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16 Questions

3 Views

Cellular anatomy

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Questions and Answers

Phospholipid bilayer with integral and peripheral proteins; a fluid mosaic with discrete areas of stiff "rafts" covered in a sugary glycocalyx

Cytoskeleton

Endoplasmic reticulum

Cell membrane (correct)

Golgi apparatus

Many fine hairlike structures on luminal surface of cells that beat rhythmically in unison

Microvilli

Cilia (correct)

Chromatin

Centrioles

Site of transcription (transfer of genetic code from DNA to mRNA) and production of ribosomal subunits

Nucleus (correct)

Nucleolus

Cell membrane

Mitochondria

Boundary between extracellular and intracellular compartments, controls passage of substances in and out of the cell, and maintains membrane receptors for attachment of ligands

Cell membrane Signup and view all the answers

Contains nucleoplasm, DRN, rRNA, and ribosomal subunits

Nucleus Signup and view all the answers

Thrashing movement propels the cell forward

Flagellum Signup and view all the answers

Separates nucleus from the surrounding cytosol; restricts movement of molecules in and out of nucleus

Nuclear envelope Signup and view all the answers

Outer membrane is continuous with endoplasmic reticulum

Nuclear envelope Signup and view all the answers

Located in nucleoplasm. Composed of nucleosomes connected by sections of linker DNA. Normally arranged in loose strands

Chromatin Signup and view all the answers

Location of synthesis of ribosomal subunits

Nucleolus Signup and view all the answers

Dense cluster of ribosomal RNA and protein

Nucleolus Signup and view all the answers

Protoplasm containing water, dissolved enzymes, electrolytes, nutrients, and protein

Cytosol Signup and view all the answers

Medium for transport of intracellular molecules and organelles; supports cell membrane

Cytosol Signup and view all the answers

Storage and transportation vesicles of intracellular substances

Inclusions Signup and view all the answers

match

Storage and transportation vesicles of intracellular substances = Inclusions Structural complex within cytosol composed of microtubules, intermediary filaments, and microfilaments = Cytoskeleton Composed of microtubules arrange in a pinwheel. Found in center of centrosomes = Centrioles Double membrane bound organelle, internal membrane folds inward forming cristae = Mitochondria Signup and view all the answers

Match

System of collapsed sacs extending from the outer layer of the nuclear envelope = Endoplasmic reticulum Composed of two subunits, Each subunit is made of RNA and protein = Ribosomes Network of connected flattened tubes stacked on top of one another = Golgi apparatus Vesicle filled with hydrolytic enzymes = Lysosome Signup and view all the answers