Which of the following is needed to initiate RNA synthesis in a eukaryotic cell? Choose both correct answers.

In a type of bird, wing color is genetically based, but individuals can have a wide range of colors from very deep brown to very pale brown. When two medium brown birds are crossed, their offspring range from very deep brown to very pale brown, but most of them are intermediate in color. What is the most likely explanation for this?

A section of double-stranded DNA is shown below. It is part of a protein-coding gene. The bottom strand is the template. What would be the sequence of mRNA produced from this gene? 5′ A G T T C C A 3′ 3′ T C A A G G T 5′

Below is an mRNA sequence. When it is read, what is the sequence of amino acids that would be found in the protein? Remember to follow the rules for how mRNA is read. 5′ C C G A U G U G C C C C U G U U A A A C C 3′

Prokaryotic and eukaryotic cells can regulate gene expression. Which of the following mechanisms is seen both prokaryotes and eukaryotes? Choose all that are correct.

Prescription eyeglasses are acceptable eye protection when handling blood.

An alcohol-based hand rub should be used to sanitize hands that are visibly soiled

OSHA requires the Exposure Control Plan to be updated annually.

A disease-producing microorganism is known as a nonpathogen.

Directions: Choose the best answer. Each question is worth 1 point. Thrombocytes are also known as