Which of the following is mismatched with its building blocks?
carbohydrates -- monosaccharides
lipids -- amino acids
nucleic acids -- nucleotides
carbohydrates -- 5 or 6 carbon ring simple sugars
The Correct Answer is B
A. carbohydrates – monosaccharides: Carbohydrates are built from monosaccharides like glucose or fructose.
B. lipids – amino acids: Lipids are made from fatty acids and glycerol, not amino acids.
C. nucleic acids – nucleotides: DNA and RNA are polymers made of nucleotide building blocks.
D. carbohydrates – 5 or 6 carbon ring simple sugars: Carbohydrates often consist of 5 or 6 carbon sugars such as glucose (C₆) and ribose (C₅).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Cardiovascular:
Transports blood, but does not directly sense/respond to environmental changes.
B. Lymphatic:
Supports immune function and fluid balance, but not primarily responsible for homeostasis.
C. Endocrine:
Regulates hormones and maintains long-term homeostasis such as temperature, fluid balance, and glucose levels.
D. Respiratory:
Involved in gas exchange, but homeostasis is a secondary role.
E. Urinary:
Eliminates waste and regulates volume, but is a response mechanism rather than a regulatory system.
Correct Answer is A
Explanation
A. nucleus; in the cytoplasm at the ribosomes
Transcription is the process of converting DNA to mRNA and occurs in the nucleus. Translation is the process of reading mRNA to synthesize proteins and occurs at the ribosomes, which are located in the cytoplasm (either free-floating or bound to rough ER).
B. nucleus; in the cytoplasm at the Golgi apparatus
Transcription occurs in the nucleus. But translation does not occur at the Golgi apparatus. The Golgi modifies, packages, and ships proteins, but does not synthesize them.
C. in the cytoplasm at the ribosomes; in the nucleus
This reverses the correct locations. Transcription is not in the cytoplasm, and translation is not in the nucleus.
D. in the cytoplasm at the ribosomes; in the rough endoplasmic reticulum
Transcription does not occur in the cytoplasm. While translation can occur on ribosomes attached to the rough ER, that’s a subset of ribosomes. The general location of translation is in the cytoplasm.
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