Exam 5: Membranes and Transport

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Bulk endocytosis is also called pinocytosis.

(True/False)
4.8/5
(41)

Which ion is actively transported to regulate pollen growth and fertilization? ​

(Multiple Choice)
4.8/5
(35)

The selective permeability of a cell membrane is due to ____. ​

(Multiple Choice)
4.8/5
(41)
Match each of the following mechanisms of cellular transport with its correct definition.
Premises:
phagocytosis
Responses:
Large particles are enveloped by the cell membrane and internalized.
Cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported.
Movement of a molecule from an area of high concentration to an area of lower concentration.
Correct Answer:
Verified
Premises:
Responses:
phagocytosis
Large particles are enveloped by the cell membrane and internalized.
(Matching)
4.7/5
(34)

Unlike active transport, facilitated diffusion does not become saturated at high concentrations.

(True/False)
4.7/5
(44)
Match each of the following mechanisms of cellular transport with its correct definition.
Premises:
facilitated diffusion
Responses:
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
Movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane.
Secretory vesicles that have moved through the cytoplasm along microtubules contact the plasma membrane and release their contents
Correct Answer:
Verified
Premises:
Responses:
facilitated diffusion
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
(Matching)
4.9/5
(40)

Which organelle's membrane contains the enzymes that convert light energy to chemical energy in eukaryotes? ​

(Multiple Choice)
4.9/5
(35)
Match each of the following mechanisms of cellular transport with its correct definition.
Premises:
diffusion
Responses:
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
Movement of a molecule from an area of high concentration to an area of lower concentration.
Large particles are enveloped by the cell membrane and internalized.
Correct Answer:
Verified
Premises:
Responses:
diffusion
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
(Matching)
4.8/5
(38)

Which type of lipid is most important to the structure of biological membranes? ​

(Multiple Choice)
4.9/5
(45)

The polar end of a phospholipid contains a phosphate group bound to ____, while the nonpolar end contains ____. ​

(Multiple Choice)
4.7/5
(42)

The selective permeability of a membrane refers to the ____.

(Multiple Choice)
4.9/5
(37)

Which proteins would be considered peripheral proteins? ​

(Multiple Choice)
4.9/5
(38)

In facilitated diffusion, the membrane components responsible for transport are proteins.

(True/False)
4.9/5
(35)
Match each of the following mechanisms of cellular transport with its correct definition.
Premises:
pinocytosis
Responses:
A process in which liquid droplets are ingested by living cells.
Large particles are enveloped by the cell membrane and internalized.
Movement of a molecule from an area of high concentration to an area of lower concentration.
Correct Answer:
Verified
Premises:
Responses:
pinocytosis
A process in which liquid droplets are ingested by living cells.
(Matching)
4.9/5
(50)

Which molecules coat the inside of the cytosolic membrane to help form endocytic vesicles? ​

(Multiple Choice)
4.8/5
(42)

In secondary active transport, when the driving ion concentration is high and the transport ion concentration is low outside of the cell, in which direction will the two ions move? ​

(Multiple Choice)
4.8/5
(38)
Match each of the following mechanisms of cellular transport with its correct definition.
Premises:
exocytosis
Responses:
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
Movement of a molecule from an area of high concentration to an area of lower concentration.
A process in which liquid droplets are ingested by living cells.
Correct Answer:
Verified
Premises:
Responses:
exocytosis
Diffusion of molecules across the plasma membrane with the assistance of transport proteins.
(Matching)
4.8/5
(29)

A transport system in which the transport of an ion in one direction provides the energy for active transport in the opposite direction is known as ____.

(Multiple Choice)
4.8/5
(37)

Glycolipids and glycoproteins form a surface coat on the outside of the cell surface called a ____, which protects the cell against chemical and mechanical damage. ​

(Multiple Choice)
4.9/5
(45)

A red blood cell placed in a beaker of solution immediately begins to swell and ultimately bursts. This occurs because the cytoplasm of the cell was ____ to the solution in the beaker, which was ____. ​

(Multiple Choice)
4.8/5
(36)
Showing 21 - 40 of 100
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)