Biotechnology Ch. 4 Review (Monsman)

_________ have promoters

• Eukaryotes

• Prokaryotes

• Viruses

• Bacterial Phages

Which is the correct pair?

• Thymine-Guanine

• Adenine-Cytosine

• Thymine-Adenine

• Guanine-Cytosine

Which comes next in the sequence?

DNA-RNA-___-Characteristic

• Transcription

• Protein

• Translation

• Gene

How many chromosomes does a human have?

• 23

• 46

• 43

• 36

What does Polymorphic mean?

• To change

• Many forms

• No form

• Change multiple times

In RNA, what is Adenine bonded with?

• Thymine

• Nothing, it’s not bonded

• Cytosine

• Uracil

What purpose does buffer have while preforming Gel Electrophoresis?

• Balances PH levels

• Helps the DNA break apart

• Conducts electricity

• Makes the DNA travel faster through the gel

What is the relation between concentration of a gel plate and the base pairs in DNA?

• Higher concentration, smaller base pairs

• Smaller concentration, higher base pairs

• Low concentration, low # of base pairs

• High concentration, high # of base pairs

Which way does the DNA move during electrophoresis?

• Towards positive end

• Towards negative end

• Stays in the well

• Go towards both ends

What is a comb used for in gel electrophoresis?

• To brush out the scientists hair

• To create the wells in the gel

• To hold the DNA in the gel

• Because it’s pretty