ASU BIO 181 Exam 2 Questions and Answers Already Passed

ASU BIO 181 Exam 2 Questions and Answers Already Passed 90% of absorption in the intestine occurs where? In the Ileum and Jejunum Adhering junctions are based on two different types of cytoskeleton filament systems. Name those systems. Actin Filament based, Intermediate filament based Assume that you have a eukaryotic cell with three chromosomes within it. How many 5' ends would there be? Gap 1: 6, Gap 2: 12 Does gravity have a role in some part of the lymphatic fluid flow back to the circulatory system? Yes During DNA replication in the lagging strand there is production of this component? Okazaki fragment During mRNA maturation what is the name of the part of the mRNA that is removed? Intron For DNA Polymerase III to work which of these components has to act first? Primase For DNA Polymerase III to work, which of these components has to act first? Primase Glycolysis requires the investment of two_________ in order to obtain a gross output of four ________ . ATP, ATP How does the lymph fluid return from the legs to the circulatory system? A one way valve pushing it up, with the help of muscles contracting around it. How does the pancreas neutralize the pH of the chyme that comes from the stomach? Bicarbonate Ion Secretions How many "stop" codons exist? Three How many hydrogen bonds are there between an A and its paired nucleotide? Two If a macrophage endocytoses (i.e., eats) an antigen it can digest it and present it on a ______________ Major histocompatibility complex protein to a ______________. Class II, Helper T Cell In DNA, what does the nucleotide labeled as A pair with? Thymidine which is a pyrimidine In eukaryotic cells the start codon for protein synthesis is . AUG or Methionine In the lecture we discussed normal flora, this refers to: Bacteria and Fungi on the surface of the body that compete against pathogens. In the ribosome, what is the name of the bond