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ANEK [815]
2 years ago
7

CO2 is an example of which type of bond? metallic ionic covalent O polar bonding

Biology
1 answer:
erastovalidia [21]2 years ago
6 0

Answer:

covalent is the answer btw

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During which phase does Earth see more than half of the moon’s surface? first quarter third quarter waxing gibbous waning cresce
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3 years ago
Which statements describe functions of antibodies? Select two options.
vodomira [7]

Answer:

This question lacks options, options are:

A.They maintain the cell’s shape.

B.They regulate cell processes.

C.They protect the body from infectious agents.

D.They signal the immune system to destroy pathogens.

E.They speed up biochemical reactions.

F.They send electrical signals.

The correct answers are C and D.

Explanation:

B cells and T cells use different biological weapons to attack the pathogen. The first secrete proteins called antibodies, which are distributed via the blood or the exposed surfaces to the environment, such as mucous. Antibodies are glycoproteins that circulate in the bloodstream looking for antigens that cause some type of damage to the body. Antibodies recognize and neutralize pathogens in a highly efficient way. Once the antibodies are produced, they remain circulating in the bloodstream for several months, which generates immunity for a long period of time to a certain antigen, in other words, they are capable of recognizing other molecules (antigens) in a very specific way and forming stable complexes with them (immune complexes). Its appearance in plasma is part of the adaptive immune response, in what is known as a specific humoral response, constituting a very effective defense against pathogens.

3 0
3 years ago
Describe how sounds of different frequency are differentiated in the cochlea
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3 years ago
How does lack of friction affect the energy of a roller coaster system?
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friction is a force that opposes motion and significantly slows the cars as they move on the track. While it is easy to believe that friction is bad for the ride, it is one of the forces engineers consider in ensuring passengers have a safe ride.

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3 years ago
Read 2 more answers
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