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Biology Chapter: Viruses vs. Living Organisms

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Biology Chapter: Viruses vs. Living Organisms

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Questions and Answers

What characteristic differentiates the structures of living organisms from those of viruses?

Presence of a cell wall

Presence of a nucleus (correct)

Complexity of DNA structure

Ability to produce energy

Which of the following statements is true regarding the phylogenic tree concerning the red pandas, giant pandas, and raccoons?

Raccoons are more closely related to giant pandas.

They have no similarities in tooth patterns to any other species.

Their similar tooth patterns are not shared with spectacled and sloth bears. (correct)

They share similar tooth patterns with all bears.

What structure uniquely defines viruses and is critical to their function?

RNA replication machinery

Mitochondria

Capsid (correct)

Endoplasmic reticulum

Why are viruses not classified as cells according to cell theory?

They cannot engage in metabolism independently. Signup and view all the answers

Which cell organelle has a function similar to that of the viral envelope?

Cell membrane Signup and view all the answers

What characteristic of a virus allows it to transfer integrated DNA to another organism?

The ability to integrate its own DNA into the host DNA Signup and view all the answers

Which characteristic best supports the inclusion of bats and birds in separate branches of a cladogram?

Bats and birds have many derived characteristics besides wings Signup and view all the answers

Which statement best describes the classification of infection agents X, Y, and Z?

X and Z do not obtain and use energy Signup and view all the answers

Where should the characteristic of producing an amniotic egg be placed in a specific diagram?

At position A Signup and view all the answers

What is the least supported statement regarding the endosymbiotic origin of chloroplasts in eukaryotic cells?

Chloroplasts can be replaced using nuclear DNA if lost Signup and view all the answers