Discussion questions for week 4: 1. Describe the structure of the cell membrane. Explain how its structure is related to its functions. 2. Compare and contrast the various types of transport across the cell membrane. 3. A cell whose cytoplasm consist
Immune response learning exercise, Fall 2014
Explanation of answers to Questions 10, 12-17.
Questions 1-9, 11: no explanation will be given here as over 90% of the class selected the correct
answer for each of these more straightforward questions. Please
Fall 2014 Biology 151/153
Animal Physiology Lectures 1 and 2 David Abbott
Sample questions, Set #2.
Multiple choice. Select the best answer.
1. When a virus infects cells in the body:
Biology 151 2011
Genetics Learning Objectives Part 1: Molecular and Genomic Levels
Last updated: 10/28/11
DNA as the genetic material
Essential properties of deoxyribonucleic acid (DNA) as genetic material: stable, can be
copied accurately, contains info
Chemistry Review for Biology 151 In Biology 151 it is assumed that you have had an introductory chemistry course. If not, or if you need to brush up, chapters 2 in your textbook review the chemistry that will help you understand biology. This materia
Lecture 9/8 Stereoisomers: Have same spatial organization -Differ in optical activity -Starch consists of gluclose monomers -Glycogen consists of glucose monomers, is the major storage form of glucose in animcal
What is Translation? Protein
o o o
Polymeric chain of amino acids with "R" group specific to each amino acid Peptide bond between carboxyl carbon and amino group of other amino acid How do you encode 20 amino acids with only four nucleotides? Triple
Replication/Transcription DNA likes to be a double stranded helix because it's the most stable form
Enzymes to create replication bubble: o DNA Helicase- Winds/unwinds strand o Single strand binding proteins- prevent reformation of helix DNA Helicas
What is DNA? Molecule of heredity: DNA DNA: Located in nucleolus as chromosome Chromosome: Physical unit of heredity o Hershey-Chase Phage DNA is transferred, not protein Nucleotide Monomer: o 5 carbon sugar deoxyribose o Triphosphate attached to 5'
Cytoskeleton - Intermediate filaments structure - Microtubules structure, organelle movement, cilia-flagella Microfilaments - double helix made of ACTIN proteins - Movement: o Shortened or Lengthened o Slide using motor proteins = MYOSINS - Many Ro
Discussion questions for week 5: 1) What is the function of an enzyme? How does an enzyme interact with its substrate? 2) Describe the different types of inhibition. Your answer should include competitive, non-competitive, feedback, and allosteric in
Discussion questions for week 2: 1. Lipids are non-polar molecules. Explain why lipids could not support life as we know it. 2. Describe the structures and functions of starch and cellulose. What are the similarities and differences between the two c