Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 41, 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 41 Solutions
Biology
Ch. 41 - Morphogenesis is the development of a. growth...Ch. 41 - Vernalization induces flowering following exposure...Ch. 41 - Prob. 3UCh. 41 - Which of the following is NOT a component of a...Ch. 41 - Megasporcs are produced in a. anthers by mitosis....Ch. 41 - A stamen contains a a. style. b. stigma. c....Ch. 41 - Unlike bee-pollinated flowers, bird-pollinated...Ch. 41 - Prob. 8UCh. 41 - Endosperm is produced by the union of a. a central...Ch. 41 - During the globular stage of embryo development,...
Ch. 41 - Which of the following is NOT a primary meristem?...Ch. 41 - Prob. 12UCh. 41 - The shoot tip of an emerging maize seedling is...Ch. 41 - Asexual reproduction is likely to be most common...Ch. 41 - Prob. 15UCh. 41 - Prob. 16UCh. 41 - Prob. 17UCh. 41 - Prob. 1ACh. 41 - Your roommate is taking biology with you this...Ch. 41 - In Iowa, a company called Team Corn works to...Ch. 41 - Prob. 4ACh. 41 - One of the most notable differences between gamete...Ch. 41 - A plant lacking the WOODEN LEG gene will likely a....Ch. 41 - How would plant development change if the...Ch. 41 - Prob. 8ACh. 41 - Loss-of-function mutations in the suspensor gene...Ch. 41 - Prob. 1SCh. 41 - If you live in a north temperate region, explain...Ch. 41 - In wild columbine flower morphology encourages...Ch. 41 - In most part of the world, commercial potato crops...Ch. 41 - 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_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
- What are sites of mitosis in plants? Select one: a. apical meristem b. plasmodesmota c. guard cells d. aquaporins e. xylemarrow_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_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
- The cell walls of fungi are strengthened by chitin, a strong but flexible polysaccharide. Which of these statements about the function of chitin in fungal cell wall is TRUE? a. Chitin-rich walls of fungi improves feeding by facilitated diffusion. b. The movement of water and nutrients into fungal cells creates pressure that could cause them to burst if they were not surrounded by a chitin-rich cell wall. c. The chitin present in fungal cell wall does not impart any advantage in terms of nutrient acquisition from the environment. d. Chitinous tubular cell walls confers motility to multicellular fungi.arrow_forwardThe middle lamella of plant cells is made of Select one: a. A sugar called pectin b. A sugar called lignin c. A sugar called cellulose d. proteoglycans (GAGs)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_forward
- Flatworm parenchyma cells that are stem cells: a. pigment b. fixed parenchyma cells c. neoblasts cells d. neural crest cells e. chromatophoresarrow_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_forwardWhich of the following statements correctly describes one difference between green algae and land plants? A. green algae are often unicellular, while land plants are not B. land plants have plastids and green algae do not C. algae have alternation of generations but land plants do not D. land plants have cell walls containing cellulose but green algae do notarrow_forward
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