Which scientist conducted tests on extracts made of bacteria to show that the genetic material in bacteria is DNA?

a.

Martha Chase

b.

Oswald Avery

c.

Frederick Griffith

d.

Alfred Hershey

Which representation of the observed data is best to show quantities instead of trends?

All codons are blank bases long

In which of the following compounds is the mass ratio of chromium to oxygen closest to 1.62 to 1.00?

Which statement best describes the relationship between genes and proteins? O A. Genes and proteins both contain DNA. O B. Both code for a chain of amino acids. Search O C. Proteins contain parts of menes and RNA. O D. One gene codes for one protein.

Which structure has both reproductive and excretory functions?

Which statement best describes the life cycle of plants such as ferns? Plants have a two-part life cycle, spending part of their life in a diploid phase and part in a haploid phase. Plants have a single life cycle and are entirely diploid.

5 Why is it important for a research company to evaluate its long-range plans concerning resource use and waste disposal?

Access to water is critical to survival in plants. Since competition reduces fitness, natural selection tends to favor species that partition available resources.

Assuming that a mountainside, which slopes and has a plain, which is flat, received the same amount of rain, which is more eroded?

Which would least likely be seen on an information pamphlet for red tide? People tend to stay out of the water in the area of a red tide. People are warned to avoid eating shrimp and lobster.