Pollen - Study guides, Revision notes & Summaries

How do you investigate the effect of sucrose concentration on the growth of pollen tubes? - Answer 1. Make up solutions of sucrose between 0.2-2 moldm-3 2. Collect a petri dish for each sucrose concentration and place a moistened filter paper on each 3. Collect one microscope slide per concentration 4. Place a few drops of sucrose plus mineral salt medium in the dip of each slide 5. Gently rub the point of a mounted needle over the mature anthers of a flower so the pollen falls on the slid...

BPS 1101 – Final Exam Study Guide Questions with Complete Solutions What are allergies? - Correct Answer Adverse reaction to harmless materials. What is your immune system responding to in the case of allergies? - Correct Answer Epitopes of molecules from pathogens. How does your immune system "remember" the material? - Correct Answer Memory cells How does subsequent exposure produce a reaction? - Correct Answer -Protection from pathogens Will you get an allergic response from t...

3 ways cowbirds find hosts - 1. sit high on perch and look around 2. walk on ground and look 3. drive birds off by scaring them so that they can lay their eggs 4 advantages of seed dispersal - -Avoids crowding competition -Prevents spread of disease -Prevents in-breeding -Saves some offspring from being eaten 5 adaptations of obligate brood parasites - 1. fast egg laying (20-40 sec for cowbirds) 2. thicker egg shells 3. fast hatching egg 4. removal of host egg prior to laying 5. baby ...

1# problem for predators - Starvation Active searching - (search and capture) Walking around until they pick up a trail of prey. Wolfs, wolf spiders, Tiger beetles. Adaptations for storing food - Enlarged salivary glands that make food sticky can stick to places. Nest early, Memory (a large hippocampus provides excellent spatial memory). Chickadee's hippocampus grows larger before winter. Adaptions of Brown Headed Cowbirds - Fast egg laying, 20-40 seconds compare to hour to not get caugh...

Bio 112 Exam 3 Janes TAMU Latest Update Graded A+ Bryophytes Characteristics Vascular: no Seed Bearing: no Dominant Generation: gametophyte Examples/Phyla: liverwort, mosses, hornwort Special features: use spores, no seeds, need water for reproduction Paleozoic or Mesozoic: Paleozoic Ferns Characteristics Vascular: yes Seed Bearing: no Dominant Generation: sporophyte Examples/Phyla: monilophyta Special features: have sporangium Paleozoic or Mesozoic: Paleozoic Gymnosperms C...

RN Nursing Care of Children Practice 2019 A and B ATI Complete Solutions with Correct Answers A nurse is creating a plan of care for a school-age child who has heart disease and has developed heart failure. Which of the following interventions should the nurse include in the plan? Provide small, frequent meals for the child. The metabolic rate of a child who has heart failure is high because of poor cardiac function. Therefore, the nurse should provide small, frequent meals for the child ...

Gymnosperms (conifers) Seeds not enclosed in ripened ovary. Angiosperms (Flowering plants) Seeds are enclosed in a ripened ovary/fruit. 7 characteristics of seed plants 1. Megaphyllous leaves (branched veins w/ leaf trace gaps) 2. Heterospory [advanced] (production of spores of two different sizes and sexes) 3. Eusporangiate 4. Xylem and phloem 5. Dominant and independent sporophyte 6. Gametophyte is dependent on the sporophyte for nutrition 7. Reproduce by seeds Se...

Gymnosperms - Answer-(conifers) Seeds not enclosed in ripened ovary. Angiosperms - Answer-(Flowering plants) Seeds are enclosed in a ripened ovary/fruit. 7 characteristics of seed plants - Answer-1. Megaphyllous leaves (branched veins w/ leaf trace gaps) 2. Heterospory [advanced] (production of spores of two different sizes and sexes) 3. Eusporangiate 4. Xylem and phloem 5. Dominant and independent sporophyte 6. Gametophyte is dependent on the sporophyte for nutrition 7. Reproduce by see...

Food Safety Manager Exam (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: It is most important for an employee to use proper handwashing techniques after they a) talk on the phone b) use a restroom c) take an order d) drink from a closed container Answer: b) use a restroom Q: An inspection can occur only a) when the Person in Charge is present b) when the inspector notifies the facility 24 hours in advance c) when the facility is open or dur...

Volledige samenvatting van de lectures van de cursus Anthropology of Violence: Actors, Repertoires & Subjectivities () Universiteit Utrecht. De samenvatting omvat alle leerstof van de lectures: 1. Anthropology of Violence: What is violence? 2. Colonial and Postcolonial Violence 3. War-time Violence 4. Trauma and Embodied Violence 5. Urban Violence and Resilience 6. Violence, Gender and Sexuality 7. How to Study Violence?