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
Stels [109]
3 years ago
13

A molecule that moves across a cell membrane without using the cell’s energy tends to move A. away from the area of equilibrium.

B. away from the area where it is less concentrated. C. away from the area where it is more concentrated. D. toward the area where it is more concentrated.
Biology
1 answer:
DENIUS [597]3 years ago
5 0

Answer:

C. away from the area where it is more concentrated.

Explanation:

If a molecule is moving across a cell membrane w/o using the cell's energy, it is diffusion, which is defined as the movement of a substance from higher to lower concentration. Diffusion <em>never </em>requires energy, whether it is facilitated or not, as clustered molecules and/or atoms simply want to get the heck away from each other if in too high concentration in a single place. The type of molecular movement across a cell membrane that would require the cell's energy would be active transport, which often requires ATP or GTP and works against a concentration gradient.

Cheers.

You might be interested in
What is a functional protein; it makes or breaks a<br> chemicalbond?
GREYUIT [131]

Answer:

Makes

Explanation:

4 0
4 years ago
What have you learn about atoms and the universe
igor_vitrenko [27]

Answer:

Atoms are the basic units of matter and the defining structure of elements. The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided. We now know that atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks.

Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei. This all took place within the first few minutes of the universe's existence

4 0
3 years ago
Which of the five factors that can lead to evolution would operate on a change in body color that enabled animals to better hide
jarptica [38.1K]
D.Gene Flow or B.Genetic Drift! Because most of the time, its genetics or genes!
7 0
3 years ago
ENGLISH HELP 20 POINTS PLEASE FIX THE COMMAS AND PUNCTUATION PROBLEMS IN THIS PASSAGE.
frozen [14]

Freedom is the power or right to act, speak, or think as one wants, and African Americans believe the same. In the article “What Does Freedom Mean for Black America?”, they are telling us their definition of freedom and that they want equality.

From this quote in the article they say, “The answers to our questions lie within our hands. Our country will only become as good and as strong as our leadership. Our country will only become as just and as equal as each and every citizen wants it to become. We must each own our individual contributions to our current reality, however big or small, and embrace our collective power to change it. We must stand in the gap.”

African Americans define freedom based on equality because all of the things that are happening in the world right now due to police brutality and they do absolutely nothing to receive harsh treatment like being beaten, shot, and sometimes even worse than those. In the article they bring up many people who were killed and shot, like Trayvon Martin who was killed for wearing a hoodie to purchase some skittles or Eric Garner who was being choked up for nothing and shouting he can’t breathe and they wouldn’t stop. In the article they talk about African Americans being arrested for doing nothing, they are encouraging us as people to let our voices be heard, to not be afraid to speak up about something, with all this hate going on in the world we need to come together as one.

Another quote from the passage that tell us to stand together they state, “Now is the time for meaningful dialogue on the meaning of our country’s history of institutionalized racism. Now is the time to stand together in solidarity and challenge one another to transcend divisive ideologies. Now is the time to explore the root causes of our racial fears and unearth the drivers of our implicit biases.” True freedom, according to this article, is equality and speaking your mind and making a change in present day for more diversity and a difference on police brutality to black people.


8 0
3 years ago
Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two
Nadya [2.5K]
A. light energy, above the arrow

<span>Photosynthesis is a process wherein light energy is converted into chemical energy. </span>
Components of photosynthesis:
Water
Carbon Dioxide
Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur. 


6 0
3 years ago
Other questions:
  • A chemical signal produced in the pituitary gland at the base of the brain binds to a receptor on liver cells. This signal would
    9·1 answer
  • Which of the following personal health practices should a person follow to prevent heart diseases?
    8·1 answer
  • 70 points if you can answer all the questions, plus brainliest, thanks, rating, etc!
    12·1 answer
  • What is The complement system is a barrier of the immune system.
    14·1 answer
  • Which is a member of the domain Eubacteria?
    12·2 answers
  • 6.) Water is essential to all living things. Discuss THREE properties of water
    9·2 answers
  • in an ecosystem, the growth and survival of organisms are dependent on the availability of the energy from the sun. this energy
    10·1 answer
  • E. Complex carbohydrates found in plants include<br> ______ and _____
    8·1 answer
  • One tool scientists use to learn about the weather is radar. To use radar, a weather tower sends out radio waves and then detect
    8·2 answers
  • How does adding and removing heat energy to water affect it’s temperature?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!