You find that some cells have twice the amount of DNA in their nuclei as other cells do. What might you conclude?

A child who recants (takes back) a disclosure of abuse was probably not abused.

Why is there a larger biodiversity hot spot in New Zealand than Australia. migration of both animals and plants from Australia b. migration of people from Australia c. migration of animals only from Australia d.

A lithium atom contains 3 protons, 4 neutrons, and 3 electrons. What would be formed is a proton is added to this atom? A. A lithium (Li) ion B. A different isotype of lithium (Li) C. A beryllium (Be) ion D. A neutral atom of beryllium (Be)

Which statement about biomes is true? A. Different biomes share similar plants and wildlife. B. Each biome has only one ecosystem. C. There are only three biomes on the Earth. D. Biomes are determined by climate zones.

What is the genotype of the wild-type trihybrid soybean plant? use l, r, and t to represent dominant alleles and l, r, and t for recessive alleles?

An apples cells contain 34 chromosomes. After the process of meiosis is complete, each gamete produced would contain how many chromosomes?

What phase does the nuclear membrane and nucleoli reappear?

Which of the following is the most likely cause of succession in ecosystems? a. arrival of new species b. rain c. loss of an animal species d. wildfires

What agents of erosion are assisted by the force of gravity

Which of the following sense organs responds to chemical stimuli? a. eyes c. ears b. taste buds d. pain receptors