Homework Answers
7) Plants support themselves via:
B) Turgor, cell walls, and xylem tissue
Plants support themselves by the thickened cellulose in cell wall, cell turgor and lignified xylem. Turgor pressure helps plants to stand tall.
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7. Plants support themselves via a. flaccidity, cell walls, and xylem tissue. b. turgor, cell walls,...
Phloem and xylem always lie adjacent to each other in plants. Together, they form which of...
Phloem and xylem always lie adjacent to each other in plants. Together, they form which of the following plant structures? Use letters in alphabetical order to select options A vascular bundle B epidermis C meristems D leaves Which phyllotaxes allow for leaves on a stem to lie flat without bending or breaking? Use letters in alphabetical order to select options A spiral and whorled B alternate and whorled C alternate and opposite D spiral and opposite Plant tissue that functions...
48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma...
48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma cells. Sclerenchyma cells contain all of the following EXCEPT a. lignin. b. cellulose c. hemicellulose d. pectin e. dextrin 49. Which of the following contains dissolved sugars? a. Xylem b. Phloem c. Stoma d. Mesophyll e. Stipules 50. Insectivorous plants: a. typically grow in nutrient-rich soil enhance a poor supply of CO2 through capturing prey c. use modified leaves to trap their prey d....
All land plants have single cell haploid and single cell diploid states single cell haploid and...
All land plants have single cell haploid and single cell diploid states single cell haploid and multicellular diploid states multicellular haploid and single cell diploid states multicellular haploid and multicellular diploid states A. B. C. D. E. diplontic life cycles 7. A gametophyte is B. c. 2n 3n 4n 5n A sporophyte is In 2n 3n C. D. E. 9. The dominant (bigger) state in mosses, liverworts, and hornworts is the A gametophyte sporophyte C. sporangium D. archegonium E. antheridium...
0. Which of the following statement in ot A. The evolutionary sign ficance of beighthy c....
0. Which of the following statement in ot A. The evolutionary sign ficance of beighthy c. D. None of the ahov colored fruits is thait bright celors aid seed dispersal 5 Eidermal ells C. The life cycle of plants are called ateration B. Which leaf cells lack chlonpls gmeration is dominan (Not sporophyte) monocot and 6What are xylem made out of 1 What is a seed leaf called? A. Upon germination, the cotyledon become the embryonic first leaves of a...
C. CELLS THAT TRANSPORT STUFF 1. Make several cross and longitudinal sections of potato and celery...
C. CELLS THAT TRANSPORT STUFF 1. Make several cross and longitudinal sections of potato and celery stems to observe vessels and tracheids of xylem tissue, and sieve cells of the phloem. What is the function of each of these types of cells? 2. Stain the sections with Aniline Blue (stains the B-1,3 glucose polymer callose located in sieve elements) and Phloroglucinol (stains the phenolic polymer lignin in secondary walls of vessels and tracheids). Were you correct in identifying phloem and...
7. Which of the following is seen in plants with self-fertilization? a. Each individual plant only...
7. Which of the following is seen in plants with self-fertilization? a. Each individual plant only produces either male or female flowers b. Male and female flowers are produced in different parts of the plant c. Male and female flowers are produced at different points in time d. Pollen tube is incompatible with stigma from the same plant e. Flower bud never opens, pollen flows directly to the stigma 8. Select one outcome that is NOT the result of the...
Which of the following would not support chlorophytes as the ancestor to land plants? Group of...
Which of the following would not support chlorophytes as the ancestor to land plants? Group of answer choices A) Both algae and land plants are photosynthetic B) Both algae and land plants have the same type of chlorophyll pigment C) Both algae and land plants have cell walls made of different molecules D) Both algae and land plants
9. Which of the following is not common to all pbyla of non-vascular plants? A. Development...
9. Which of the following is not common to all pbyla of non-vascular plants? A. Development of seeds B. Addition of lignin to cell walls C. Dominance of the diploid generation D. Sporophyte E. Xylem and phloem B. True/False (3 points each) 1) The fungi Lycoperdon belongs to the phylum zygomycetes. 2) The phylum Ascomycetes is composed of unicellular and multicellular fungi which are ubiquitous. 3) Sexual reproduction of liverworts involves structures called gemma cups. 4) All seed plants and...
