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Rainbow [258]
3 years ago
5

Siltstone is made mostly of _____.

Biology
2 answers:
Marina CMI [18]3 years ago
6 0
<span>Siltstone is made mostly of </span>Silt or sandstone.

aniked [119]3 years ago
5 0

Answer:

its silt

Explanation:

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The part of the brain that smoothes and coordinates movements of the skeletal muscle is the
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Cerebellum smoothes and coordinates the movement of skeletal muscle.
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Food being digested in the stomach is in a highly acidic environment. When the food is released from the stomach into the small
Rudik [331]

Secretin increases the flow of bicarbonate ions from the pancreas into the small intestine to neutralize stomach acid.

Gastric acid regulation, pancreatic bicarbonate modulation, and osmoregulation are the three primary roles of secretin. Pancreatic fluid stimulation and bicarbonate secretion are two of secretin's main physiological effects.

Peptide hormones released by endocrine cells in the digestive system include secretin and CCK. While CCK enhances the synthesis and secretion of bile juice and pancreatic enzymes, Secretin stimulates the release of water and bicarbonate ions from the pancreas.

A pancreatic fluid that is high in bicarbonate is secreted when secretin is present. By interacting with pancreatic ductal cells, secretin enters the bloodstream or intestinal lumen and increases the production of bicarbonate, which lowers the pH of the gastric chyme as it enters the small intestine.

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7 0
2 years ago
5. The diagram shows a position on Earth at
Nostrana [21]

Answer:

B, it will rotate and face the sun.

Explanation:

The Earth rotates a lot, especially in 5 hours. It will not be stationary. It is most likely that at 8 AM, the Earth will be facing the sun, not away from the sun.

8 0
4 years ago
During the ______ _________ of an action potential, voltage-gated potassium channels are open and the voltage-gated sodium chann
baherus [9]

Answer:

Repolarization

Explanation:

Complete repolarization is achieved by the sodium pump. This actively pumps all the Na+ ti the outside and all the K+ to the inside. The pump requires energy in the form of ATP and is inhibited by metabolic poisons. Entry of Na+ is immediately followed by an increase in the permeability of the membrane to K+. These diffuse rapidly to the outside due to the concentration gradient. Being positively charged, the K+ reverses the polarity of the membrane making the outside positive.

7 0
3 years ago
{ Please Answer Quickly! 50 Points! }
enot [183]

Answer:

<u>B) 3 amino acids joined by 2 peptide bonds</u>

Explanation:

The general formula of amino acids:

<u>R-CH(NH2)-COOH </u>

It can be seen clearly in the attached image that there are three amino acid molecules.

Now the three molecules of amino acids are joined by 2 peptide bonds.

<u>Peptide bond: </u>  a bond formed between first carbon of one amino acid and nitrogen of another amino acid releasing a water molecule( H2O).

         

4 0
3 years ago
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