The correct answer is muscularis externa.
The muscularis externa refers to a section of muscle in various organs in the vertebrate body, adjacent to the submucosa. It is accountable for the gut movement known as peristalsis.
In comparison to the majority of the remainder of the digestive tract, the muscularis externa of the upper section of the esophagus comprises of striated muscle. It is accountable for peristaltic movement and segmental contractions in the GI tract.
These muscles make the movement of food and churn in combination with the digestive enzymes down the GI tract. The muscularis externa comprises of a longitudinal outer muscular layer and an inner circular layer.
Answer:
B. Deoxyribose
Explanation:
RNA is very similar to DNA, but differs in a few important structural details: RNA is single stranded, while DNA is double stranded. Also, RNA nucleotides contain ribose sugars while DNA contains deoxyribose and RNA uses predominantly uracil instead of thymine present in DNA.
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Answer: the introduction, the body, and the conclusion
Explanation:
An editorial piece is meant to show the opinion of the newspaper on a certain issue. It is usually written by the senior editor or the publisher and is the first article on the written piece.
Editorials follow a common writing structure that begins with an introduction where the issue is introduced. Discussions are then made in the body and the conclusion will then round up the piece.
Answer:
Explanation:
A single layer of phospholipids forms what is called a micelle. The polar and hydrophilic phospho head groups would form the outermembrane which interacts with the aqueous environment. The nonpolar and hydrophobic lipid tails would be in the cytosol where they pack tightly and form stable interactions with the hydrophobic chains of the stored oil molecules.
