Biology Final Review

Which process creates an identical copy of DNA?

• Mutation
• Replication
• Transcription
• Translation

In a cross of two heterozygous parents, what proportion of the offspring will also be heterozygous?

• 50%
• 100%
• 0%
• 75%

As you go to higher trophic levels....

• Amount of energy available decreases
• Amount of biomass increases
• Number of organisms increases
• Size of organisms decreases

Cell membrane allows nutrients to enter the cell and wastes to leave but prevents unwanted materials from entering or needed things from leaving.  What does this describe?

• Selective permeability
• Metabolism
• Respiration
• Photosynthesis

A structure that no longer serves a purpose in the current organism, but may have had a purpose in an ancestor (Example: human tailbone).

• Homologous Structure
• Analogous Structure
• Vestigial Structure
• Complex Structure

Which items are created during Cellular Respiration?

• Water and CO2
• Glucose and Oxygen
• Alcohol and CO2
• Lactic Acid

These special cells have the ability to become any type of cell.

• Cancer Cells
• Blood Cells
• Nerve Cells
• Stem Cells

Which of the following levels of organization BEST represents the sequence from smallest to largest?

• Cell, tissue, organism, organ

• Cell, organism, organ, tissue

• Cell, tissue, organ, organ system

• Cell, organism, tissue, organ system

The diagram shows homologous chromosomes during prophase I of meiosis. Which of the following correctly describes the process being illustrated?

• Segregation of sister chromatids

• Mutation in which the DNA content of the gene is altered

• Crossing over in which alleles are exchanged

• Condensation and segregation of alleles

Acacia trees provide food for a species of ant that lives on them. The ants defend the acacia tree from grasshoppers and beetles. This relationship between the ant and the acacia tree is best described as

• Commensalism
• Mutualism
• Parasitism
• Saprophytism