Gel electrophoresis separates DNA fragments according to their ________

A) length
B) charge
C) polarity
D) base sequences


A

Biology & Microbiology

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Human caused introductions can occur by which of the following? Check all that apply.  

_____ plants and animals accidentally escaping from ships _____ automobile or truck tires _____ being in the soil or on a plant sold at a nursery _____ seeds or organisms attaching to clothing or shoes _____  international cargo ships releasing ballast water in the ocean before arriving at port

Biology & Microbiology

In plants, the fertilized egg develops into a multicellular ____ (young plant) within a female gametangium

a. seed b. zygote c. embryo d. cotyledon e. endosperm

Biology & Microbiology

When you hear, the ________ vibrates. I) eardrum II) hammer III) stirrup

A) I B) II C) III D) I, II, and III

Biology & Microbiology

When conducting a scientific experiment, a(n) _____________ is tested.

A) theory B) prediction C) question D) answer E) null variable

Biology & Microbiology