Screening for potential environmental mutagens: the Ames Test
Developed a test to be able to figure out if something is a strong mutagen
Salmonella and auxotroph are tested. Dump a chemical of this bacteria (histidine
o If bac
Study questions-Lecture 3: Chemistry of life & the cell
1. What is the most abundant organic compound?
2. Explain the two major functions of carbohydrates. Name and discuss four important
3. Explain one important way in which lipids
Study questions-Lecture 5: Gametogenesis & Development
1. Why is meiosis important?
2. Know the stages of development, the order in which they occur, and how to spell their
3. What happens during fertilization?
4. Explain what happens during cleava
Study questions-Lecture 4: Mitosis, reproduction, & meiosis
1. What is the cytoskeleton? What are its functions?
2. Describe the structure of microtubules and some of their functions in the cell.
3. Describe the following cell surface specializations: cil
Study questions-Lecture 2: Science & the Chemistry of life
1. How is the movement of a car different from the movement of living organisms?
2. Name three characteristics of animals
3. What is science? Discuss three aspects of scientific thought that disti
Study Questions-Lecture 1: Introduction
1. Why is it difficult to find a simple definition of life?
2. What is it about the chemistry of life that sets it apart from non-living systems?
3. What are the 4 major categories of organic molecules?
4. How is th
BIOL210 Genetics, Fall 2016
Problem set #1 (total points: 60)
Due: at the start of class on Friday, 9/9/16. Please type in directly onto this document or legibly
write in your answers by hand. Regardless of the method, please turn in as a hard copy.
AaBb can produce 2 different gametes (AB ab)
1st case the alleles are in cis
2nd case the alleles are in trans
completely linked 2nd case produces two different gametes
physical crossing takes place at the chiasma
1 crossover giv
Review questions for Zoology lecture 16: Annelida
1. What is metamerism? What are the functional consequences of metamerism?
2. Describe how earthworms burrow. What structures are important for this mode of
3. Diagram and discuss the structure
Review questions for Zoology Lecture 15: Molluscs & Annelids
1. What is the function of the hinge ligament in bivalves? What is the function of the
2. How do bivalves burrow? Which bivalves are jet-propelled? How do they
Zoology Review Questions-Lecture 11: Porifera & Cnidaria
1. Explain Somatic embryogenesis.
2. Describe the ways in which sponges reproduce.
3. Know the genus name, phylum, and class of the sponges we examined in lab.
4. Are all sponges suspension feeders
Study questions-Zoology SP15, Lecture 7: Body Architecture & Early life
1. Be able to explain the terms diploblastic and triploblastic. List examples.
2. What is the estimated age of the earliest life? Describe what the earth was like when
life first appe
Review questions for Zoology Lecture 13: Flatworms
1. Review the differences between protostomes and deuterostomes. To which group do
the flatworms belong?
2. Know the genus, phylum, and class of the three flatworms we studied in lab.
3. Discuss the mode
Study questions-Zoology SP15, Lecture 6: Development & Body Architecture
1. What are the 3 primary germ layers? Be able to name at least 3 adult structures
derived from each.
2. How does the neural crest form? What is the evolutionary significance of this
Review questions for Zoology Lecture 14: Mollusca
1. Know the major characteristics of the Phylum Mollusca.
2. What are the three classes of molluscs we studied in lab? Know the major
characteristics of each.
3. What is a radula, and how does it function?
Zoology Review Questions-Lecture 12: Cnidaria & Platyhelminthes
1. Describe sexual and asexual forms of reproduction in hydrozoans (such as Obelia).
2. Give one difference between a hydromedusa (the medusa stage of a hydrozoan) and a
scyphomedusa (the med
Review questions for Zoology Lecture 25: Origin of Vertebrates
1. List the features characterizing the Subphylum Vertebrata.
2. What musculoskeletal innovations characterize Subphylum Vertebrata? What is
the function of the vertebrate endoskeleton? What a
Review questions for Zoology Lecture 24: Echinoderms & protochordates
1. Do echinoderms have a complete gut?
2. Know the internal and external anatomy of holothurians (sea cucumbers), as
studied in lab. How do they differ from sea stars and sea urchins?
Review questions for Zoology Lecture 23: Insects & Echinoderms
1. What are some methods used by insects to communicate? What is a pheromone?
2. In what ways can insects be beneficial? Harmful? Give examples.
3. Review the differences between protostomes a
Review questions for Zoology Lecture 26: Fishes
1. What is a fish? Discuss the challenges posed by living in water.
2. What is the most diverse and speciose group of vertebrates?
3. Ostracoderms were fossil agnathans; name two modern agnathans. What
Review questions for Zoology Lecture 27: Fishes
1. What are the largest sharks? How do they feed?
2. List some features characterizing skates and rays.
3. Name the largest group of fishes.
4. Describe the dermal armor of actinopterygian fish. How does it
Review questions for Zoology Lecture 28: Lissamphibia & Amniotes
1. List some features characterizing frogs.
2. What is the technical term for warning coloration?
3. Describe the life cycle of a typical frog, and then describe some variations in
Review questions for Zoology Lecture 29: Snakes &Birds
1. What common skeletal features have snakes lost?
2. Compare and contrast the snake skull with a typical mammal skull.
3. List 3 modifications of the snake skeleton that allow snakes to swallow such
Review questions for Zoology Lecture 30: Mammals & Evolution
1. List mammalian features that appeared in therapsids. What other mammalian
features appeared in cynodonts?
2. Describe the transformation of the cynodont lower jaw and middle ear to that of a
Review questions for Zoology Lecture 35: Homeostasis
1. Describe the mechanism of urine concentration in mammals. Which structure(s)
within the nephron are primarily responsible? How does the concept of a
countercurrent multiplier apply to the nephron?
Review questions for Zoology Lecture 31: Evolution
1. Why is Darwins name associated with the theory of evolution, and Wallaces is
2. Explain the importance of Thomas Malthus essay on population to both Darwin
3. Did Darwin c
Review questions for Zoology Lecture 32: Evolution & Protection
1. Explain the concept of adaptive radiation. Give an example.
2. Is evolution random or non-random? Explain.
3. What is the integument? What are its functions?
4. What is the commonest type
Review questions for Zoology Lecture 33: Support, Protection & Movement
1. What are the two ways in which the integument can be colored? What are some
important functions of color? Why are mammals not brightly colored?
2. How do chromatophores change colo
Review questions for Zoology Lecture 34: Homeostasis
1. Briefly explain the sliding filament model of muscle contraction. What is the role
of each of the cellular structures involved?
2. What is the action of ALL muscles?
3. How is muscle contraction trig