ATI RN
Chapter 2 Cells and Tissues Review Questions Questions
Question 1 of 5
Connective tissue is made of which three essential components?
Correct Answer: B
Rationale: Connective tissue consists of cells, ground substance, and protein fibers (e.g., collagen, elastin), forming its extracellular matrix.
Question 2 of 5
Proteins differ from carbohydrates in that they:
Correct Answer: C
Rationale: Proteins contain nitrogen (in amino groups), unlike carbohydrates; both are organic and have covalent bonds.
Question 3 of 5
Which of the following substances is not an organic compound?
Correct Answer: C
Rationale: Carbon dioxide (CO2) is inorganic; starch, ribose, and lipase (a protein) are organic with C, H, O, and often N.
Question 4 of 5
The usual function of the Golgi complex is the:
Correct Answer: A
Rationale: The Golgi packages and modifies proteins/lipids for secretion or transport.
Question 5 of 5
A certain gene has 1200 nucleotides (bases) in the coding portion of one strand. The protein coded for by this gene consists of:
Correct Answer: A
Rationale: 1200 nucleotides / 3 (codon size) = 400 amino acids in the protein.