Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 32, Problem 2VCQ
Figure 32.8 An embryo sac is missing the synergids. What specific impact would you expect this to have on fertilization?
- The pollen tube will be unable to form.
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Arrange the following flower and fruit development processes in order. (1st step to 5th step)The microspore mother cell produces haploid microspores. => stepThe flower produces pollen grains that will land on the stigma. => StepThe tube cell forms the pollen tube, anchoring on the synergid. => StepFirst sperm will fertilize the egg to form the zygote (becoming the embryo later on). => StepThe ovary wall enlarges forming the pericarp. => Step
Label the following:
Pollen Tube
Polar Nuclei
Micropyle Opening
Synergids
Sperm Cells
Ovary
Atipodal cells
Egg
In the figure below number three represent which process
Chapter 32 Solutions
Biology 2e
Ch. 32 - Figure 32.3 If the anther is missing, what type of...Ch. 32 - Figure 32.8 An embryo sac is missing the...Ch. 32 - Figure 32.20 What is the function of the...Ch. 32 - In a plant’s male reproductive organs, development...Ch. 32 - The stamen consists of a long stalk called the...Ch. 32 - Theare collectively called the calyx sepals petals...Ch. 32 - The pollen lands on which part of the flower?...Ch. 32 - After double fertilization: a zygote and ______...Ch. 32 - The fertilized ovule gives rise to the fruit seed...Ch. 32 - What is the term for a fruit that develops from...
Ch. 32 - The is the outermost covering of a______ fruit....Ch. 32 - _______ is a useful method of asexual reproduction...Ch. 32 - Which of the following is an advantage of asexual...Ch. 32 - Plants that flower once in their lifetime are...Ch. 32 - Plant species that complete their lifecycle in one...Ch. 32 - Describe the reproductive organs inside a flowerCh. 32 - Describe the two-stage lifecycle of plants: the...Ch. 32 - Describe the four main parts, or whorls, of a...Ch. 32 - Discuss the differences between a complete flower...Ch. 32 - Why do some seeds undergo a period of dormancy,...Ch. 32 - Discuss some ways in which fruit seeds are...Ch. 32 - What are some advantages of asexual reproduction...Ch. 32 - Describe natural and artificial methods of asexual...Ch. 32 - Discuss the life cycles of various plantsCh. 32 - How are plants classified on the basis of...
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- Figure 14.19 At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse c. When the seeds drop from the tree d. When the pollen tube begins to growarrow_forwardFigure 26.8 At what stage dees the diploid zygote form? when the female cone begins to bud from the tree at fertilization when the seeds drop from the tree when the pollen tube begins to growarrow_forwardYou are studying a type of plant known as " rockcress" or Arabidopsis sp. You discover a mutant in which the central cell of the female gametophyte cannot be fertilized. What structure will not form in these mutant plants? Synergids Pollen tube Endosperm Egg cellarrow_forward
- What process is occuring indicated by the letter A Name the strcuture indicated by the letter B Name the strcuture indicated by the letter C What process is occuring between zygote to embryo stage indicated by the letter D? What process indicated by letter E is occuring that result in the plant zygote? What strcuture is in the circle indicated by the letter F? What word is used to describe the strcuture indicated by the letter G? What are those small strcutures that are settling on this flower part indicated by the letter H.arrow_forwardNonearrow_forwardWhich of the following steps of sea urchin fertilization initiates the formation of the fertilization envelope? A Acrosomal reaction Fast block to polyspermy Egg activation Cortical reaction Chemo-attractionarrow_forward
- Label all stages in animal and plant life cycle with diploid, haploid as well as meiosis, mitosis, maturation and fertilisationarrow_forwardIndicate the ploidy number for each of the following cells indicated on the life cycle diagram above. Haploid = 1 and Diploid = 2. zygote Answer basidiospores Answer basidium with four nuclei Answer mycelia Answerarrow_forwardWhy is fertilization in flowering plants called double fertilization? two cells in the ovule are fertilized, the egg and the endosperm mother cell it takes the efforts of two flowers (male and female) to produce seeds two ovules must be fertilized to form a single seed one pollen grain fertilizes two ovules it takes two pollen grains to fertilize a single ovulearrow_forward
- The route followed by a sperm from production to fertilization in a flowering plant is: -A sperm cell, enclosed in a pollen grain with another sperm, is produced in the filamentIt is transported to a stigma where it passes through a pollen tube that grows down the style to the ovaryThe pollen grain enters the ovule and joins with the egg cell. -A sperm cell is produced in the antherIt is transported to a stigma where it becomes enclosed along with another sperm cell into a pollen grainThe pollen grain grows down the style to the ovaryIt enters the ovule and joins with the egg cell. -A pollen grain is produced in the pistil, which explosively ejects it into the airThe pollen grain is transported to a stigma where it forms two sperm cells.One of the sperm cells passes through a pollen tube that grows down the style to the ovaryThe sperm enters the ovule and joins with the egg cell. -A pollen grain is produced in the antherIt is transported to a stigma where it produces two sperm…arrow_forwardDouble fertilization in flowering plants occurs by two sperms that fertilize: * 1p O polar nuclei and egg cell. egg cell and synergid cell none is correct two egg cells. egg cell and endosperm. rotic cells it consists ofarrow_forwardIndicate the ploidy number for each of the following cells indicated on the life cycle diagram above. Haploid = 1 and Diploid = 2. zygote Answer basidiospores Answer basidium with four nuclei Answer mycelia Answerarrow_forward
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