BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 28, Problem 7U
If a cell contains a pellicle, it
a. can change shape readily.
b. is shaped like a sphere.
c. is shaped like a torpedo.
d. must have a contractile vacuole.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which 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.
A type of cell connection whose only function is to prevent the cellsfrom coming apart is aa. desmosome. b. gap junction. c. tight junction.
A dikaryotic cell develops into a zygote whena. mitosis divides the two nuclei into separate cells, which thencombine at fertilization.b. mitosis occurs without cytokinesis.c. the two haploid nuclei within the cell fuse.d. meiosis occurs once and cytokinesis occurs twice.
Chapter 28 Solutions
BIOLOGY
Ch. 28.1 - Prob. 1LOCh. 28.1 - Define endosymbiosis and explain how it relates to...Ch. 28.1 - Describe how mitosis in fungi and some protists...Ch. 28.2 - Describe how an organism would be classified as a...Ch. 28.2 - Prob. 2LOCh. 28.2 - Prob. 3LOCh. 28.3 - List the main features of diplomonads and...Ch. 28.3 - Prob. 2LOCh. 28.3 - Prob. 3LOCh. 28.3 - Prob. 4LO
Ch. 28.4 - Identify the distinguishing feature of the members...Ch. 28.4 - Prob. 2LOCh. 28.4 - Prob. 3LOCh. 28.4 - Prob. 4LOCh. 28.5 - Prob. 1LOCh. 28.5 - Distinguish between cellular and plasmodial slime...Ch. 28.6 - Prob. 1LOCh. 28.6 - Describe how humans use red algae.Ch. 28.6 - Explain why charophytes are considered the closest...Ch. 28.7 - Prob. 1LOCh. 28.7 - Prob. 2LOCh. 28.8 - Prob. 1LOCh. 28 - Prob. 1DACh. 28 - Prob. 1IQCh. 28 - Prob. 2IQCh. 28 - Fossil evidence of eukaryotes dates back to a. 2.5...Ch. 28 - DNA is not found in this organelle. a. Endoplasmic...Ch. 28 - Prob. 3UCh. 28 - Both diplomonads and parabasalids a. contain...Ch. 28 - Trypanosomes are examples of a. euglenoids. b....Ch. 28 - Prob. 6UCh. 28 - If a cell contains a pellicle, it a. can change...Ch. 28 - Strainenopila are a. tiny flagella. b. large...Ch. 28 - Choose all of the following that exlubit an...Ch. 28 - Choose all of the following that are...Ch. 28 - Prob. 11UCh. 28 - When food is scarce, cells of this organism...Ch. 28 - Analyze the following statement; and chose the one...Ch. 28 - Determine which feature of the choanoflagellates...Ch. 28 - Examine the life cycle of cellular slime molds,...Ch. 28 - Modem taxooomic treatments rely heavily on...Ch. 28 - Prob. 2SCh. 28 - Design an experiment to demonstrate that cells of...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- B = if the second sentence is true and the first is false C = if both sentences are true. D = if both sentences are false. The first definition and structure of the "cell" was written and drawn in the book Micrographia. However, the first observed cells were non living, derived from the cork of an Oak tree. A. A B. B C. C D. D Oarrow_forwardCell division occurs during:a. M phase.b. S phase.c. G2 phase.d. G1 phasearrow_forwardPart of cell division is that chromosomes are moved the center of the cell and then back to the poles of each newly made daughter cell. These chromosomes are moved to the center of the cell by.. Select one: a. Myosin walking on microtubules towards the center of the cell (slow growing end of microtubule) b. Oar-like motion of myosin with microfilaments causing each half of the cell to move closer together c. kinesins walking on microtubules towards the center of the cell (fast growing end of microtubule) d. vesicles floating on microfilaments of the cortical cytoskeletonarrow_forward
- Structures found in protoplasm to help cells function are called a. the nucleolus. b. organelles. c. ribosomes. d. vacuoles.arrow_forwardThe functions of centrioles include ...... a.serving as the site for ribosomal RNA synthesis b.producing ATP c.providing a whiplike beating motion to move substances along cell surfaces d.organizing the mitotic spindle in cell divisionarrow_forwardA = if the first sentence is true and the second is false B = if the second sentence is true and the first is false true. false. The cytoplasm was once known as sarcode. Discovered by a German Biologist, Felix Dujardin. A. A B. B C. C D. D O C = if both sentences are D = if both sentences arearrow_forward
- FtsZ proteins direct the formation of a _______ that will eventually form the new cell walls of the daughter cells. a. contractile ring b. cell plate c. cytoskeleton d. septumarrow_forwardWhat do you call a finger-like projection that arises from epithelial layer in some organs that helps to increase surface area allowing for faster and more efficient adsorption? A. cillia B. flagella C. microvilli D. villi 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 Trichomes Xylem vessels III. IV. A. 1, 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…arrow_forwardThe partition that results from the inward growth of the cell envelope from opposite directions during cell division is known as the a. divisome b. endosome c. septum d. Z-ring e. replisomearrow_forward
- Both 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_forwardWhich 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 shapearrow_forwardWhat is necessary to make a cleavage furrow during cytokinesis? A. Kinesin "walking" along microtubules B. Myosin filaments shortening C. Actin and myosin-mediated contraction D. All of the above E. None of the abovearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY