Ch.6 - CellsSee all chapters
All Chapters
Ch.1 - Introduction to Biology
Ch.2 - Chemistry
Ch.3 - Water
Ch.4 - Carbon
Ch.5 - Biological Molecules
Ch.6 - Cells
Ch.7 - The Membrane
Ch.8 - Energy and Metabolism
Ch.9 - Respiration
Ch.10 - Photosynthesis
Ch.11 - Cell Signaling
Ch.12 - Cell Division
Ch.13 - Meiosis
Ch.14 - Mendelian Genetics
Ch.15 - Chromosomal Theory of Inheritance
Ch.16 - DNA Synthesis
Ch.17 - Gene Expression
Ch.18 - Regulation of Expression
Ch.19 - Viruses
Ch.20 - Biotechnology
Ch.21 - Genomics
Ch.22 - Development
Ch.23 - Evolution by Natural Selection
Ch.24 - Evolution of Populations
Ch.25 - Speciation
Ch.26 - History of Life on Earth
Ch.27 - Phylogeny
Ch.28 - Prokaryotes
Ch.29 - Protists
Ch.30 - Plants
Ch.31 - Fungi
Ch.32 - Overview of Animals
Ch.33 - Invertebrates
Ch.34 - Vertebrates
Ch.35 - Plant Anatomy
Ch.36 - Vascular Plant Transport
Ch.37 - Soil
Ch.38 - Plant Reproduction
Ch.39 - Plant Sensation and Response
Ch.40 - Animal Form and Function
Ch.41 - Digestive System
Ch.42 - Circulatory System
Ch.43 - Immune System
Ch.44 - Osmoregulation and Excretion
Ch.45 - Endocrine System
Ch.46 - Animal Reproduction
Ch.47 - Nervous System
Ch.48 - Sensory Systems
Ch.49 - Muscle Systems
Ch.50 - Ecology
Ch.51 - Animal Behavior
Ch.52 - Population Ecology
Ch.53 - Community Ecology
Ch.54 - Ecosystems
Ch.55 - Conservation Biology
Sections
Cells
Nucleus
Endomembrane System
Endosymbionts
Cytoskeleton
Cell Junctions

Concept #2: Prokaryotes vs. Eukrayotes

Additional Problems
Small cells function more effectively, because as cells become larger their surface area to volume ratio a.  increases b. decreases c. stays the same d. is squared e. is cubed
For each of the items listed below, select the one best answer from the list and place the corresponding letter in the space provided.i. ___ Contain Golgi bodiesii. ___ Contain DNA as their genetic informationiii ___ Contain cytoplasmic 70S ribosomesiv. ___ Perform both transcription and translationv. ___ Are enclosed in an envelope consisting of two membranes.vi. ___ mRNA contains a poly-A tail and a modified G cap
For each of the items listed below, select the one best answer from the list and place the corresponding letter in the space provided.i. __ Contain plasmodesmataii. __ Contain Lysosomes but not a central vacuoleiii. __ Contain mitochondriaiv. __ Contain flagella or ciliav. __ Contain plastidsvi. __ Contain actin
A prokaryotic cell:  a. Has a nucleus b. Does not have a nucleus c. Has a cell wall made of chitin d. Is at least ten micrometers in diameter e. Has membrane-bounded organelles
A eukaryotic cell:  a. Has a cell wall with peptidoglycan b. Is usually smaller than a prokaryotic cell c. Does not have membrane-bounded organelles d. Has membrane-bounded organelles e. Does not usually have a nucleus
A structure found in prokaryotic cells, plant cells, and animal cells is a:  a. Cell wall b. Chloroplast c. Ribosome d. Mitochondria e. Cilium
What is the selective advantage of keeping the surface to volume ratio low in a cell?  a. Maximize the relative surface area to exchange nutrients and gasses b. Maximize the relative surface area for cooling c. Provide more volume to store more organelles d. Provide more volume to store more nutrients e. Saves energy by making more membrane relative to the volume of the cell
Which of the following is not bounded by membranes?a. endoplasmic reticulumb. Golgi bodyc. nucleoidd. nucleus
Some of the functions of the eukaryotic organelles are performed in bacteria by thea. plasma membraneb. nucleoid areac. cell walld. capsulee. flagella/cilia
The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound structures with specific cellular functions. These are calleda. flagellab. organellesc. ciliad. chromosomese. receptors
Which of the following is not present in all eukaryotic cells?a. endoplasmic reticulumb. ribosomec. plasma membraned. cell walle.Golgi bodies
An understanding of cellular biology is helping us find new treatments for many diseases.  a. True b. False
Ribosomes area. only DNA moleculesb. only RNA moleculesc. single, naked, and circular chromosomesd. only protein moleculese. large molecular aggregates of protein and RNA
Most living cells are small in size because they need a small ratio of surface area to volume.  a. True b. False
Most living cells are small in size because they need a large ratio of surface area to volume. a. True b. False
Which cellular structure is common to both prokaryotic and eukaryotic cells? a. Nucleus b. Endoplasmic reticulum c. Mitochondria d. Plasma membrane surrounding the cell e. Membrane-bound vesicles within the cell
You need to add roughly 1 x 10^6 cells/mL into a vial to be frozen down. But before doing this, you need to add 10% DMSO.How much DMSO and media need to be added to your 1mL of 3 x 10^6 cells/mL?
List two specific cell components or organelles that are found in: (a) all living cells (b) plant, but not animal cells(c) all eukaryotic, but not prokaryotic cells
Membrane proteins move laterally in a phospholipid bilayer but generally not up and down. Why would this be so?
Why can cell membranes be polar?
List three similarities in functiorn between cristae and thylakoid membranes.
Explain how prokaryotes and eukaryotes are different.
The anchoring body in a eukaryotic flagella is identified as a structure with ______. 
How do we calculate magnification of a microscope? If we have an ocular of magnification power 10X and an objective lens 40X in place what magnification of our sample will we see?
Why is it possible to separate different components of the cell by centrifugation? In what order will mitochondria, chloroplasts, and ribosomes separate?
In this organelle, chemical energy from sugars, proteins, and fats are used to make energy for the cell, particularly in respiration and aerobic metabolism.A. nucleusB. ribosomeC. rough endoplasmic reticulumD. mitochondrion
What is the function of the lysosome? What is the majority of its membrane proteins doing?
Name two similarities in the structure or function of chloroplasts and mitochondira. Name two differences.