ATI RN
Cells and Tissues Questions and Answers Questions
Question 1 of 5
The molecule to which an amino acid is attached preparatory to protein synthesis is:
Correct Answer: C
Rationale: tRNA carries amino acids to the ribosome, matching codons via anticodons.
Question 2 of 5
Tissue fluid would most likely be found in:
Correct Answer: A
Rationale: Loose (areolar) connective tissue contains tissue fluid (interstitial fluid) between cells.
Question 3 of 5
Describe the structure of the nuclear envelope.
Correct Answer: A
Rationale: The nuclear envelope is a double membrane with pores for material exchange.
Question 4 of 5
An example of an active transport mechanism is:
Correct Answer: C
Rationale: Pinocytosis is an active process requiring ATP, unlike the passive mechanisms listed.
Question 5 of 5
A cell that cannot complete mitosis and is abnormal will undergo programmed cell death called
Correct Answer: A
Rationale: Apoptosis is programmed cell death for abnormal or unneeded cells.