20. Describe the structure of the glycocalyx and explain its various functions.

What is the function of Episomes?

23. In which site in the cell does a radiolabeled secretory protein first appear when tissue is incubated briefly with radioactive amino acids? a. SER b. Golgi apparatus  c. RER d. secretory vesicles  e. nucleus

29 Which kind of macromolecule is regarded as a good candidate for the original self-replicator (or genetic molecule)  because it can both cause dehydration synthesis and encode information efficiently? a) Neurotransmitter                     b) DNA               c) Hormones                       d) Proteins             e) RNA

N-linked oligosacjarides are added in the ..... and modified in the.......   ER, golgi medial golgi, trans golgi cis golgi, trans golgi cis golgi, medial golgi

38. Hydrocortisone is an anti-inflammatory drug that stabilizes lysosomal membranes. Explain how this effect reduces cell damage and inflammation.

BIx₂x² Pancreas: The dark red cells are the exocrine cells that secrete pancreatic juice for digestion, while the lighter cells are the endocrine cells. What is the name of this cluster of endocrine cells?

Name the tissues that contained the highest concentration of peroxidase. 2. Describe one function that peroxidase may perform in each of these tissues. Name one plant tissue area that contained proteins that were transferred to the nitrocellulose but did not contain peroxidase. 1. 3.

Breifly Describe the structure as well as the function of the glycocalyx.

26. All of the following are typical components of the plasma membrane of a eukaryotic cell EXCEPT (A) glycoproteins (B) cytochromes (C) cholesterol (D) phospholipids (E) integral proteins 27. The rate of division of most vertebrate cells is LEAST likely to be influenced by which of the following? (A) Contact with other cells (B) The availability of nutrients (C) Compounds that inhibit protein synthesis (D) The cell's photoperiod (E) The temperature of the organism 28. During respiration, most ATP is formed as a direct result of the net movement of (A) potassium against a concentration gradient (B) protons down a concentration gradient (C) electrons against a concentration gradient (D) electrons through a channel (E) sodium ions into the cell 29. Which of the following processes is carried out more efficiently by a C4 plant than by a C3 plant? (A) Light absorption (B) Chemiosmotic coupling (D) Photolysis (D) Fixation of CO, (E) Transport of sugars 30. A biologist isolates numerous…