A common diease of the skin is:

A. leukemia

B. acne

C. anemia

D. diabetes

Scientists have discovered that 99.9% of the gene sequence is shared by all humans a. True b. False

What are the three domains used to classify organisms?

Read the prompt and study the diagram. What cause and effect prediction can be used to test the assumptions in the model?

What percent of the earths history has man been in existence

Which statement BEST describes how low species biodiversity affects ecological resilience? Select one: Food webs with fewer species are more sensitive to the loss of species and ecosystem disturbances.

Explain how it would be possible to have a change in a single base of DNA, but have the protein NOT change and be functional.

During DNA replication, what is the first process to occur? a:zipping up of the DNA strand for copying b:synthesis of the leading strand c:synthesis of the lagging strand d:unwinding of the parental DNA by helicase enzyme

When a person is frightened what system is most activated sympathetic or parasympathetic nervous system?

What is found in all adult echinoderms? an inability to move bilateral symmetry an ability to swim radial symmetry

Which molecule is a reactant in the first step and a final product in the fourth step of the Calvin-Benson cycle? A) RuBP B) ATP C) PGA D) CO2