous system excretory system circulatory s
    12·1 answer
  • What is the most likely result of the chemical reaction represented by this equation?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!