h molecular genetics practice quiz (protein synthesis)

In DNA, Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

What are the 4 nitrogen bases of DNA?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

are electroporation and calcium chloride/heat shock the 2 methods of transformation?

• true

• false

What is the role of mRNA in protein synthesis?

• it makes the bases that makes up DNA

• it copies a section of DNA and uses the information to create the appropriate protein

• it helps DNA perform replication

• it makes the amino acids used in protein synthesis

Which nitrogen base is not a part of RNA molecules?

• thymine

• uracil

• adenine

• cytosine

• guanine

In order for protein synthesis to occur, mRNA must leave the nucleus and travel to

• a ribosome in the cytoplasm

• a mitochondria in the cytoplasm

• a vacuole in the cytoplasm

• a chloroplast in the cytoplasm

What enzyme in the nucleus helps mRNA form?

• DNA polymerase

• RNA polymerase

• pepsin

• nuclease

What must happen to the DNA molecule before mRNA can be created?

• DNA must duplicate itself

• the 2 DNA strands must separate

• DNA needs to exchange bases with RNA

• nothing needs to happed to the DNA molecule