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8.80 Prokaryotic and Eukaryotic Cells Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 8 Science worksheet provides structured practice on 8.80 Prokaryotic and Eukaryotic Cells. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Prokaryotic and Eukaryotic Cells - Which comparison best structural differences and typical sizes of prokaryotic and eukaryotic cells and relate structure to function? (NGSS MS‑LS1‑1/2 (connections); TEKS §112.28 Grade 8; FL NGSSS; VA SOL; MA STE)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 8

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 8.80 Prokaryotic and Eukaryotic Cells skill assessments:

Problem 1Difficulty: Mastery

A researcher isolates two types of ribosomes from a eukaryotic cell: one type from the cytoplasm and one type from an energy-producing organelle.

Which pairing best identifies the organelle and the likely reason its ribosomes differ?

AMitochondrion; it has ribosomes that reflect its evolutionary origin from prokaryotes.

BNucleus; it has ribosomes because DNA must be translated inside the nucleus.

CCell wall; it has ribosomes because walls synthesize proteins.

DGolgi apparatus; it has ribosomes because it makes DNA.

Solution & Explanation:Mitochondria contain their own ribosomes and DNA. Their ribosomes are often more similar to prokaryotic ribosomes, consistent with endosymbiosis.

Problem 2Difficulty: Mastery

A scientist finds a single-celled organism that is 70 um across and contains many mitochondria and a nucleus. It moves toward light but does not have chloroplasts.,,Science "

Which inference is most reasonable?,A. It is a eukaryotic protist that uses light as a cue but not necessarily for photosynthesis. | B. It is a bacterium because it lacks chloroplasts. | C. It is a plant cell because it moves. | D. It is a prokaryote because it responds to light.,A,A nucleus and mitochondria indicate a eukaryote. Some protists sense light for behavior without being photosynthetic.,NO,,,,,online_practice_skill_page,practice,grade 8 science prokaryotic and eukaryotic cells practice questions,prokaryotic and eukaryotic cells online practice | prokaryotic and eukaryotic cells review | SCI.8.80 practice | grade 8 science life science: cells

Solution & Explanation:and evolution questions,Prokaryotic and Eukaryotic Cells Practice Questions for Grade 8 Science,Prokaryotic and Eukaryotic Cells Practice Questions,Grade 8 Science Prokaryotic and Eukaryotic Cells Online Practice | FreeK12Practice,Grade 8 science practice on prokaryotic and eukaryotic cells. Review life science with online questions and explanations.,prokaryotic-and-eukaryotic-cells-practice,/grade-8/science/life-science-cells-heredity-ecosystems-and-evolution/sci-8-80/prokaryotic-and-eukaryotic-cells-practice/,Grade 8 Science: Cells

Problem 3Difficulty: Mastery

A cell is treated with a chemical that stops vesicles from fusing with the cell membrane. Proteins that should be on the surface never arrive.

Which cell type is most likely being tested, and why?

AProkaryotic, because bacteria have Golgi stacks for surface proteins.

BProkaryotic, because bacteria rely on vesicles to build a nucleus.

CViral, because viruses use vesicles to make ribosomes.

DEukaryotic, because vesicle trafficking is a key way eukaryotic cells move proteins to the membrane.

Solution & Explanation:Vesicle transport from ER to Golgi to membrane is a hallmark of eukaryotic cells; prokaryotes generally insert proteins into membranes without this system.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 8 Science students. It aligns with educational standard SCI.8.80 (Compare prokaryotic and eukaryotic cells by structures, size, and complexity.).