How Many Species of fish are their?

A scientist wants to make a dna fingerprint and she has used polymerase chain reaction pcr and restriction enzymes. What should her next step be

What is the determining factor for the transcription of structural genes of the trp operon? 1. the quantity of trp repressor protein made by the regulatory gene trp. 2. the ability of RNA polymerase to bind to the promoter region 3.

Is lennie capable of manipulating george?

How is the dna in a prokaryote different from the dna in a eukaryote?

What is the story of glucose

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time