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sweet-ann [11.9K]
3 years ago
12

How do superantigens cause polyclonal activation of CD4T cells but yet those T cells are inefficient in eliminating infection Un

derstand the outcomes of primary immune deficiencies including SCID, defects in B cell production, DiGeorge Syndrome and chronic granulomatous disease.

Biology
1 answer:
xxMikexx [17]3 years ago
8 0

Answer:

Please see attachment

Explanation:

Please see attachment

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Plssssss Help!!! Will mark brainiest!!!
enyata [817]

Answer: A constellation

Explanation:

A group of stars is a constellation. The Hubble Deep Field is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope.

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3 years ago
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The function of the nucleic acids contained in the body cells of an organism is
s2008m [1.1K]

Answer:

directing the synthesis of proteins necessary for proper cell function.

Explanation:

The nucleic acids include DNA and RNA. The instructions on DNA are transcribed into messenger RNA. Ribosomes are able to read the genetic information inscribed on a strand of messenger RNA and use this information to string amino acids together into a protein thus nucleic acids directs the synthesis of proteins necessary for proper cell function.

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3 years ago
How was the superbug created gizmo
Evgesh-ka [11]

Answer:

Superbugs are bacteria that are resistant to Antibiotics.Bacteria becomes resistant to antibiotics and carry genes that allow them to survive in harsh conditions. The infection caused by these bacterias are difficult to treat.These antibiotic resistance can be trasmitted from one bacteria to its offspring.

Explanation:

3 0
2 years ago
Sometimes when a bee pollinates a flower, this action is beneficial to humans. Bees are the main pollinators of many plants that
artcher [175]

Answer: Ecosystem Services

Explanation: Simply put,Ecosystem services refer to all the benefits that man enjoys from his relationship with the ecosystem.Ecosystem services are the benefits that people obtain from ecosystems. Ecosystem services are indispensable to the wellbeing of all people, everywhere in the world. They include provision,regulation and cultural services that directly affect people, and supporting services needed to maintain the other services. From the availability of adequate food and water, to disease regulation of vectors, pests, and pathogens, human health and well-being depends on these services and conditions from the natural environment.

We depend on nature for our survival – without healthy ecosystems, our drinking water isn’t clean nor is the air we breathe. Studies also show that people who spend time in nature tend to be happier than those that don’t. Being outdoor can even act as a natural anti-depressant. With industry and urban sprawl expanding at unprecedented rates, Ecosystem Services attempt to translate the benefits we receive from nature into economic terms so we can better understand the compromise we are making between nature and industrial development.

3 0
3 years ago
what is the process by which substances move across the membrane through channels without using energy
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Because facilitated diffusion is a passive process, it does not require energy expenditure by the cell. Water also can move freely across the cell membrane of all cells, either through protein channels or by slipping between the lipid tails of the membrane itself.




hope this is the right answer......

6 0
3 years ago
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