Which of the following is found in all cells?
Identify the scientists who are credited with the cell theory.
Schleiden and Schwann
What theory is the unifying foundation of cell biology?
Based on cell structure, all life forms can be placed into two categories called ___ and ____
What is found in all cells?
Main points of the cell theory?
Cells arise only by division of a previously existing cell.
Cells are the smallest living things.
All living organisms are composed of one or more cells.
Bacterial cells are encased by a strong cell wall of peptidoglycan. Which of the following accurately describes peptidoglycan?
Carbohydrate matrix cross-linked by short polypeptide units
Archaea differ from bacteria in which of the following ways?
They lack peptidoglycan.
The functions of the rough endoplasmic reticulum include which of the following?
Functions of the smooth endoplasmic reticulum include which of the following?
Storage of calcium
Assembly of membrane lipids
The core of lipid droplets could contain which of the following lipids?
What enzyme breaks down hydrogen peroxide to harmless substances in peroxisomes?
Which of the following structures of the endomembrane system is not matched properly?
Rough endoplasmic reticulum: Ca2+ storage
This is a function of the SMOOTH endoplasmic reticulum.
Functions that include glycoprotein production and protein sorting are characteristic of the _____ endoplasmic reticulum.
Functions that include steroid synthesis and assembly of membrane lipids are characteristic of the ____ endoplasmic reticulum.
What are similarities between mitochondria and chloroplasts
Presence of DNA
Presence of protein synthesizing ribosomes
Hydrophobic lipids are made soluble int he cytoplasm by being coated with _______.
The central ______ of a plant cell is involved in maintaining the tonicity of the cell.
What does the mitochondrial matrix refer to?
The compartment inside of the inner membrane
The functions of the rough endoplasmic reticulum include?
What term describes a relationship, in which a smaller cell lives inside a larger cell?
Which part of the cell's primary function is to support cell shape and anchor organelles to fixed locations?
Peroxisomes contain the enzyme catalase that breaks down hydrogen peroxide into oxygen and _____.
The fibers of the _____ provide the scaffolding to hold certain enzymes in place in a cell.
Which fiber is involved with cellular crawling?
Another term for actin filaments is ______.
Surface _____ give cells their identity. In multicellular organisms, this allows the recognition of cells that are the same tissue type.
Gap junctions can typically be in the ___ ___ of a cell.