Biology Biology Practice Problems Solutions Library

Endomembrane System Solutions Library

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36 solutions

Endomembrane System

Q. Cellular location of protein synthesisA. Golgi apparatus or nucleusB. Rough ER or cytoplasmC. Mitochondria or nucleusD. Golgi apparatus or cytoplas...

Solved • Oct 5, 2018

Endomembrane System

Q. The data table shown below compares the relative number of different organelles in cell X.Which of the following is most likely the source of cell ...

Solved • Sep 16, 2018

Endomembrane System

Q. List two organelles that belong to the Endomembrane System and give a function for each.

Solved • Aug 7, 2018

Endomembrane System

Q. Compared with other cell components (organelles, cell membrane or nucleus), themitochondria would be the only one that would:A. produce ATP via gly...

Solved • Aug 3, 2018

Endomembrane System

Q. How is a dialysis membrane selectively permeable - what permeates and what does not?

Solved • Aug 3, 2018

Endomembrane System

Q. How is a cell membrane selectively permeable - what permeates and what does not?

Solved • Aug 3, 2018

Endomembrane System

Q. Choose which protein/(s) in the list below are synthesized by ribosomes attached to the ER.A. A protein that resides in the chloroplastB. A protein...

Solved • Jul 26, 2018

Endomembrane System

Q. Provide two similarities and two differences in the molecular mechanisms of how proteins are transported into the ER and into the nucleus.

Solved • Jul 10, 2018

Endomembrane System

Q. Why cells have membrane potential? Which ions are high inside? Which ions are low inside?

Solved • Jul 6, 2018

Endomembrane System

Q. What is the function of ER?

Solved • Jul 5, 2018

Endomembrane System

Q. What is the importance of the resting membrane potential to cells such as neurons and muscles? What about other cells of the body? Do they also hav...

Solved • Jun 29, 2018

Endomembrane System

Q. What is the major difference between gated and non-gated ion channels? Give an example of two different gating signals.

Solved • Jun 21, 2018

Endomembrane System

Q. What distinguishes channel proteins from transporter proteins in cellular membranes?

Solved • Jun 13, 2018

Endomembrane System

Q. What makes channels proteins selective for transport of a particular ion or small molecule?

Solved • Jun 13, 2018

Endomembrane System

Q. What are biological membranes composed of?

Solved • Jun 13, 2018

Endomembrane System

Q. Why do eukaryotes have so many intracellular membrane-bound compartments?

Solved • Jun 13, 2018

Endomembrane System

Q. Which of the following statements about SNARE-mediated membrane fusion are correct? More than one answer may be selected. a. SNAREs from both the c...

Solved • Jun 8, 2018

Endomembrane System

Q. Describe the cell membrane. What molecules comprise it? What makes it selectively permeable? Why is it so important?

Solved • Jun 8, 2018

Endomembrane System

Q. The membrane of an animal cell nucleus contains phosphatidylcholine in which a significant number of the fatty acid residues are saturated. After r...

Solved • May 24, 2018

Endomembrane System

Q. Explain how organisms are able to maintain a relatively constant membrane fluidity when faced with extremes in temperatures.

Solved • May 23, 2018

Endomembrane System

Q. Discuss how molecules move across the cell membrane by active transport and passive transport.

Solved • May 18, 2018

Endomembrane System

Q. For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would resul...

Solved • May 3, 2018

Endomembrane System

Q. In order for a milk protein to be secreted, it must be moved between organelles:  a. In spheres of lipid bilayer called vesicles b. By release in...

Solved • Aug 2, 2017

Endomembrane System

Q. In order for a milk protein to be secreted, its mRNA must first be translated on ribosomes:  a. In the cytoplasm b. In the nucleus c. Attached t...

Solved • Aug 2, 2017

Endomembrane System

Q. Which are recycling centers for the cell?  a. Ribosome and Golgi apparatus b. Endoplasmic reticulum and chloroplast c. Mitochondria and nucleus ...

Solved • Aug 2, 2017

Endomembrane System

Q. A central vacuole:  a. Produces protein b. Produces turgor pressure c. Produces mRNA d. Stores genetic information e. Produces energy from nut...

Solved • Aug 2, 2017

Endomembrane System

Q. Which of the following are cellular digestion centers? a. Peroxisomes and ribosomesb. Lysosomes and peroxisomesc. Ribosomes and chloroplastsd. Chlo...

Solved • Aug 2, 2017

Endomembrane System

Q. The Golgi apparatus is not:  a. An organelle b. A processing center c. Studded with ribosomes d. A stack of membrane enclosed sacs e. Involved...

Solved • Aug 2, 2017

Endomembrane System

Q. The rough or smooth endoplasmic reticulum do not:  a. Produce proteins b. Produce lipids c. Detoxify poisons d. Produce mRNA e. Form vesicles ...

Solved • Aug 2, 2017

Endomembrane System

Q. When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell. As a result of this that cell will: a. re...

Solved • Jul 26, 2017

Endomembrane System

Q. Lipid synthesis occurs in which eukaryotic organelle?a. rough ERb. smooth ERc. lysosomesd. mitochondriae. nucleolus

Solved • Jul 18, 2017

Endomembrane System

Q. The eukaryotic organelle that is directly involved in the transport of proteins synthesized on the surface of the rough ER is calleda. mitochondria...

Solved • Jul 18, 2017

Endomembrane System

Q. Some ribosomes are embedded intoa. chromosomesb. smooth endoplasmic reticulumc. rough endoplasmic reticulumd. histonese. vacuoles

Solved • Jul 18, 2017

Endomembrane System

Q. Plant cells often have a large membrane-bound sac that is used for storing water and other substances. This organelle is calleda. nucleusb. chlorop...

Solved • Jul 18, 2017

Endomembrane System

Q. Membrane-bound organelles that contain powerful enzymes found in cells are known as a.  lysosomes b.  plastids c.  vacuoles d.  liposomes e.  ...

Solved • Jul 18, 2017

Endomembrane System

Q. Which of the following is  not the name of a membrane-bound compartment in a eukaryotic cell? a. Ribosome b. ER lumen c. Mitochondrial matrix d...

Solved • Jul 13, 2017