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

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

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter4: Cell Structure

Section: Chapter Questions

Problem 6SA: What controls the passage of molecules into and out of the nucleus? a. endoplasmic reticulum, an...

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What controls the passage of molecules into and out of the nucleus? a. endoplasmic reticulum, an extension of the nucleus b. nuclear pores, which consists of membrane proteins c. nucleoli, in which ribosome subunits are made d. dynamically assembled microtubules e. tight junctions
The organelle(s) that has/have double-membrane, own DNA, and ribosome is/are: The organelle(s) that has/have double-membrane, own DNA, and ribosome is/are: nucleus mitochondria chloroplasts endoplasmic reticulum B, and C
Which of the following correctly compares how plant and animal cells differ?a. Plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.b. Plant cells have a cell membrane and cells walls for suppo, but animal cells do not have cell walls.c. Plant cells have ribosomes for synthesis, while animal cells have the Golgi apparatus.d. Plant cells have many small vacuoles for storage, while animal cells have one large central vacuole.
Chloroplasts and mitochondria require protein import because _________. Select one: a. these organelles have a genome b. these organelles don’t have a genome c. these organelles have ribosomes, but can’t make proteins d. these organelles don’t have ribosome’s e. most of the proteins required by these organelles are encoded by genes in the nucleus
certain cells in the pancreas of animals produce and secrete insulin. Which of the following organelles would be found in abundance in these cells? a.) centrioles and spindle fibers b.) lysosomes and peroxisomes c.) rough ER and golgi apperatus
In animal cells, lysosomes are the organelles in charge of digesting enzymes withnutrients that the cell consumes. If all the lysosomes in a cell were to break, what wouldwould initially happen to the cell?A. Molecules within it would degrade.B. It would lose all the water in the cytoplasm.C. There would be no cellular respiration.D. No proteins would form.
In the cells of honey badgers, DNA can be found in which compartments: Select one: a. cytosol b. nucleus c. nucleus and cytosol d. nucleus, mitochondria, and chloroplasts e. nucleus and mitochondria
Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatus
Which is not true of Eukaryotic cells? A) A true nucleus contains DNA in the form of chromosomes B) Eukaryotic cells contain membrane-bounded compartments or organelles C) Their Dna employs a nucleoid area to produce proteins D) Thye all contain mitochondria E) They contain specialized organelles in the cytoplasm Explain why
In order for the Golgi apparatus to release synthesized molecules to the outside of the cell (exocytosis), one would expect that the Golgi vesicle a) regulates the DNA. b) causes the translation of DNA into RNA, c) has specific membrane proteins that causes these vesicles to bind to specific binding molecules in the cell membranes. d) forms the chloroplasts membrane. e) binds the DNA to RNA
The nucleus and mitochondria share which of the following features?a. protein-lined membrane poresb. a double cell membranec. the synthesis of ribosomesd. the production of cellular energy
Proteins trafficked to the nucleus arrive ____. In the mitochondria, proteins are trafficked in a _____ state. Select one: a. via a vesicle, folded b. bound to ribosomes, linearized c. folded, unfolded d. unfolded, folded e. bound to ribosomes, unfolded