BIO 251 Chapter 3 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
cell - 🧠 ANSWER ✔✔basic unit of life that comes in many shapes and
sizes
composite cell - 🧠 ANSWER ✔✔cell membrane, nucleus, cytoplasm
nucleus - 🧠 ANSWER ✔✔houses genetic material and controls cell activity
endoplasmic reticulum - 🧠 ANSWER ✔✔participates in the synthesis of
protein and lipid molecules
-rough ER=covered with ribosomes
-smooth ER=no ribosomes
, ribosomes - 🧠 ANSWER ✔✔provide enzymatic activity and structural
support for RNA during protein synthesis
golgi apparatus - 🧠 ANSWER ✔✔refines, packages, and transports
proteins
mitochondria - 🧠 ANSWER ✔✔major sites of chemical reactions that
release energy from certain nutrient molecules
lysosomes - 🧠 ANSWER ✔✔certain enzymes that break down nutrient
molecules of foreign particles
peroxisomes - 🧠 ANSWER ✔✔house enzyme that catalyze a variety of
biochemical reactions
microfilaments/microtubules - 🧠 ANSWER ✔✔Slender tubes from the
cytoskeleton that provide movement for the cilia and flagella and are part of
certain structures that have specialized activities
Centrosome - 🧠 ANSWER ✔✔Composed of centrioles and microtubules.
Centrioles distribute chromosomes to newly formed cells during mitosis
Cilia - 🧠 ANSWER ✔✔Moves mucous and other fluids along the surface
Flagella - 🧠 ANSWER ✔✔Allow movement of sperm
Questions and Verified Answers |
Already Graded A+
cell - 🧠 ANSWER ✔✔basic unit of life that comes in many shapes and
sizes
composite cell - 🧠 ANSWER ✔✔cell membrane, nucleus, cytoplasm
nucleus - 🧠 ANSWER ✔✔houses genetic material and controls cell activity
endoplasmic reticulum - 🧠 ANSWER ✔✔participates in the synthesis of
protein and lipid molecules
-rough ER=covered with ribosomes
-smooth ER=no ribosomes
, ribosomes - 🧠 ANSWER ✔✔provide enzymatic activity and structural
support for RNA during protein synthesis
golgi apparatus - 🧠 ANSWER ✔✔refines, packages, and transports
proteins
mitochondria - 🧠 ANSWER ✔✔major sites of chemical reactions that
release energy from certain nutrient molecules
lysosomes - 🧠 ANSWER ✔✔certain enzymes that break down nutrient
molecules of foreign particles
peroxisomes - 🧠 ANSWER ✔✔house enzyme that catalyze a variety of
biochemical reactions
microfilaments/microtubules - 🧠 ANSWER ✔✔Slender tubes from the
cytoskeleton that provide movement for the cilia and flagella and are part of
certain structures that have specialized activities
Centrosome - 🧠 ANSWER ✔✔Composed of centrioles and microtubules.
Centrioles distribute chromosomes to newly formed cells during mitosis
Cilia - 🧠 ANSWER ✔✔Moves mucous and other fluids along the surface
Flagella - 🧠 ANSWER ✔✔Allow movement of sperm
