Bacteria are:

Question

Bacteria are:

BlackTom AI · Accepted Answer

Question: Bacteria are:

Options:
 a. Eukaryotic organisms that possess a nucleus and intracellular structures. They are important for the decomposition of organic matter.
 b. Acellular entities that are composed of a nucleic acid and a few proteins. They are very small and can't be seen with a light microscope.
 c. Eukaryotic, single-celled microscopic organisms. They possess at least one nucleus and numerous intracellular structures.
 d. Single-celled prokaryotic organisms that do not contain a nucleus and lack membrane-enclosed intracellular structures
 e. Multicellular, eukaryotic animals. They generally possess digestive, circulatory, nervous, excretory, and reproductive systems.

Analysis of each option:
- Option a: This describes eukaryotic cells with a nucleus and organelles. Bacteria do not have a membrane-bound nucleus or organelles, so labeling bacteria as eukaryotic is incorrect. The statement also misclassifies their cellular organization.
- Option b: Acellular entities refer to viruses, not bacteria. Bacteria are cellular and contain cytoplasm, ribosomes, and other components; they are not acellular.
- Option c: This option again claims eukaryotic single-celled organisms with a nucleus. Bacteria are not eukaryotes; they lack a true nucleus and many membrane-bound organelles, so this is inaccurate.
- Option d: This describes single-celled prokaryotic organisms that do not contain a nucleus and lack membrane-enclosed intracellular structures. This matches the fundamental characteristics of bacteria: prokaryotic organization, unicellular, no defined nucleus, and no membrane-bound organelles.
- Option e: Describes multicellular, eukaryotic animals with multiple organ systems. Bacteria are not multicellular and are not eukaryotic; this option mischaracterizes their complexity and classification.

In summary, the incorrect options misclassify bacteria as eukaryotic, acellular, or multicellular, or attribute a nucleus and organelles to them. The correct characterization aligns with prokaryotic, unicellular organisms lacking a true nucleus and membrane-bound organelles, which is precisely option d.

My LMS Subjects Non-assessed: Topic 1 concept check quiz

Bacteria are:

View Explanation

Log in for full answers

Similar Questions

Question at position 17 All prokaryotes containmitochondria and DNA.chloroplasts and vacuoles.DNA and a cell wall.a nucleus and DNA.Clear my selection

Which of the following is NOT a characteristic of prokaryotic cells?

What are the main characteristics of prokaryotic microorganisms?

Which of the following IS CHARACTERISTIC of prokaryotic organisms?

Which of the following is NOT a characteristic of prokaryotic cells?

Which of these phrases apply to prokaryotes? originated ~3.8 billion years ago originated ~1.6 billion years ago have plasmids have circular chromosomes have chloroplasts have mitochondria have DNA inside a nucleus

Which of the following BEST describes a bacterium?

Prokaryotes:

More Practical Tools for International Students

Exam Browser Assistant

Stylized Writing Assistant

Plagiarism Checker Assistant

Citation Assistant

In-Class Translation Assistant

Class Notes Assistant

Quiz Search Assistant

Past Exam Questions by School

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler