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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
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Type of diffusion that occurs with the help of a protein is called
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Answer:

<h2>Facilitated diffusion .</h2>

Explanation:

1. Diffusion: it  is the net passive movement of particles from  higher concentration to lower concentration. Diffusion continues until the concentration of substances is equal through out.

 

2. Facilitated diffusion: is the  process of passive transport of molecules or ions across a biological membrane and requires (via) a specific carrier protein.

3. Facilitated diffusion is passive type and require specific protein and it  requires no energy from the cell.  

4. It requires specific proteins through which molecules move from one side to another.

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3 years ago
Which group of mollusks includes animals that are well-adapted to rapid swimming in the pelagic zone of the ocean, with streamli
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Answer:

Cephalopods

Explanation:

Cephalopods are mollusk of the class Cephalopoda, which includes squid, cuttlefish, octopus, nautiloids etc. Cephalopods are invertebrate marine animals that possess streamlined soft bodies, a large head and eyes, and numerous feet (called arms or tentacles) which is about eight or ten in most forms but about 90 in Nautilus. There are several species (about 800) of Cephalopods. Cephalopods have a more oxygen-efficient closed circulatory system, and they are well-adapted to fast swimming in the pelagic zone of the ocean.

4 0
4 years ago
The ___ in the limbic system stores and stores new information.
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Answer:

A

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it is the formation of new memories and also associated with learning and emotions.

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3 years ago
The branch of biological science that studies the external and internal structure of the body and the physical relationship amon
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The branch of biological science that studies the external and internal structure of the body and the physical relationship among body parts is called ___Anatomy_____.
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Since the 1950s, most mental health hospitals have emptied as a result of the introduction of effective
-Dominant- [34]

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Drug therapies and community-based treatment programs

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Before the 1950s there was more of an institutionalization approach and they didn't have an alternative for many patients. They had some success with psychotherapy but not nearly as much as we have today. But when they introduced new drug therapies and added community-based treatment programs many mental health hospitals were not filled with patients anymore. Many serious problems were now kept under control with simple pills and a good treatment program.

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