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College Cell Structure and Function Questions

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College Cell Structure and Function
Enables large particles and macromolecules to enter the cell.
  1. vesicular trafficking
  2. endocytosis
  3. exocytosis
  4. g-protein
College Cell Structure and Function
Which of the following organelles DO NOT contain their own DNA?
  1. Cytosol
  2. Chrolophyll
  3. Mitochondria
  4. Nucleus
College Cell Structure and Function
The outside of the cell is called the cell
  1. endoplasm
  2. nucleus
  3. membrane
  4. structure
College Cell Structure and Function
Which of the following separates an animal cell during cytokinesis?
  1. Cell wall
  2. Cell plate
  3. Cleavage furrow
  4. Cleavage plate
  5. Apoptosis
College Cell Structure and Function
College Cell Structure and Function
College Cell Structure and Function
This cytoskeletal element is formed mainly of actin, a contractile protein, and thus is important in cell mobility.
  1. microtubules
  2. microfilaments
  3. microcytosin
  4. mitochondria
  5. intermediate filaments
College Cell Structure and Function
In a species of mice, short hair is dominant to long hair. If a short-haired individual is crossed with a long-haired individual and both long- and short-haired offspring result, one can conclude that                                                  .
  1. the long-haired individual is homozygous.
  2. the short-haired individual is homozygous.
  3. the short-haired individual is heterozygous.
  4. the long-haired individual is heterozygous
  5. This cannot be answered without more information.
College Cell Structure and Function
If a plant cell with a solute concentration of 0.093g is placed in a saline solution with a solute concentration of 0.78g what will happen to it?
  1. lose water and become plasmolysed
  2. gain water and become turgid
  3. gain water and burst
  4. gain and lose water at the same rate
  5. become flaccid
College Cell Structure and Function
The separation of homologous chromosomes into gametes is a                                     .
  1. random process
  2. non-random process
  3. ordered process
  4. process that is influenced by gender
College Cell Structure and Function
Cells from advanced malignant tumors often have very abnormal chromosomes and an abnormal number of chromosomes. What might explain the association between malignant tumors and chromosomal abnormalities?
  1. Cancer cells are not long eukaryotic
  2. Transformation introduces new chromosomes into cells
  3. Cancer cells are no longer able to replicate their DNA
  4. Cell cycle checkpoints are not in place to stop cells with chromosome abnormalities
College Cell Structure and Function
The structure of the plasma membrane is 50:50                  .
  1. lipids:water
  2. water:protein
  3. lipids:protein
  4. phosphates:lipids
College Cell Structure and Function
What is a difference between embryonic and adult stem cells?
  1. It is easier to enucleate embryonic stem cells.
  2. The use of embryonic stem cells raises fewer ethical issues than the use of adult stem cells.
  3. Embryonic stem cells are harder to isolate than are adult stem cells.
  4. Adult stem cells are easier to grow in culture.
  5. Embryonic stem cells are undifferentiated; adult stem cells are partially differentiated.
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