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CSN Bio 251 Exam 1 – Questions With Complete Solutions
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CSN Bio 251 Exam 1 – Questions With Complete Solutions
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CSN Bio 251 Exam 1 – Questions With CompleteSolutions
Eukaryotic Cells include: Right Ans - Algae, protozoa, fungi, plants, and
animals
T or F: Are all eukaryotic cells motile? Right Ans - false
Cilia and Flagella are anchored to the membrance via protenacious structure
called? Right Ans - basal body
Flagella and cilia are both composed of? Right Ans - microtubules
Prokaryotic Flagella rotate in ? Right Ans - circle motion
Eukaryotic flagella rotate in ? Right Ans - beat in a wave pattern
All Eukaryotics dont have cell walls? T or F Right Ans - false
Algae and plant cell walls are composed of? Right Ans - cellulose
Fungal cell walls are composed of? Right Ans - chitin
Yeast cell walls consist of ____ and _____? Right Ans - glucan mannan
Protozoa lack a conventional cell wall, having a flexible protein covering
called? Right Ans - pellicle
other eukaryotic cells are covered with ? Right Ans - glycocalyx
What is Glycocalyx Right Ans - a layer of sticky carbohydrates
Which cells contain peptidoglycan? Right Ans - prokaryotic cells
Eukaryotic Cells do not contain peptidoglycan? T or F Right Ans - True
Eukaryotic membranes contain carbohydrates? T or F Right Ans - True
, what are the ways cells can engulf large particles? Right Ans - endocytosis,
phagocytosis, pinocytosis, receptor mediated endocytosis
when a cell will send out projections of its membrane, called pseudopods, to
surround its target, and incorporate it into the cell Right Ans - phagocytosis
(sometimes called cellular drinking) is when a cell membrane folds into the
cell creating a divot, followed by the membrane closing the top of Right Ans
- pinocytosis
is similar to pinocytosis, but only occurs once a ligand binds to the correct
receptor in the membrane Right Ans - receptor mediated endocytosis
Eukaryotic has a complex skeleton then prokaryotic? T of F Right Ans -
True
cytoskeleton is a complex arrangement of small rods that are composed of?
Right Ans - microfilaments, intermediate filaments, microtubules
The nucleus is only found in ? Right Ans - Eukaryotic cells
what is usually the largest organelle in the cell? Right Ans - nucleus
contains most of the genetic material, and is surrounded by a double
membrane, called? Right Ans - nuclear envelope
DNA is associated with proteins called? Right Ans - histone
dna is bound by histones and other proteins will appear as a thread like mass
called? Right Ans - Chromatin
holes in the nuclear envelope that allow materials to pass in and out of the
nucleus Right Ans - nuclear pores
Ribosomes serve the same function as in prokaryotic cells, they? Right Ans
- synthesis of proteins
What organelle serve the same function as in prokaryotic cells, the synthesis
of protein Right Ans - ribosomes
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