Biology Competition Quiz #3

Plasmid

• virus

• pathogenic prokaryote

• protist

• circular pieces of DNA found in bacterial cells

What is the purpose of a restriction enzyme?

• cuts DNA at specific points

• speeds up the process cellular respiration

• breaks down proteins into amino acids

• inhibits chlorophyll from absorbing UV light

What percent of the offspring would be type AB if the parents are Type O and Type AB?

• 0%

• 25%

• 75%

• 50%

• 100%

Where is lactate/lactic acid produced? Select all that apply.

• animal cells

• bacterial cells

• plant cells

• yeast cells

Which of the following genetic terms describes the phenomenon of two alleles showing up equally in the phenotype?

• complete dominance

• incomplete dominance

• codominance

• intermediate dominance

Which of the following genetic terms describes the phenomenon of an intermediate trait in the phenotype?

• complete dominance

• incomplete dominance

• codominance

• intermediate dominance

Identify all of the stop codons.

• UAA

• UGA

• UAG

• AUG

Identify all of the start codon(s).

• UAA

• UGA

• UAG

• AUG

Identify all of the correct statements.

• The jaw and snout shape are different between alligators and crocodiles.

• The jaw and snout shape are the same in alligator and crocodile species.

• Crocodiles live in salt/brackish waters.

• Alligators live in fresh lakes and marshes.

Identify the two organisms that make up a lichen.

• bacteria

• yeast

• fungus

• algae