Pollen Study guides, Class notes & Summaries

Question Number Answer Additional Guidance Mark 1(a) The only correct answer is B A is incorrect because Down’s syndrome is an example of polysomy not monosomy C is incorrect because Down’s syndrome is caused by a chromosome mutation not a gene mutation D is incorrect because Down’s syndrome is caused by a chromosome mutation not a gene mutation (1) Question Number Answer Additional Guidance Mark 1(b) An answer that makes reference to the following: • birth order has no e...

Texas Children's Nutrition Guide Questions And Answers 100% Solved 90% of food allergies are caused by 8 foods ️️milk, soy, egg, wheat, fish shellfish, peanuts, tree nuts mild allergic reaction example ️️rash, hives severe food allergy reaction ️️anaphylaxis food allergies are associated with ️️decreased QOL, limited social interactions, atopic conditions, FTT IgE mediated reactions, ex and timing ️️anaphylaxis, hives, pollen-food allergy syndrome, angioedema, r...

AP Biology Multiple Choice Exam Questions and Answers A dog is following the scent of a jackrabbit. Which of the following accurately describes how the dog's brain integrates information for smell? A) Chemoreceptors in the brain send impulses for smell in the nasal cavity. B) Chemoreceptor cells in the nasal cavity sends impulses to the appropriate area of the brain. C) Chemoreceptors on epithelial cells of the tongue send hormones to the appropriate area of the brain. D) Receptors origina...

4 major plant parts include - roots stems leaves reproductive parts 4 functions of the root system include - absorption anchorage conduction storage 2 kind of root systems found in plants are - fibrous root systems and taproot systems Fibrous root system - root system that consists of numerous multi-branched roots that are slender; no one root is more prominent than the other. Tap root system (more difficult to transplant) - root system that consists of one main root that gro...

Exam 4: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: what makes a specific locus homozygous? Answer: if both homologous chromosomes carry the same allele at a given gene locus (also called true-breeding) Q: what makes a specific locus heterozygous? Answer: if 2 homologous chromosomes carry different alleles at a given gene locus (also called hybrid) Q: what is the punnett square method? Answer:...

Which of the following is NOT a defining trait of an animal? Eukaryote Multicellular Lack cell walls Feed by absorption Heterotrophic - Feed by absorption what the difference is between breeding and genetic engineering? - Genetic engineering allows the transfer of DNA material among completely different species, which is in most cases not possible for classical breeding Classical breeding often requires long time periods before a successful plant line has been established, genetic engi...

PBIO 1030 Exam Question and answers 100% correct 2024 PBIO 1030 Exam #2 Palynology - correct answer study of pollen Pollination - correct answer transfer of pollen from the anther to the stigma Endosperm - correct answer source of nutritive tissue for a growing plant (corn, wheat), important food resource for agricultural communities throughout history, makes up the bulk of grains, result of double fertilization in plants benefit of palynology - correct answer Forensic evidence in ...

Palynology and Benefits from this correct answer: Palynology: the study of pollen. Benefits: determines when agriculture originated in certain areas and who consumed it, helps solves criminal cases, meaning to native americans Pollination and Types of animals involved correct answer: Pollination: the transfer of pollen from anther to stigma Types of animals: Bees, wasps, flies, ants, butterflies, moths, birds, bats Plant strategies that attract pollinators. Animals necessary? correct a...

medical emergency: - sudden transient loss of conciousness - stress - correct answer syncope medical emergency: sudden drop in systolic blood pressure caused by change in body position - correct answer orthostatic hypotension medical emergency: reversible, chronic inflammatory disease of airway - correct answer asthma medical emergency: irreversible destruction of alveoli (smoking) - correct answer emphysema medical emergency: rapid breathing, usually stress - correct ...

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...