What type of reaction occurs without being started by some outside force

A. spontaneous reaction

B. physical reaction

C. activation energy reaction

D. Backward reaction

Fossils are dated by measuring what element?

According to the text, which antibiotic (s) can pass easily through the Gram-negative bacterial cell wall and interfere with protein synthesis?

The purpose of adding blue "tracking" dye to the DNA samples is to make it easier to visually track the DNA migration to the positive pole in the electrophoresis chamber. TRUE FALSE

In what ways do you think marine geography benefits marine science?

Question from Campbell Biology Chapter 23: A large population of laboratory animals has been allowed to breed randomly for a number of generations.

Which statement is correct? A. Both plants and fungi undergo photosynthesis. B. Both protists and fungi are eukaryotic. C. Like some prokaryotes, fungi are autotrophic. D. Both animals and fungi lack cell walls.

In an ecosystem, bees are responsible for the pollination of flowers. Over time, the number of bees in the population have increased. Which of these best explains why the number of flowers in the population have also increased?

What is a likely consequence of continued human population growth?

Why is an organisms role important for its community?

Briefly describe what is meant by the semiconservative nature ofDNA replication?