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
Mrrafil [7]
3 years ago
11

The movement of matter across a cell membrane against a concentration difference is called active transport , and it requires?

Biology
1 answer:
KIM [24]3 years ago
5 0
It requires cellular energy
You might be interested in
Hi friends i need ur help!! asap
Lelu [443]
With what?
What do you need help with
8 0
3 years ago
Read 2 more answers
As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two
Korolek [52]

Answer:

DNA replication is initiated by the help of these enzymes.

Explanation:

Helicase enzyme helps is unwinding the two complementary strand of DNA by hydrolysing the hydrogen bonds present between the nitrogenous bases of the two opposite strands.

Topoisomerase enzyme help in expansion of the Replication bubble by releasing the super coiling or tension occured while unwinding by helicase. It breaks the phosphate bonds in one of the two strands ahead of replication bubble or fork to release super coiling or overwinding.  

Single-strand binding proteins gets bind to the separated strands to stabilize the structure of Replication bubble or to keep the both strand separated from each other.

4 0
3 years ago
Sb-35 how does alcohol use affect boat operators or passengers?
Marina86 [1]
The use of alcohol by the operator can have an effect in operational safety of the vessel and that would include the crew as well as the passengers. Hope this is the right answer and would be of big help.
4 0
3 years ago
Read 2 more answers
What conditions account for the development of highly diverse habitats in coastal waters?
kirza4 [7]
<span>I think for the most part, the warmth of the waters determine what lives in them. In warmer coastal waters, you are going to find coral reefs that provide homes to millions of species of fish and micro-organisms.</span>
4 0
3 years ago
What do hypothesis, theories, and laws have in common?
Inga [223]
They are all formed from data, predictions and observations.
7 0
3 years ago
Other questions:
  • Ribosomal RNA is produced by (a)lysosomes (b)nucleoli (C)mitochondria (d)Golgi bodies
    6·1 answer
  • An operon encodes enzymes for making an essential amino acid and is regulated like the trp operon. Which of the statements is tr
    14·2 answers
  • Evolutionarily, as animals increased in complexity, their nervous tissue began to cluster together. In active animals, the tissu
    15·1 answer
  • How much time is needed to form most fossils? a few months a few years hundreds of years millions of years
    6·2 answers
  • QUICK! pls and thanks so much! (will mark brainliest and 20 pts)
    8·1 answer
  • What are the two main divisions of the peripheral nervous system?
    15·2 answers
  • PLEASE HELP ME ASAP !!
    14·1 answer
  • After a successful launch and return of a rocket, NASA and SpaceX noticed a strange gel like substance on the wing. Under the mi
    13·1 answer
  • How do the greenhouse gases affect glaciers?
    13·1 answer
  • Please help its worth 50 points
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!