2017 Final Deck Flashcards
1
Q
- What is a virus? 2. Pathogen? 3. Traits of living things? 4. Viroid? 5. Prion? 6. Bacteriophage?
A
- Infectious particle made of Genetic material and protein capsid
- Anything that causes an infectious disease
- Reproduction, use nutrients and energy, grow, and respond to environment
- Cause disease in plants, made of single RNA strand no capsid
- Made of proteins that cause other proteins to fold incorrectly
- Viruses that infect bacteria, works like a syringe
2
Q
- How to viruses enter? 2. Lytic infection? 3. Lysogenic infection? 4. Examples of viral infections? 5. Vaccine? 6. HIV and its traits?
A
- Endocytosis and enzymes to break cell wall
- Takes over hosts DNA to copy virus, produces enzymes to destroy cell and release viruses into body
- Viral DNA combines with hosts DNA and can remain dormant or be activated by a trigger and then becomes a lytic infection
- Cold, flu, SARS, HIV
- Substance that stimulates immune response, made of weakened pathogens
- Retrovirus, contains RNA and uses reverse transcriptase enzyme to produce DNA
3
Q
- What is a obligate anaerobe? 2. Obligate aerobe? 3. Facultative? 4. Rod shaped bacteria? 5. Spiral? 6. Spherical?
A
- A prokaryote that is poisoned by oxygen
- Prokaryote that needs oxygen to survive
- Prokaryote that can live with or without oxygen
- Bacilli
- Spirilla or spirochete
- Cocci
4
Q
- What is a plasmid? 2. Pilli? 3. Archaea membranes being different from bacteria? 4. Gram positive? 5. Gram negative? 6. Binary fission? 7. Conjugation?
A
- Piece of genetical material that can replicate separately from main chromosome
- Smaller form of flagella and more numerous
- Archaea membranes contain rare lipids and bacteria contain peptidoglycan
- Thin layer of peptidoglycan, purple
- Thicker layer, red
- Daughter cells split in half after copying
- Exchange parts of chromosome through pili
5
Q
- Endospore? 2. Photosynthesizing prokaryotes? 3. Cyanobacteria? 4. Nitrogen fixation? 5. Legumes and bacteria? 6. Bioremediation? 7. Toxin?
A
- Specialized cell wall produced in harsh conditions
- Purple and green bacteria use light to make carbohydrates
- Produce 02 as a byproduct
- Converting atmospheric nitrogen into ammonia
- Have a mutualistic relationship with nitrogen fixing bacteria, live on nodules(roots)
- Using microbes to break down pollutants
- Poison released by bacteria
6
Q
- What is a plant? 2. Charophyceae? 3. Traits from charophyceae?
A
- Multicellular eukaryotes that produces food through photosynthesis, wall made of cellulose
- Ancient species of green algae and ancestor of all plants
- Multicellular body and cell specialization, method of cell division through small channels that allows cells to communicate with each other chemically, and reproduction with sperm and egg
7
Q
- What is the evolution of plants? 2. What is a cuticle? 3. What are stomata? 4. Vascular system? 5. Lignin? 6. Pollen grain? 7. Seed?
A
- Charophyceans, mosses, ferns, cone bearing plants, flower bearing plants
- A waxy, waterproof layer that holds in moisture
- Tiny holes in cuticle, allow the movement of air and water through plant
- A collection of specialized tissues that bring water and nutrients from roots to leaves
- Material that hardens the cell walls of vascular tissues, strength of wood,
- Two celled structure that contains a cell that will divid to form sperm
- Storage devise for a plant embryo
8
Q
- Mutualism? 2. What phyla do mosses belong to? 3. What are the 3 phyla of nonvascular plants? 4. Liverworts?
- Hornworts? 6. Sphagnum and peats?
A
- An interaction between two species in which both species benefit
- Bryophyta
- Hepatophyta(liverworts), and Anthocerophyta(hornworts
- Thallose and leafy forms, eggs are produced on umbrella structures of thallose, leaflike structures are arranged in three rows
- Lobed appearance, grasslike
- A moss that does not decay when it dies and forms piles called peat, which has antibacterial properties
9
Q
- Two phyla of seedless-vascular plants? 2. Club mosses? 3. What are the three types of ferns? 4. Horsetails? 5. Ferns? 6. Pollination? 7. What do seeds help do?
A
- Club mosses(lycophyta) and ferns (Pterophyta)
- Look like trees, one species=lycopodium
- Whisk ferns, horsetails, and ferns
- Grow in whorls around a tubular stem, cells walls contain rough compound silica
- Grow from underground stems called rhizomes, fiddleheads grow into fronds
- When pollen meets female reproductive parts
- Reproduction without freestanding water, seeds protect embryo and can survive for many months or years dormant, allow dispersion of plants
10
Q
- Gymnosperm? 2. Angiosperm? 3. Cone? 4. 3 phyla of gymnosperms? 5. Cycads? 6. Ginkgo? 7. Conifers?
A
- Seed plant whose seeds are not in fruit
- Seeds enclosed in fruit
- Reproductive structure of gymnosperms
- Cycadophyta(cycads), ginkgophyta(Ginkgo biloba), coniferophyta (conifers)
- Palm trees with large cones,
- Only species, ginkgo biloba, grows in china
- Needlelike trees
11
Q
- Flower? 2. Fruit? 3. Cotyledon? 4. Monocots? 5. Dicots? 6. What kind of flowers are plants such as cucumbers and cactus considered as?
