What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 4, Problem 10MC
Summary Introduction
Introduction:
Chloroplasts capture solar energy to synthesize sugars.
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Which of the following statements is NOT TRUE about the organization and function of chloroplasts and mitochondria?
a.
The pH is very low in the matrix of both organelles.
b.
Both cristae and grana are infoldings of the inner membrane.
c.
Inner membranes contain the transport proteins and ATP Synthases.
d.
Both organelles can divide independently of the cell.
Which of the following statements is False?a. Photosynthesis occurs in plastids.b. Chloroplasts extract energy from food storagemolecules.c. Mitochondria likely originated from prokaryotic cells.d. Plant cell walls are a type of extracellular matrix.
Which of the following is NOT true about mitochondria and chloroplast proteins?
A. Proteins of both organelles are unfolded as they are transported. B. The proteins have N-terminal signal peptides
C. The proteins need a proteins translocator
D. The proteins remain unfolded once they cross the membranes
E. Most of the proteins are encoded by nuclear genome
Chapter 4 Solutions
What Is Life? A Guide to Biology with Physiology
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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
- Below is an image of a plant cell. Which of the following statements correctly matches a component with its labelled feature? [Hint: Please keep in mind where molecules function and also where they are synthesized]. A. Outer chloroplast membrane B. Thylakoid membrane C. Stroma D. Lumen E Nucleus E. F. Cytoplasm membrane Cll H. Rough ER I. Intermembrane Space J. Inner mitochondrial membrane K. Matrix DNA Methyl Transferases (DNMT) can be found in E and F. Histones can be found in E and F. 1. 2. 3 rRNA can be found in F. 4. TRNA can be found in E. O A. 1, 2 and 3 O B. 1 and 3 O C. 2 and 4 D. 4 only O E. All of 1, 2, 3, and 4 are correctarrow_forwardPlant cells contain both chloroplast and mitochondria. Which statement best explains why? a Only their leaf cells have chloroplast, and only their root cells have mitochondria b They use chloroplast during the day and mitochondria at night c They use chloroplast to produce glucose, and mitochondria to convert the glucose to ATP d If their mitochondria cannot make enough ATP, then they use their chloroplasts to help outarrow_forwardGive an example of two types of plant cells that lack chloroplasts. How do plant cells that lack chloroplasts produce the ATP they need? Do plant cells that contain chloroplasts also contain mitochondria?arrow_forward
- Three differences between animal and plant cells are Select one: a. Plant cells have mitochondria, large central vacuole, cell wall b. Plant cells have chloroplasts, large central vacuole, cell membrane c. Plant cells have chloroplasts, large central vacuole, cell wall d. Plant cells have chloroplasts, many small vacuoles, cell wallarrow_forwardA chloroplastic protein is encoded by a gene in the nucleus. Which of the following orders correctly describes the route that the protein took to get to the chloroplast? Select one: a. the protein is made in the chloroplast and stays in the chloroplast b. the protein is made in the chloroplast, exported to the cytosol, and then imported to the chloroplast c. ER, lysosome, golgi, chloroplast d. ER, golgi, chloroplast e. cytosol, chloroplast Clear my choicearrow_forward.a) In Activity 3, you drew plant cells and you may have noticed that the cells appear rectangular or square in shape. Which structure of the plant cell gives the cell its rigid, defined shape? b.Is this structure found in animal (cheek) cells?arrow_forward
- How are proteins normally transported into a plant cell’s chloroplast, if they were originally synthesized on ribosomes present in the cytosol (not on the rough endoplasmic reticulum)? A. they are packaged into vesicles with v-SNARES for fusion with their target organelles B. they can pass freely through large pores in the inner chloroplast membrane C. they are secreted by the Golgi, captured by receptors, and absorbed by endosomes D. they must pass through the nuclear envelope by means of nuclear pores E. they are unfolded in the translocation channel, then refolded by chaperonesarrow_forwardTo carry out its life functions, every plant cell requires (a) chloroplasts and ribosomes (b) mitochondria and ribosomes (c) mitochondria, chloroplasts, and lysosomes (d) mitochondria and chloroplasts (e) chloroplasts and a vacuolearrow_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_forward
- A cell performing photosynthesis can be compared to cook preparing a particular dish (say, adobo, for example). If this is so, to what can the following elements of photosynthesis be likened? One item is given as an example. a. photosynthetic cell: cook or chef b. light:________ c. chloroplast: _____________ d. CO2 and H2O:_____________ e. Glucose:__________________arrow_forwardWhich of the following plays an important part in photosynthesis? A) Chloroplast B) Centrosome C) Tonoplast D) Nematoblastarrow_forwardOnion and Elodea are both plants, yes chloroplasts are only visible in the Elodea cells. How do you explain this? Both are plant cells and contain chloroplasts, onion is invisible because without stain it. Both are plant cells, but elodea contains chloroplasts because it is leaf cells onion is root cells does not contain chloroplasts Both are plant cells and contain chloroplasts, onion is invisible because no pigment All are abovearrow_forward
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