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
Damm [24]
3 years ago
15

The cytoplasm of animal cells has a concentration of potassium ions (K+) as much as 20 times higher than the concentration outsi

de the cell. How do cells move potassium ions against a concentration gradient, from a lower concentration to a higher one?
A. facilitated diffusion
B. Active transport
C. Osmosis
D. Diffusion
Biology
1 answer:
Nataly [62]3 years ago
7 0
<span>Active transport means</span><span> moving against a concentration gradient, from a lower concentration to a higher one</span>
You might be interested in
11. By what process do streams and rivers move material?
Sunny_sXe [5.5K]

Answer:

Erosion

Explanation:

Weathering is the travel from wind that leads to things being in new places like seeds.  

Infiltration is adding things in to something, such as adding salt to water.

3 0
3 years ago
Read 2 more answers
Klinefelter syndrome in humans leads to underdeveloped testes and sterility. this is caused by which chromosomal condition?
Anuta_ua [19.1K]
Klinfelters syndrome is when there is an extra X chromosome in males.

So instead of the normal sex chromosomes for males (XY), a male with klinefelters syndrome will have XXY.

I have included a pic of the karyotype to give you a better idea of what I'm talking about.

Hope this helps! I'm happy to help with any other questions you might have :)

4 0
3 years ago
Gene splicing is used to produce what
kotykmax [81]
 to allow single-celled<span> organisms to produce useful products</span>
5 0
3 years ago
PLEASE HELP ME!
olchik [2.2K]

The correct answer is option C) A wet spring before vegetation is growing. A lack of roots holding soils and sediments together and an over-abundance of water can result in mass movements.

5 0
3 years ago
Read 2 more answers
Which rocks are examples of organic sedimentary rock?
zmey [24]

Answer:

Limestones and coal are the types of rocks which are the example of organic type of sedimentary rocks.

Explanation:

These rocks are made from organic compounds that are dead remains of plants and animals. These are also known as fossil fuels. These takes a lot of time to be formed by the pressure of Earth. These rocks do not have much calorific value if they are burnt. Limestone can be used for many purposes like in buildings or any other infrastructure.

Coals are classified as non-renewable source of energy. Non-renewable source of energy is used once and take millions of years to be formed again. This fuels also cause air pollution which is harmful for humans and plants.

3 0
3 years ago
Other questions:
  • What did omosis great great grandpappy fight
    10·1 answer
  • A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. The resistance
    10·2 answers
  • Agile methods in science engineering take which of the following approaches towards creating solutions?
    8·1 answer
  • Explain how carbon is transferred within and between organisms and the environment.
    6·2 answers
  • PLEASE ANSWER ASAP!!
    15·2 answers
  • A gene is best defined as A) any random segment of DNA. B) three nucleotides that code for an amino acid. C) a sequence of nucle
    12·1 answer
  • Does online quiz help you to study for exam
    5·2 answers
  • How do organ cultures differ from cell cultures
    14·2 answers
  • A labradoodle is a cross between?
    7·2 answers
  • What is the difference between multicellular organism unicellular organisms? Give an example of each.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!