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Fynjy0 [20]
2 years ago
11

Ben’s local environmental group is constructing a waste disposal system. Which discipline can help the environmental group in th

is activity?A.environmental engineeringB.agricultural scienceC.natural scienceD.social science
Biology
1 answer:
spayn [35]2 years ago
6 0
Environmental engineering
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Mannitol is a drug that temporarily disrupts tight junctions. This drug is often added to medications that need to get into the
marusya05 [52]

Answer is

body-brain barrier.

Explanation:

Mannitol injection is used to reduce swelling ande pressure around the brain.

It enhances flow of water from tissues including cerebrospinal fluid and the brain into plasma and interstitial fluid.

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3 years ago
How are cancer therapies tailored to nucleotide synthesis -explain using the example of fluorouracil and methotrexate.
nika2105 [10]

Answer:

By preventing the synthesis of DNA halting cell growth.

Explanation:

Fluorouracil and methotraxate prevent the synthesis of the neucleoside Thymidine thus preventing DNA replication and elongation. Methotraxate has a structure analogous to Folic acid which is important for thymidine synthesis. Thus, it acts as a competitive inhibitor on dihdrofolate reductase an enzyme that is essential for tetrahydrofolate formation, a folic acid derivative.

Fluorouracil acts by inhibiting thymidylate synthase which catalyses an essential step in Thymidine synthesis.

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3 years ago
Gene therapy can be used to introduce foreign dna into cells ________.
uranmaximum [27]
Hi!

Gene therapy can be used to introduce foreign DNA into cells of tissues to cure inheritable disease.
5 0
3 years ago
Parathyroid hormone is the major regulator of the plasma concentration of__________ ions
photoshop1234 [79]

Answer:

Calcium

Explanation:

Parathyroid hormone (PTH) is a hormone that is secreted by the parathyroid gland. It is the major regulator of the plasma concentration of calcium ions. It regulates calcium ions in the kidney, intestine and bones.

In the kidney, is involved in the re-absorption of calcium in distal ducts and the renal collecting duct, it is also involved in activating the conversion of 25-hydroxy vitamin D into 1,25-dihydroxy vitamin D (calcitriol).

In the intestine,  PTH is involved in the absorption of calcium, by increasing vitamin D production.

In the bone, it helps in regulating calcium levels; when serum calcium level is low, PTH stimulates the activity of the osteoclast, to produce more calcium.

4 0
2 years ago
Original band members of KISS
Kay [80]
As for this, the original band members of KISS were Gene Simmons, Paul Stanley, Peter Criss, and Ace Frehley.

The origin of KISS would be traced back to the band called Wicked Lester where Gene Simmons and Paul Stanley originally were. They abandoned it after a while and started a new group. They first met Peter Criss along the roads of East Coast and met up in a nightclub. Auditioned and then became an official member, the began playing together, but in a much harder rock that Wicked Lester played. Lastly before KISS was formed, Ace Frehley completed the band and then KISS was born.
5 0
3 years ago
Read 2 more answers
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