7) Arteriosclerosis is caused by a. Deposits of fatty plaques in the arteries b. Loss of elasticity of the walls of...
7) Arteriosclerosis is caused by a. Deposits of fatty plaques in the arteries b. Loss of elasticity of the walls of blood vessels c. d. Loss of lymphatic tissue as a result of aging Inflammation of the arteries
You are asked to determine whether an unknown tissue specimen comes from a plant or an...
You are asked to determine whether an unknown tissue specimen comes from a plant or an 3. animal. Closer inspection with an electron microscope reveals that the cells are connected by small openings lined by extensions of the cell membrane and containing tubules connecting the endomembrane your observations? systems of adjacent cells. Which of the following conclusions can you draw from a. The openings are plasmodesmata, so the tissue must come from a plant. b. The openings are plasmodesmata, so...
48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma cells. Sclerenchyma cells contain all of the following EXCEPT a. lignin. b. cellulose c. hemicellulose d. pectin e. dextrin 49. Which of the following contains dissolved sugars? a. Xylem b. Phloem c. Stoma d. Mesophyll e. Stipules 50. Insectivorous plants: a. typically grow in nutrient-rich soil enhance a poor supply of CO2 through capturing prey c. use modified leaves to trap their prey d....
All land plants have single cell haploid and single cell diploid states single cell haploid and multicellular diploid states multicellular haploid and single cell diploid states multicellular haploid and multicellular diploid states A. B. C. D. E. diplontic life cycles 7. A gametophyte is B. c. 2n 3n 4n 5n A sporophyte is In 2n 3n C. D. E. 9. The dominant (bigger) state in mosses, liverworts, and hornworts is the A gametophyte sporophyte C. sporangium D. archegonium E. antheridium...
0. Which of the following statement in ot A. The evolutionary sign ficance of beighthy c. D. None of the ahov colored fruits is thait bright celors aid seed dispersal 5 Eidermal ells C. The life cycle of plants are called ateration B. Which leaf cells lack chlonpls gmeration is dominan (Not sporophyte) monocot and 6What are xylem made out of 1 What is a seed leaf called? A. Upon germination, the cotyledon become the embryonic first leaves of a...
C. CELLS THAT TRANSPORT STUFF 1. Make several cross and longitudinal sections of potato and celery stems to observe vessels and tracheids of xylem tissue, and sieve cells of the phloem. What is the function of each of these types of cells? 2. Stain the sections with Aniline Blue (stains the B-1,3 glucose polymer callose located in sieve elements) and Phloroglucinol (stains the phenolic polymer lignin in secondary walls of vessels and tracheids). Were you correct in identifying phloem and...
9. Which of the following is not common to all pbyla of non-vascular plants? A. Development of seeds B. Addition of lignin to cell walls C. Dominance of the diploid generation D. Sporophyte E. Xylem and phloem B. True/False (3 points each) 1) The fungi Lycoperdon belongs to the phylum zygomycetes. 2) The phylum Ascomycetes is composed of unicellular and multicellular fungi which are ubiquitous. 3) Sexual reproduction of liverworts involves structures called gemma cups. 4) All seed plants and...
7) Arteriosclerosis is caused by a. Deposits of fatty plaques in the arteries b. Loss of elasticity of the walls of blood vessels c. d. Loss of lymphatic tissue as a result of aging Inflammation of the arteries
You are asked to determine whether an unknown tissue specimen comes from a plant or an 3. animal. Closer inspection with an electron microscope reveals that the cells are connected by small openings lined by extensions of the cell membrane and containing tubules connecting the endomembrane your observations? systems of adjacent cells. Which of the following conclusions can you draw from a. The openings are plasmodesmata, so the tissue must come from a plant. b. The openings are plasmodesmata, so...
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