Since there are no genes coding for carbohydrates, nucleic acids, or lipids, how do cells produce them?
A) Cells import these products from older cells.
B) Cells can produce carbohydrates, nucleic acids, and lipids out of proteins.
C) Enzymes encoded by genes synthesize these products.
D) Cells are born with all the products they need.
E) Cells absorb these products by endocytosis.
C
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The inferior aspect of the epiglottis attaches to the
A. thyroid cartilage. B. cricoid cartilage. C. hyoid bone. D. thyroid gland.
Guinea pigs are ______________and fecal ingestion by pups is necessary to help establish normal gut flora
Fill in the blank(s) with correct word
In the adult ovary, more than 90% of the follicles are in which stage of development?
A. Primary follicles B. Secondary follicles C. Tertiary follicles D. Graafian follicles E. Primordial follicles
There are four basic layers of the digestive tract. Arrange them in order from the lumen (deep to superficial)
A) serosa, mucosa, submucosa, and muscularis externa B) muscularis externa, serosa, mucosa, and submucosa C) mucosa, submucosa, muscularis externa, and serosa D) submucosa, serosa, muscularis externa, and mucosa