Quiz 2 11-15

Question 1

Which of these describes a difference between viruses and cells?

Answer 1

H) Cells reproduce independently, and viruses require a host to reproduce.

Question 2

Which molecule synthesized by plants is a major source of energy for cellular processes in both plants and animals?

Answer 2

C) Glucose

Question 3

A student researching bacteria concluded a report with the claim “All bacteria disrupt the health of organisms they inhabit, including humans.”Which statement correctly addresses the validity of the claim?

Answer 3

G) The claim is invalid because there are many types of bacteria that help organisms maintain homeostasis.

Question 4

Which of these is the direct result of an error in the transcription of a DNA nucleotide?

Answer 4

H) A codon sequence is incorrect.

Question 5

The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environment. What conditions cause the contractile vacuole to fill with water?

Answer 5

F) The concentration of water is greater outside the cell than inside the cell.