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Brums [2.3K]
3 years ago
8

Complement factor c3b coats a bacterium and binds to c3b receptors on phagocytes, making the bacterium more susceptible to being

phagocytized. Multiple choice
a. True
b. False
Biology
2 answers:
loris [4]3 years ago
5 0

Answer;

The above statement is true

Explanation;

-Complement is a system of plasma proteins that can be activated directly by pathogens or indirectly by pathogen-bound antibody, leading to a cascade of reactions that occurs on the surface of pathogens and generates active components with various effector functions.

-C3b is the larger of two elements formed by the cleavage of complement component 3, and is considered an important part of the innate immune system. C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis.

spayn [35]3 years ago
4 0

Answer;

The above statement is true

Explanation;

-Complement is a system of plasma proteins that can be activated directly by pathogens or indirectly by pathogen-bound antibody, leading to a cascade of reactions that occurs on the surface of pathogens and generates active components with various effector functions.

-C3b is the larger of two elements formed by the cleavage of complement component 3, and is considered an important part of the innate immune system. C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis.

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Suppose that a scientist discovers a new type of organism. Which can you MOST
Yanka [14]

Answer:

The correct option is <em>C) The organism has cells that are able to take in energy.</em>

Explanation:

Option A is false because the organism the question does not specify that the organism is either a plant or animal. It can be fungi or bacteria etc.

Option B is false because the information given in the question does not specify the organism to be unicellular. It can be multicellular.

Option D is false because if the organism is unicellular, then it will have only one. It won't have many cells to eliminate waste. Also, every cell is able to eliminate waste.

Option C is correct because all cells whether unicellular or multicellular need energy to carry out tasks. This statement would be true for any kind of organism.

3 0
3 years ago
Earth's constantly absorbs energy from the sun, yet stays at a relatively constant temperature. Explain how
kirill [66]

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Explanation:

6 0
3 years ago
If a total of 1,150 million kiloliters of water is renewed through the water cycle to the Sweetbriar River Basin in 2020, will t
Brums [2.3K]
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Hope this helps!
7 0
3 years ago
Determine whether each statement below describes traditional or modern classification.
DaniilM [7]

Answer:

Based on similar appearance - traditional

Based on evolutionary relationships-  modern

Known as cladistics- modern

Known as Linnaean classification- traditional

Explanation:

Linnaeus was a Swedish Botanist who was the first to classify organisms based on the structural similarities which organisms had. This method of classification came to be known as the Linnaean classification. Organisms which had more closer resemblances in structures and features had more groups or taxa in common.

The modern system of classification depends on the evolutionary history of organisms. It determines which organisms are more closely and have common ancestors in the past.

8 0
4 years ago
Read 2 more answers
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