ASU BIO 181 EXAM 1 QUESTIONS AND

ASU BIO 181 EXAM 1 QUESTIONS AND

ANSWERS 100% ACCURATE

Comparing a single-celled eukaryotic organism with a multicellular organism such as yourself identify the major difference from the list below.

• Escape from predator
• Finding a mate
• Division of Labor
• Find it's own food
• Nucleus CORRECT ANSWERS C. Division of labor

The paramecium swims by way of using a flagella. CORRECT ANSWERS FALSE The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. CORRECT ANSWERS TRUE The paramecium discussed in class contained an organelle called the contractile

vacuole. This is the presumed precursor of the:

• Heart
• Kidney
• Liver
• Mouth
• Answer is not listed CORRECT ANSWERS B. Kidney

In your own multicellular body, cells with different functions have different DNA.

CORRECT ANSWERS FALSE

A single-celled eukaryotic organism:

• Has a limited number of biomolecular machines.
• Must find food, shelter, a mate and reproduce
• Escape from predators
• None of the above
• Answers A,B,C CORRECT ANSWERS E. Answers A,B,C

A cell that is anchorage-dependent for growth will also exhibit contact inhibition.

CORRECT ANSWERS TRUE

In your own multicellular body, different cells in your body have a division of labor between them. CORRECT ANSWERS TRUE Compared to bacteria which of the cell types below are not responsible for finding food"

• Lymphocyte
• Macrophage
• Fibroblast 1 / 2

• None of the above
• Answers a, b, and c CORRECT ANSWERS E. Answers A, B, C

What limits the paramecium from acquiring more complex functions? CORRECT ANSWERS Limited number of biomolecular machines A normal cell is anchorage-dependent for growth and mortal. CORRECT ANSWERS TRUE In order to examine cells which are smaller than can be detected by the human senses what needs to be used? (pick the best answer).

• Patience
• Hypotheses
• Technology
• A cell trap
• None of the above CORRECT ANSWERS C. Technology

In Cell Biology what can limit the progress of science?

• Lymphocyte
• Progress
• Eating
• Bacteria
• Technology CORRECT ANSWERS E. Technology

A cancer cell will be anchorage-dependent for growth and immortal. CORRECT

ANSWERS FALSE

A cell that is itself an organism must have a minimum of four needs presented in lecture. List these four things. CORRECT ANSWERS Find food, find shelter, find a mate, and reproduce Write a few sentences that explain what limits an individual cell from becoming more complex. CORRECT ANSWERS Limited number in biomolecular machines What limits how big a cell can be?

• Color
• Wavelength
• The surface area to volume ratio
• Resolution
• Type of electron microscopy. CORRECT ANSWERS The surface area to volume

ratio.TEM provides a thin, two-dimensional section of the object being studied. CORRECT ANSWERS TRUE

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