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Allisa [31]
3 years ago
12

In cell signaling how is the flow of ions regulated

Biology
1 answer:
anzhelika [568]3 years ago
6 0
The opening and closing of ligan-gated ion channels
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The __________ abuts the lumen of the alimentary canal and consists of epithelium
Misha Larkins [42]

Question is incomplete. Complete question is as follows:

The ____ abuts the lumen of the alimentary canal and consists of epithelium, lamina propria, and muscularis mucosae.

Answer:

Mucosa

Explanation:

Mucosa or mucosal membrane forms the lining of many cavities in the body like the alimentary canal and also covers many internal organs. It lines reproductive, digestive and respiratory system. In the gastrointestinal tract the mucosa is made of three layers: epithelium, lamina propria and muscularis mucosae.

The epithelium of mucosa is made of simple columnar epithelium cells. It consists of many types of cells like parietal cells (secrete HCL) and foveolar cells (secrete mucus). Lamina propria is a loose connective tissue present beneath the epithelium. It provides nutrition and support to epithelium. Muscularis mucosae has smooth muscle fibers which helps the glands on the surface to secrete their contents and also increase the contact between contents of lumen and epithelium.

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3 years ago
Cytokinesis follows ______ in the cell cycle
shepuryov [24]

Answer: Telophase

Explanation:

It is always telophase and then cytokinesis

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What is the process in which the 6-carbon sugar glucose is broken down into 2 3-carbon pyruvic acid molecules. Select one: a. Ci
Marat540 [252]
B. Glycolysis
It is the correct answer
7 0
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One of the conditions required to maintain genetic equilibrium is
bonufazy [111]

Answer:

No change in the DNA sequence, No migration, A very large population size, Random mating, and No natural selection

Explanation:

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Where else is amylase secreted in the digestive system?
Len [333]
There is 2 types of amylase. But they have to same function which is to digest starch to Maltose. They r salivary amylase and pancreatic amylase.
Salivary amylase is produced in the salivary glands, while pancreatic amylase is produced in the pancreas
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