Most bacteria are harmful. True or False?

What do you think is the reason why plant life is unable to grow on the shores of Lake Powell? A. Because animals are eating all of the plant life B. Because all of the shoreline has been turned into beaches C.

The isatopeof an atom containing 40 protons and 51 neutrons suddenly has two neutrons added to it. what isotope is created?

Wave and tidal energy projects are possible because of the Law of Conservation of Energy. Would they still be possible if the ocean were an isolated system? Explain your answer in terms of how matter and energy are exchanged in systems.

If an organism that is homozygous recessive for a trait is crossed with a heterozygote, what is the chance of getting a homozygous recessive phenotype in the first generation? A. 0 B. 0.25 C. 0.5 D. 1

1) How many years of history separate 1200 B. C. and A. D. 450? a) 850 b) 750 c) 1650 d) 800

What muscles is important in controlling breathing?

The expression of a gene is said to be 'turned on' when certain signals interact with the promoter of a gene and RNA is produced. The strand of RNA that corresponds to a gene is complementary to the sequence of DNA.

How are the functions of a carbohydrate and a lipid similar? Both lower the activation energy of reactions. Both dissolve nutrients in the digestive system. Both are a source of energy. Both are replicated during meiosis.

The diagram below represents the time a cell spends in the two main phases of the cell cycle in which phase does a cell spend less time

Through which pathway does energy most likely flow in an ecosystem?