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Nikitich [7]
3 years ago
14

1

Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

A

Explanation:

Photosynthesis uses carbon dioxide and water to produce energy.

Hope this helps! :)

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During photosynthesis charged electrons move through a chain of proteins called
garik1379 [7]

I think it's lights-dependent reaction

Explanation:

Because the light dependent reaction use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier nadph in Plants, the light reaction take place in the thylakoid membranes of organelles has called chloroplast.

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An important protein in the activation of the alternative pathway of complement activation is
GalinKa [24]

Answer:

The correct answer is Cb3 protein.

Explanation:

The alternative pathway of complement is the immune system's natural defense system against any infectious agent. It is one of the 3 complement pathways that kills and any pathogen that enters our body.  

The pathway is activated when Cb3 protein binds directly to the microbe.

Cb3 protein is found in abundant quantity in our plasma. It is available in the free form.

5 0
3 years ago
These joints can be tightly connected, allowing no movement (a(n) ____________ joint) or they may be more loosely connected (a(n
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<span>Joints with no movement are called immoveable or fibrous joints.They are also called synathrosis, they are only separated by a thin layer of fibrous connective tissue e.g are the sutures of the skull. Joints that are more loosely connected are called freely moveable or synovial joints. They are also called diarthrosis.The joints are held together by an articular capsule comprised of ligaments. A synovial membrane lines the inside of the capsule and secretes synovial fluid which lubricates the joint (hence it's name).</span>
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3 years ago
What are two sources of organic waste that are produced by aquatic ecosystems?
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The two sources of organic wastes that are produces by aquatic system are Nitrogenous- Ammonia and the decaying remains.
Ecosystem in the body of water is known as aquatic ecosystem. there is also life in the water. Marine ecosystem and freshwater ecosystems are the two types of Aquatic Ecosystems. Lentic, lotic and wetlands are further types of freshwater ecosystem.
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How should you test a hypothesis?
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A hypothesis should be tested by changing one variable in an experiment.
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