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Lina20 [59]
3 years ago
11

How do we use relative dating to determine the age of a fossil, artifact, or rock layer?

Biology
1 answer:
disa [49]3 years ago
7 0

Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

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The _____________ cells in the _________________ of a nephron can cause and increase or decrease in body pH. A. intercalated; co
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Answer:

The intercalated cells in the distal convoluted tubule of a nephron can cause and increase or decrease in body pH.

Explanation:

The renal collecting duct is the nephron segment where the final urine content of acid equivalents and inorganic ions are determined.

Two types of cells regulate the acid-base and volume homeostasis.

Intercalated cells, which express acid-base transporters and vacuolar H+-ATPase, maintain an apropriate acid-base balance and principal cells that express the epithelial sodium channel ENaC and aquaporin 2, regulate electrolyte reabsorption.

Filtered bicarbonate is predominantly reabsorbed from the proximal convoluted tubule about 80% and the remaining bicarbonate is reabsorbed from the thick ascending limb of the loop of Henle, the distal nephron, specifically the distal convoluted tubule & the connecting tubule, and finally the cortical and both the outer and inner medullary collecting duct.

Intercalated cells are enriched in mitochondria, and express proteins involved in transport of proton equivalents such as vacuolar H+-ATPase, carbonic anhydrase II and bicarbonate transporters. There are two types of intercalated cells Type-A and Type-B.

7 0
3 years ago
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True or false? "use" is defined under hipaa as the release of information containing phi outside of the covered entity (ce)
Sauron [17]

False  

"Use" is not defined under HIPAA as the release of information containing PHI outside of the covered entity (CE).

Health Insurance Portability and Accountability Act (HIPAA) is United States legislation that was passed in 1996. HIPPA provides data privacy and security for keeping medical information. Other roles of HIPAA include provision of health insurance coverage and the minimization of health care fraud and abuse. HIPPA contains five sections which are; HIPAA health insurance reform, HIPAA administrative simplification, HIPAA tax-related health provisions, application and enforcement of group health plan requirements and revenue offsets


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3 years ago
What is denaturation?
Readme [11.4K]
Denaturation is the process whereby A) A structural change of a protein that results in the loss of its biological properties.
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A snapdragon with red flowers is crossed with a snapdragon with white flowers Flower color in snapdragons exhibits incomplete do
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8 0
3 years ago
Although the inner leaflet of the gram-negative outer membrane is composed mainly of phospholipids, the outer leaflet of the out
lawyer [7]

Although the inner leaflet of the gram-negative outer membrane is composed mainly of phospholipids, the outer leaflet of the outer membrane contains lipopolysaccharides.

Phospholipids are the most abundant component of the plasma membrane. The structure of phospholipids is composed of a backbone of glycerol containing two fatty acid chains attached to two hydroxyl groups  and one phosphate group attached to the third hydroxyl group.

Lipopolysaccharides, also abbreviated as LPS, are the major component of bacterial cell wall. The role of LPS is to provide structural integrity and high permeability to the bacteria. LPS is a pyrogen and can be toxic to human body.

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