ATI RN
Multiple Choice Questions on Cells Tissues and Organs Questions
Question 1 of 5
Which one of the following terms best describes a phospholipid. It consists of a:
Correct Answer: C
Rationale: Polar= hydrophilic head of phosphate(which can dissolve in the aqueous extracellular solution because water molecules are polar); non-polar= hydrophobic tails of lipid, which being non-polar, cannot dissolve in aqueous solutions.
Question 2 of 5
What is the tissue that covers the body surface and lines internal tubes called?
Correct Answer: A
Rationale: Epithelial tissue has one surface "open" to the exterior or to the contents of the tube.
Question 3 of 5
In a strand of DNA, what is the combination of deoxyribose and phosphate and base known as?
Correct Answer: D
Rationale: Three nucleotides form a codon and many codons form a chromatid.
Question 4 of 5
In the nucleus of the cell DNA is used as a template to form mRNA. What is the process called?
Correct Answer: B
Rationale: Transcription refers to the conversion of information on DNA into the form of mRNA.
Question 5 of 5
Dead skin cells are shed in thick sheets because the strong links are held together by anchoring junctions called__________.
Correct Answer: D
Rationale: Desmosomes provide strong adhesion between cells.