<LCPO> BIOLOGY
12th Edition
ISBN: 9781266216398
Author: Raven
Publisher: MCG CUSTOM
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Chapter 40, Problem 15U
Summary Introduction
Introduction:
The term protoplast was suggested by Hanstein in
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Which of the following cell wall layer gets soft and dissolved when a fruit, like a mango, ripens?
a. Tertiary walls
b. Middle Lamella
c. plasmodesmata
d. secondary wall
e. primary wall
Which of the following statements is INCORRECT about plant cells?
A. They have nucleus with circular chromosomes.
B. They have cytoplasm that contains all of the organelles.
C. They have rigid cell walls.
D. They have a large, fluid-filled space inside that helps them maintain their shape
Cell modification is the change in the structure of cell to carry out specialized function. Which of the following words will BEST describe the cell modification?
A. alteration
B. differentiation
C. evolution
D. mutation
You learned that cells are structurally modified so that they can perform their function efficiently and effectively. Which of the following structures have specialized functions due to cell modification?
I.Guard cells
II. Haemoglobin.
III. Trichomes
IV. Xylem vessels
A. I, II and III
B. I, II and IV
C. I, III, and IV
D. I, II, III, and IV
Which of the following statements best illustrate the adaptation and function of nodified cell?
A. The xylem in the leaf helps the leaf to be positioned horizontally towards the sun .
B. The hair-like structure in the root helps to increase the surface area of root hair cell
C. Red blood cell has biconcave for increasing its surface area thus diffusion of oxygen in and out of the cell becomes easy.
D. Guard cells are specialized in…
Chapter 40 Solutions
<LCPO> BIOLOGY
Ch. 40.1 - Prob. 1LOCh. 40.1 - Prob. 2LOCh. 40.1 - Prob. 3LOCh. 40.2 - Name the four genetically regulated flowering...Ch. 40.2 - Define floral determination.Ch. 40.2 - Prob. 3LOCh. 40.3 - Prob. 1LOCh. 40.3 - Prob. 2LOCh. 40.3 - Prob. 3LOCh. 40.4 - Prob. 1LO
Ch. 40.4 - Prob. 2LOCh. 40.4 - Prob. 3LOCh. 40.5 - Prob. 1LOCh. 40.5 - Prob. 2LOCh. 40.5 - Prob. 3LOCh. 40.6 - Prob. 1LOCh. 40.6 - Prob. 2LOCh. 40.7 - Prob. 1LOCh. 40.7 - Prob. 2LOCh. 40.7 - Prob. 3LOCh. 40.8 - Prob. 1LOCh. 40.8 - Prob. 2LOCh. 40.8 - Prob. 3LOCh. 40 - Prob. 1DACh. 40 - Prob. 1IQCh. 40 - Prob. 2IQCh. 40 - Prob. 3IQCh. 40 - Morphogenesis is the development of a. growth...Ch. 40 - Vernalization induces flowering following exposure...Ch. 40 - Prob. 3UCh. 40 - Which of the following is NOT a component of a...Ch. 40 - Megasporcs are produced in a. anthers by mitosis....Ch. 40 - A stamen contains a a. style. b. stigma. c....Ch. 40 - Unlike bee-pollinated flowers, bird-pollinated...Ch. 40 - Prob. 8UCh. 40 - Endosperm is produced by the union of a. a central...Ch. 40 - During the globular stage of embryo development,...Ch. 40 - Which of the following is NOT a primary meristem?...Ch. 40 - Prob. 12UCh. 40 - The shoot tip of an emerging maize seedling is...Ch. 40 - Asexual reproduction is likely to be most common...Ch. 40 - Prob. 15UCh. 40 - Prob. 16UCh. 40 - Prob. 17UCh. 40 - Prob. 1ACh. 40 - Your roommate is taking biology with you this...Ch. 40 - In Iowa, a company called Team Corn works to...Ch. 40 - Prob. 4ACh. 40 - One of the most notable differences between gamete...Ch. 40 - A plant lacking the WOODEN LEG gene will likely a....Ch. 40 - How would plant development change if the...Ch. 40 - Prob. 8ACh. 40 - Loss-of-function mutations in the suspensor gene...Ch. 40 - Prob. 1SCh. 40 - If you live in a north temperate region, explain...Ch. 40 - In wild columbine flower morphology encourages...Ch. 40 - In most part of the world, commercial potato crops...Ch. 40 - Design an experiment to determine whether light or...
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- Which of the following is the function of the plant cell's central vacuole? a. giving energy to the cell b. directing cellular activities c. helping increase the cell size d. transporting molecules across the cytoplasmarrow_forwardBoth Green plants and algal Charophycea have peroxisomes, which are: a. Organelles producing mitochondria. O b Organelles that start the process of cell division. Organelles involved in respiration. O d. Organelles producing cellulose. Organelles holding enzymes involved in metabolism. e.arrow_forwardA mutant plant has roots that grow in all directions. Which of the following organelles would you expect to be missing in the cell? a. mitochondria b. amyloplast c. chloroplast d. nucleusarrow_forward
- What are sites of mitosis in plants? Select one: a. apical meristem b. plasmodesmota c. guard cells d. aquaporins e. xylemarrow_forwardwhich of the following best describes the parenchyma tissue? a. cells with moderately thick walls for flexibility b. cells with very think walls with lignin for strength and support c. cells that are long with tapered ends and cell walls with pits d. cells that long and thin with large pores at their ends e. cells with large spaces for water storagearrow_forwardGive the correct biological term for each of the following statements: 1.A.Projection on the inner membrane of the mitochondrion B.Stack of membranous vesicles which are secretory in function C. Membrane around the vacuole D. Colourless plastids E. Pressure created by the protoplast on the cell wallarrow_forward
- A young plant has: O a. Several layers of secondary cell walls O b. Amiddle lamella close to the secondary cell wall O c. Aflexible primary cell walh O d. A tough primary cell wall O e. Few layers of primary cell wallarrow_forwardStructures found in protoplasm to help cells function are called a. the nucleolus. b. organelles. c. ribosomes. d. vacuoles.arrow_forwardSieve tube cells are used by plants for: O a. Taking up micronutrients from the soil. O b. Strengthening leaves. O c. Storing food. O d. Transporting sugars. O e. Storing water.arrow_forward
- Which of the following is not a function of proteins present in theplasma membrane?a. Proteins assist the passage of materials into the cell.b. Proteins interact with and recognize other cells.c. Proteins bind with specific hormones.d. Proteins carry out specific metabolic reactions.e. Proteins produce lipid molecules.arrow_forwardThe functional significance of the extensive network of hyphae in a mycelium isa. it allows many cells to take part in reproduction.b. it provides a massive surface area to absorb nutrients.c. it defends the individual against individual cell loss.d. it increases resistance to infection by soil bacteria.arrow_forwardWhich of the following statements about plasmodesmata is true? a. They prevent cytoplasm from passing between cells. b. They are important in the formation of tight junctions. c. They may float freely in the cytoplasm or be membrane-bound. d. They allow adjacent plant cells to communicate with each other.arrow_forward
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