. What organelles are the main components of the endomembrane system? a. Cell membrane and cell wall b. ER and Golgi apparatus c. Mitochondria d. Nucleus, nuclear pores, and nucleolu 2. What are the two most important structures involved in moving chromosomes during mitosis? a. centrosomes and chromosomes b. centrosomes and mitotic spindle fibers c. kinetochores and chromosomes d. kinetochores and mitotic spindle fibers 3. What is nuclear localization signal? a. A signal built into a protein that directs it to the nucleus b. A molecule that is attached to nuclear proteins, so that they are retained inside the structure c. A component of the nuclear pore complex d. A stretch of amino acids that directs proteins from the nucleus to the ER
. What organelles are the main components of the endomembrane system? a. Cell membrane and cell wall b. ER and Golgi apparatus c. Mitochondria d. Nucleus, nuclear pores, and nucleolu 2. What are the two most important structures involved in moving chromosomes during mitosis? a. centrosomes and chromosomes b. centrosomes and mitotic spindle fibers c. kinetochores and chromosomes d. kinetochores and mitotic spindle fibers 3. What is nuclear localization signal? a. A signal built into a protein that directs it to the nucleus b. A molecule that is attached to nuclear proteins, so that they are retained inside the structure c. A component of the nuclear pore complex d. A stretch of amino acids that directs proteins from the nucleus to the ER
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
1. What organelles are the main components of the endomembrane system?
a. Cell membrane and cell wall
b. ER and Golgi apparatus
c. Mitochondria
d. Nucleus, nuclear pores, and nucleolu
2. What are the two most important structures involved in moving chromosomes during mitosis?
a. centrosomes and chromosomes
b. centrosomes and mitotic spindle fibers
c. kinetochores and chromosomes
d. kinetochores and mitotic spindle fibers
3. What is nuclear localization signal?
a. A signal built into a protein that directs it to the nucleus
b. A molecule that is attached to nuclear proteins, so that they are retained inside the structure
c. A component of the nuclear pore complex
d. A stretch of amino acids that directs proteins from the nucleus to the ER
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