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Chapter 6 Biology
Terms in this set (20)
To enter or leave a cell, substances must pass through
Which of the following would not be considered part of a cell's cytoplasm?
Bacterial cells are prokaryotic; in comparison to a typical eukaryotic cell they
Have a greater variety of organelles
The maximum size of a cell is limited by
its need for enough surface area for exchange with its environment
You would expect a cell with an extensive Golgi apparatus to
Secrete a lot of materials
Which of the following correctly matches an organelle with its functions?
central Vacuole- storage
Mitochondria and chloroplasts have several common features; for example
both are capable to semiautonomous growth and reproduction, neither are components of the endomembrane system, each contain a small amount of DNA, each organelle synthesizes some of its own protein
In muscle cells the ______ it/are specialized for the storage and release of calcium.
On the following organelles, which group is involved in manufacturing substances needed by the cell?
ribosomes, smooth ER, rough ER
The internal skeleton of a cell is composed of
microtubules, intermediate filaments, microfilaments
A certain cell has mitochondria, ribosomes, smooth and rough ER, and other pairs. Based on this information, it could not be
Dye injected into a plant cell might be able to enter an adjacent cell through a
A researcher made an interesting observation about a protein made by the rough ER and eventually used to build a cell's plasma membrane. The protein in the membrane rate was actually slightly different from the protein made in the ER. The protein was probably changed In the
When elongated, tube-shaped cells from the lining go the intestine are treated with a certain chemical, the cells sag and become round blobs. The internal structure disrupted by this chemical are probably
The electron microscope has been particularly useful in studying bacteria, because
Bacteria are so small
Cell fractionation is the most appropriate procedure for preparing_____ for study
isolated cells which are normally found tightly attached to n neighboring cells
which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?
whether or to the cell is partitioned by in internal membrane
Sara would like to film the movement of chromosomes during cell division. her best choice for a microscope would be a
light microscope, because the specimen is still alive
A plant cell was grown in a text tube containing radioactive nucleotides, the parts from which DNA is built. Later examination of the cell showed the radioactivity to be concentrated in the
When isolated liver cells are combined with toxins, initial processing in the _______ increases the solubility these compounds as an initial step in their excretion?
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