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wel
3 years ago
13

Bottled water is regulated by the ______, whereas tap water is regulated by the ______.

Biology
1 answer:
ioda3 years ago
5 0

Bottled water is regulated by the FDA (Food and Drug Administration), whereas tap water is regulated by the EPA (Environmental Protection Agency).

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A model of the solar system shows the sun as a loaf of bread. What size is everything else in this model?
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D

Explanation:

everything compared to the sun is small

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This level contains closely related organisms it is also used as the first word in an organisms specific name and is uppercase
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Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species.
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Bacteria are grown in 15N (heavy) medium and then transferred to 14N (light) medium and are allowed to replicate for 1 generatio
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The intermediate density band is observed.

Explanation:

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3 years ago
E.O. is an 8-year-old girl with a history of asthma and allergy to bee stings. She has been brought to the clinic complaining of
djverab [1.8K]

Answer:

1.What type of reaction is the health care provider concerned about and why?The health care provider concerned about the an IgE mediated allergic reaction. Inthe past, E.O. was given penicillin and had a sign of immune response to the drug.E.O. body has already produce Ig. E. If she uses the penicillin again, it may cause an increased allergic reaction. 2.Explain the role of IgE and mast cells in type I hypersensitivity reactions. Why might E.O. react adversely to the antibiotic with the first use?-The first exposure to an antigen causes B-lymphocytes to produce IgE-The second exposure to the same antigen causes cross links the IgE and mast cell degranulation and release of histamine, serotonin lead to rapid constriction of vessels and causing the hypersensitive reaction. -In the past, E.O.’s body had not produce the IgE immuglobin to penicillin. But at this point, her body is already produce it, and she might has some reaction to the drug. 3.What would you tell E.O.’s parents to look for when they are assessing for a reaction?Itching, angioedema, edema of larynx, uticaria, bronchospasms, vomiting, abdominal cramps, diarrhea

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3 years ago
A sarcomere is...
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Answer:

C, basic contractile unit of muscle fiber.

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If you read the definition of sarcomere, this is what it says: "<u>A sarcomere (Greek σάρξ sarx "flesh", μέρος meros "part") is the complicated unit of striated muscle tissue. It is the repeating unit between two Z lines. Skeletal muscles are composed of tubular muscle cells (myocytes called muscle fibers or myofibers) which are formed in a process known as myogenesis</u>."

hope this helps.

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