A
- Reproductive structure of flowering plants
- Mature ovary of a flower
- An embryonic leaf inside a seed
- 1 cotyledon, parallel veins, flowers in multiples of 3, vascular tissues are scattered(ex. Corn, rice,)
- 2 cotyledons, netlike veins, flowers in multiples of 4 or 5, vascular tissues in rings (ex. Peanut)
- Herbaceous plants
12
Q
- Annual flowers? 2. Biennial? 3. Perennial? 4. Botany? 5. Ethnobotany? 6. Pharmacology? 7. Alkaloids?
A
- Lifespan in 1 year (corn, lettuce)
- Two years (carrots)
- More than two years (grasses)
- Study of plants
- How different cultures use plants
- Study of drugs and their effect on the body
- Potent plant chemicals that contain nitrogen, interfere with cell division, taxol(anti cancer properties)
13
Q
- 3 types of plant cells? 2. Parenchyma cells? 3. Collenchyma? 4. Sclerenchyma? 5. Plasmodesmata?
A
- Parenchyma, collenchyma, and sclerenchyma
- Most common, store starch, oil and water, thin walls and water filled vacuoles in middle, photosynthesis occurs in cells, flesh of fruits, have the ability to divide their whole life,
- Thin to thick walls, provide support, very flexible, dont contain lignin, can elongate with plant growth
- Thickest and strongest, can’t grow with plant,
- Strands of cytoplasm that pass through openings in cell walls and connect living cells
14
Q
- Dermal tissue system? 2. Ground tissue? 3. Vascular? 4. Xylem? 5. Phloem?
A
- Covers outside of plant, made of parenchyma cells,
- Makes inside of plant, provides support and stores materials, packed with chloroplasts, parenchyma is most common but contains all 3
- Transports materials,
- Vascular tissue that carries materials from roots to rest of plant
- Vascular tissue that carries products of photosynthesis through the plant
15
Q
- Tracheid? 2. Vessel elements? 3. Cohesion tension theory? 4. Transpiration?
A
- Cell in xylem, long and narrow, water flows from cells to cell through openings,
- Cell in xylem, short and wider than tracheid, mature and die before water moves through them and the cell wall disintegrates at both ends, the cells that connect end to end to from long tubes
- Properties of water allow the rise of water throughout the plant,
- The loss of water vapor from a plant
16
Q
- Sieve tube elements?
2. Pressure flow model?
A
- In phloem, small holes in end wall of their cells, lose their nuclei as they form, next to a companion cell which are connected by plasmodesmata, companion cells keep their organelles and preform functions for sieve elements
- Step one-sugars move from photosynthesizing leaves in phloem,
Step two-water moves from the xylem into phloem by osmosis,
Step three-sugars move in sink (root, fruit) to be stored
17
Q
- Parts of a root?
- Fibrous root?
- Taproot?
- Primary growth?
- Secondary growth?
- Cross section of a root from outside to center?
A
- Vascular cylinder, apical meristem, root cap
- Net of roots, provide a firm anchor
- Long, thick, vertical roots, allow plant to get water deep in ground
- Growth vertically
- Growth horizontally
- Dermal tissue, ground tissue, vascular cylinder
18
Q
- Petiole?
- Auxiliary bud?
- Leaf tissues?
- Mesophyll
- Upper and lower side of leaf?
- Guard cells
A
- Connect the blade to the stem by a thin stalk
- Bud that grows between petiole and stem of a plant, marks where the leaf ends
- Dermal tissue, ground tissue, vascular,
- Between dermal, parenchyma tissue,
- Upper=chloroplast, lower=stomata for transpiration and gas exchange
- Surround each stomata, potassium ions cause water to flow to guard cells which opens the stomata
19
Q
- Palisade Mesophyll?
- Spongy mesophyll?
- Hormone?
- Gibberellins?
- Ethylene?
- Cytokines?
A
- Just under the dermal layer, rectangular cells that absorb the light
- Just beneath palisade, loosely packed air spaces that create space for stomata,
- Chemical messenger that stimulates or suppresses activity of cells in another part of the body
- Hormone that stimulates dramatic increases in size
- Hormone that causes ripening
- Hormone that stimulates cytokinesis, slow aging,
20
Q
- Auxins?
- Tropism?
- Phototropism?
- Thigmotropism?
- Gravitropism
- Photoperiodism?
A
- Hormones involved in lengthening plant cells in the apical meristem, stimulate growth of primary stem
- Tropism-movement of a plant in response to an environmental stimulus, causes auxins to elongate cells if they are not getting enough sunlight which makes the plant bend towards the light
- Tendency of a plant to grow towards light
- Response to touch, vines growing on anything they touch
- Up-and-down growth of plant
- Plants taking signals from length changes in days
21
Q
- Traits of animals?
- Homeotic genes?
- Homeobox genes?
- Vertebrate?
- Invertebrate?
- Phylum?
A
- Multicellular heterotrophs, supported by collagen, diploid and reproduce sexually, hox genes
- Control early development in organisms
- Hox genes, define head to tail pattern in animal embryos, tell genes what body part they are
- Animal with internal segmented back bone
- Invertebrates-animals without backbones
- Group of animal that share structural and functional characteristics