Please place the following levels of organization in the proper order from simplest to most complex:
1. tissue
2. chemical
3. organ system
4. cellular
5. organ
2,1,4,3,5
2,4,1,5,3
2,1,4,5,3
4,1,2,5,3
4,1,2,3,5
The Correct Answer is B
A. 2, 1, 4, 3, 5:
Incorrect order; places tissue before cellular level, which is biologically inaccurate.
B. 2, 4, 1, 5, 3:
Chemical (atoms and molecules) → Cellular (basic units of life) → Tissue (groups of similar cells) → Organ (structure of multiple tissues) → Organ System (group of organs working together).
C. 2, 1, 4, 5, 3:
Tissue comes before cell, which is anatomically incorrect.
D. 4, 1, 2, 5, 3:
Begins at cellular, skipping the chemical level, and misorders early levels.
E. 4, 1, 2, 3, 5:
Starts too late and ends with the organ instead of the organ system.
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Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. contain marker molecules to recognize self cells: Glycoproteins serve as cell identity markers to help the immune system distinguish “self” from “non-self.”
B. to act as the skeleton of the cell: The cytoskeleton, not membrane proteins, acts as the structural support inside the cell.
C. serve as ion channels: Membrane proteins act as channels to allow specific ions to pass through the membrane.
D. act as carrier proteins: Carrier proteins help transport substances across the membrane, often against a concentration gradient.
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