many times students stuggle whit rthe difference between the terms allele and gene. how would you explain the difference of these two terms in a way that is memorable to you?

What is the reactant (substrate) in the reaction above? Select all that apply. H2O2 H2O O2 catalase

Which activity would most likely contribute to an increase in the amount of greenhouse gases in the atmosphere? a. planting trees b. using electricity c. reusing plastics d. biking to school

True or false mutations can be genetically inherited

which of these technological advances has improved flu vaccines? A. virus strains multiplied in cell cultures B. sonograms C. antiviral drugs D. blood typing

Name one plant hormone

hurricanes can damage or destroy barrier islands. suppose a barrier island that separates an estuary from the ocean was damaged by a storm: how would this affect the estuary

A cell with a chromosome number of four undergoes meiosis what is the result

How does acid precipitation cause chemical weathering?

Chemical reactions in a cell

What is the name of the process of DNA formation from DNA?. A:transcription. B:translation. C:transduction