Answer Happy

2 pts Question 41 Which of the following is NOT true of prokaryotes? They lack a membrane-bound nucleus DNA is located within the cytosol They have a simpler structure relative to eukaryotes They possess membrane-bound organelles They are relatively small compared with eukaryotes

D Question 42 2 pts Eukaryotic mRNA molecules are interspersed with non-coding sequences called that must be removed before protein synthesis. anticodons introns exons nucleosomes chromomeres

2 pts Question 43 The process in which an RNA polymerase molecule assembles an mRNA molecule whose nucleotide sequence is complementary to the DNA sequence is called gene amplification O translation O transcription O polypeptide sequencing complementary base pairing

D Question 44 2 pts The enzyme in DNA replication that adds a short stretch of RNA that provides a starting point for the synthesis of the leading strand and Okazaki fragments is called O DNA Polymerase O Primase O Helicase Ligase O DNA Polymerase III

Question 45 2 pts Reactions that release energy because the reactants contain more energy than the products are called O xerogonic O exergonic O metabolic O endergonic

D Question 46 2 pts When two atoms share a pair of electrons, the bonding is referred to as O hydrogen O polar O unstable O covalent ionic

D Question 47 2 pts The specificity of an enzyme is due to its active site. The active site is able to bind to an) substrate molecule. allosteric inhibitor. O competitive inhibitor. O a, b, and c. a and conly.

D Question 48 2 pts In eukaryotic transcription, several transcription factors must bind to the promoter site before RNA polymerase can O True O False

o Question 49 2 pts Polymers are long molecules consisting of many similar or identical subunits. Which of the following is a polymer? a fatty acid O a monosaccharide O a nucleotide O an amino acid O a protein

D Question 50 2 pts Important properties of the genetic code include all of the following except O it is redundant O it is unambiguous. O it is random O it is conservative. O it is nearly universal.