1. Describe the different types of immunoglobulins and their roles. 2. Explain the primary and secondary immune response to an antigen. 3. Describe antigen-antibody selection, recognition in humerol immunity. Same question in cell-mediated immunity. 4. What are antibodies and how do they work? How do they protect us? 5. Describe […]

You are studying the oxidative phosphorylation process in the liver cells of a newly discovered species and have observed the following. The transfer of electrons from one molecule of NADH to H2O via the electron transfer chain results in the net movements of 8 protons from the mitochondrial matrix into […]

1. If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres? Show all of the work used to solve this problem. 2 Li (s) + 2 H2O (l) ______ 2 LiOH (aq) + H2 (g) 2. How many liters of methane gas (CH4) need […]

Refer to the following choices to answer Questions 1-4. Match each plant cell type with its description. Each cell type may be used once, more than once, or not at all. a) parenchyma b) collenchyma c) tracheids d) sieve tube cells 1. cells with lignified cell walls that function in […]