According to Chargaff's rule of base pairing, which of the following is true about DNA?

A-T and G-C

A-C and G-T

A-G and C-T

Which organelle (s) are most active during vigorous exercise?

Why did the samples agglutinate in positive tests?

Rapid oxidation gives off a. little heat and no light. b. no heat and no light. c. little heat and much light. d. much heat and much light.

An x ray examination of the bladder is called

What is the theory that states organisms best adopted for an environment are more likely to survive and reproduce?

The cell walls of fungi differ from those of plants and protists because the cell walls of fungi O A. are composed of cellulose. O B. are composed of peptidoglycan. C. are composed of chitin. D. contain chlorophyll.

In module 1 you identify which species of lizards were most similar to one another based on

Are surface currents that flow towards the poles generally warm or cold?

Which is the correct order of the processes responsible for the formation of sedimentary rocks? erosion, deposition, compaction weathering, cementation, deposition cementation, compaction, erosion?

Urine exits through what external opening on both male and female rats