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
mr_godi [17]
3 years ago
15

Which of the following does not rely on active transport to cross the cell membrane? A.calcium ions B.water molecules C.potassiu

m ions D.sodium ions
Biology
1 answer:
shepuryov [24]3 years ago
8 0

i think it is b becuase it gives a lot of infor mation

You might be interested in
Most of the enzymes used as molecular scissors are known as restriction enzymes. What is the reason for this name?
kicyunya [14]
Because when you put a part of the DNA and take it out, you can restrict an ability of that cell. When you cut out a piece of DNA from a pancreas beta cell that codes for insulin synthesis, you restrict the cells ability to make insulin, hence the name "restriction enzyme". I hope this is the answer that you are looking for and it comes to your help.
5 0
3 years ago
Describe two potential biological risks of large scale cultivation and use of such genetically modified plants
expeople1 [14]
Risk of large scale production:
1. With an increase in production, there can become managerial problems. Workers can become lax, making of decisions become difficult and communication between workers become hard.
2. A large scale operation, needs technical tools like machines. Finance to buy machines can become a problem and hamper growth.

Risk of Genetically modified plants
1. They can become contaminants. The cross pollinated plants and seeds can travel, and contaminate the gene pool. Thereby, threatening future generations of plants.
2. They can produce side effects. Engineered plants, can lead to development of new toxins, carcinogens and deficiencies of nutrition.
6 0
3 years ago
How do most paramecia reproduce? A. asexually B. sexually C. both asexually and sexually
frez [133]
Both asexually and sexually
3 0
3 years ago
Help ASAP , easy 15 points and a brainly for the first one to reply , just answer the 2 questions
san4es73 [151]
The first one is the 3rd option and the 2nd one is also the 3rd option
4 0
3 years ago
What is an ecological system called that consists of all of its biotic and abiotic factors? A. Community B. Ecosystem C. Habitat
Viefleur [7K]

Answer: The correct answer is- B) Ecosystem.

Ecosystem can be described as a group of living organisms present in a particular area that are interacting with each other as well as the non living components of that environment.

In other words, it is the interaction between biotic ( living such as plants and animals) and abiotic ( non living such as temperature, air, water) components of an environment.

Example- Pond ecosystem, lake ecosystem.

6 0
3 years ago
Read 2 more answers
Other questions:
  • In order for cellular respiration to occur, oxygen and __________ are necessary. glucose atp carbon dioxide water
    8·1 answer
  • An asteroid is a celestial body. A large number of asteroids form a doughnut-shaped ring in space called the main asteroid belt.
    13·1 answer
  • In which layer does the tempature of the earth has the least amount of heat?
    13·1 answer
  • Your significant other is an amazing chef. When you come home from lecture, the smell of whatever she or he is cooking makes you
    8·1 answer
  • The more energy a place receives the more colder it is true or false
    14·2 answers
  • 1. How could you test to see if an enzyme was completely depleted during an experiment?
    6·1 answer
  • 1. Genetic engineers can transfer from one organism to another.
    6·1 answer
  • Invasive species are one of the major threats to blodiversity. These species multiply quickly and compete with native species fo
    6·1 answer
  • The genome is _______ the genome size.<br><br> A. larger than<br> B. smaller than<br> C. equal to
    7·2 answers
  • Please i need this NOW lkjsadfljasvjlijocj
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!