Pollen tube - Study guides, Class notes & Summaries

A small non-protein substance such as iron that works with enzymes to promote catalysis is known as: - correct answer An inorganic cofactor A particular plant has individuals that are either male or female. A male individual of this plant may have all of the following EXCEPT: a. a filament b. an anther c. a stigma d. pollen grains e. tube nuclei - correct answer c. a stigma The cells of which of the following organisms are prokaryotic? a. Mold b. Seaweed c. Blue-gre...

IB Biology Plants Study Guide Test. dicot flower parts-sepal - CORRECT ANSWER the original petals that protected the growing flower bud dicot flower parts-petals - CORRECT ANSWER provide protection and collection area for water and insects, and also can be brightly colored to attract insects dicot flower parts-anther - CORRECT ANSWER creates pollen (male gametes) dicot flower parts-filament - CORRECT ANSWER supports anther dicot flower parts-stamen - CORRECT ANSWER anther and fi...

1 molecule of glucose produces - 36 ATP 12 critical plant species for human population - Cereal grains (grasses): 1. Wheat (Europe & Middle East) 2. Rice (Far East) 3. Corn (Americas) Root crops: 4. White (Irish) potato (Peru) 5. Sweet potato (tropical Americas) 6. Casaba/Tapioca (South America) Sugar producing crops: 7. Sugar cane (East India) 8. Sugar beets (Western Europe) Legumes: 9. Common beans (Mexico, Central America) 10. Soy beans (China) Tree Crops: 11. Coconut (Southea...

Physical appearance of an organism (e.g. blue eyes) - correct answer Phenotype Genotype - correct answer The sets of genes (alleles) that an organism possesses (e.g. Bb) Allele - correct answer A different version of a gene Heterozygous - correct answer When the two alleles are different (e.g. Bb) H...

A plant, such as an iris, that reproduces asexually most of the time probably A) is found in a changing environment. B) produces offspring that move into new environments. C) lacks the ability to make flowers. D) forms spores. E) has offspring that live in the same environment as the parents. → E An oak tree is a A) sporophyte. B) gametophyte. C) gamete. D) spore. E) zygote. → A 8) The sexual life cycle of plants is described as alternation of generations because it alternate...

RN Pediatric Nursing Online Practice 2024 A Questions and Answers 100% Pass A nurse is teaching the parent of a preschooler about ways to prevent acute asthma attacks. Which of the following statements by the parents indicates and understanding of the teaching? a. "I will use a humidifier in my child's room at night" b. "I will give my child a cough suppressant every 6 hours if he has a cough." c. "I should avoid using a wet mop on my floors when I am cleaning." d. "I should keep...

After double fertilization in a typical angiosperm, what is the ploidy level of the endosperm? triploid In angiosperms, the ovary develops into a(n) _____. fruit The receptive surface for pollination in an angiosperm flower is the _____. stigma Which part of an angiosperm flower produces haploid spores which develop into pollen grains? Anther The innermost layer of the pollen sac wall that provides nourishment for the developing microspores and microgametophytes is the ____. tapetum As the ...

A plant, such as an iris, that reproduces asexually most of the time probably A) is found in a changing environment. B) produces offspring that move into new environments. C) lacks the ability to make flowers. D) forms spores. E) has offspring that live in the same environment as the parents. Ξ -:- E An oak tree is a A) sporophyte. B) gametophyte. C) gamete. D) spore. E) zygote. Ξ -:- A 8) The sexual life cycle of plants is described as alternation of generations because it alter...

Bio Gizmo Latest 2023 Already Passed Pollen these grains contain male gametes Ovule This structure contains female gametes Petal The colorful structure attracts pollinators to the flower Stigma This structure has a sticky surface to trap pollen grains Anther This structure produces and stores pollen Pollen tube These structures allow sperm cells to move through the style Receptacle This is a cup-like structure holds the flower sepal These structures protect the maturing flower bud Pistil...

SHHS BASF Plant Science Certification Practice Test Questions & Answers, rated A+ Which part of the plant cell provides the structural support and protection? - -Cell wall Which cell structure contains the cytoskeleton, cytosol, and organelles? - -Cytoplasm Maintaining proper levels of vegetation is an example of which type of conservation? - -Outdoor water conservation Which of the following is/are a benefit of weeds - -Soil stabilization, habitat and feed for wildlife, addition of ...