Biology Chapter 4 & 5

31 Questions | By Gabygarzaovalle | Updated: Mar 22, 2022 | Attempts: 979

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1.

Substances that can pass through cell membranes by diffussion include
- A.
  
  Na+ Ions
- B.
  
  Cl- Ions
- C.
  
  Glucose
- D.
  
  Oxygen
2.

The contractile vacuole of a paramecium should be active when the paramecium is in
- A.
  
  An isotonic environment
- B.
  
  A hypotonic environment
- C.
  
  A hypertonic environment
- D.
  
  Any environment
3.

When a human red blood cell is placed in a hypotonic environment, it will
- A.
  
  Undergo cytolisis
- B.
  
  Undergo plasmolysis
- C.
  
  Experience a decrease in turgor pressure
- D.
  
  Be at equilibrium
4.

Facilitated diffusion is often used to transport
- A.
  
  Ions
- B.
  
  Water
- C.
  
  Molecules that are not soluble in lipids
- D.
  
  Molecules that are too small to diffuse
5.

Na+ ions enter cells by
- A.
  
  Diffusing across the lipid bilayer without assitance
- B.
  
  Diffusing through Na+ ions channels
- C.
  
  Binding to Na+ carrier proteins
- D.
  
  Binding to CL+ ions
6.

Facilitated diffusion carrier proteins and cell membrane pumps both
- A.
  
  Requiere an input of energy
- B.
  
  Are specific for the kinds of substances they transport
- C.
  
  Transport substances up their concentration gradients
- D.
  
  Carry out active transport
7.

The sodium potassium pump transports
- A.
  
  Na+ out of the cell and K+ into the cell
- B.
  
  Na+ and K+ in both directions across the cell membrane
- C.
  
  K+ out of the cell and Na´into the cell
- D.
  
  Na+ during some cycles and K+ during other cycles
8.

The energy needed to power the sodium potassium pump is provided by the
- A.
  
  Binding of ATP to the pump
- B.
  
  Transport of ATP by the pump
- C.
  
  Removal of a phosphate group from ATP
- D.
  
  Formation of ATP
9.

Pinocytosis involves the transport of
- A.
  
  Large particles out of a cell
- B.
  
  Fluids into a cell
- C.
  
  Whole cells into another cell
- D.
  
  Lysosomes out of a cell
10.

Exocytosis is a
- A.
  
  Type of passive transport
- B.
  
  Mechanism by which cells ingest other cells
- C.
  
  Transport process in which vesicles are formed from pouches in the cell membrane
- D.
  
  Way for cells to release large molecules, such as ptroteins
11.

One early piece of evidence supporting the cell theory was the observation that
- A.
  
  Only plants are composed of cells
- B.
  
  Only animals are composed of cells
- C.
  
  Cells come from other cells
- D.
  
  Animal cells come from plant cells
12.

The scientist who described cells as many little boxes was
- A.
  
  Robert hooke
- B.
  
  Anton van leeuwenhoek
- C.
  
  Theodor schwann
- D.
  
  Rudolf virchow
13.

Living and nonliving things are different in that only
- A.
  
  Nonliving things are made of cells
- B.
  
  Nonliving things are made of atoms
- C.
  
  Living things are made of cells
- D.
  
  Living things are made of atoms
14.

Microscopes were used to study cells beginning in the
- A.
  
  16th century
- B.
  
  17th century
- C.
  
  18th century
- D.
  
  19th century
15.

The advantage of van Leeuwenhoek's mircoscopes was that
- A.
  
  They were simple
- B.
  
  They had two lenses
- C.
  
  The lenses could be moved
- D.
  
  The lenses were ground very precisely
16.

Which of the following was major event in the history of cell biology?
- A.
  
  Cloning animals
- B.
  
  Growing bone tissue for trasplant
- C.
  
  Discovery of cell parts
- D.
  
  All of the above
17.

A light microscope uses optical lenses to magnify objects by
- A.
  
  Bending light rays
- B.
  
  Bending electron means
- C.
  
  Reflecting beams of light
- D.
  
  Reflecting beams of electrons
18.

Cells are limited in size by the
- A.
  
  Rate at which substances needed by the cell can enter the cell through its surface
- B.
  
  Rate at which the cell can manufacture genetic information
- C.
  
  Amount of material the cell can collect to fill itself
- D.
  
  Amount of cell membrane the cell can produce
19.

The diameter of most plant and animals cells is about
- A.
  
  0.1 to 0.2 um
- B.
  
  10 to 50 um
- C.
  
  1 to 2 mm
- D.
  
  10 to 50 mm
20.

The characteristic of a nerve cell that relates directly to its function in receiving and transmitting nerve impulses is its
- A.
  
  Long extensions
- B.
  
  Flat shape
- C.
  
  Ability to change shape
- D.
  
  Ability to engulf and destroy bacteria
21.

One difference between eukaryotic and prokaryotic cells is that only
- A.
  
  Prokaryotic cells are surrounded by a cell membrane
- B.
  
  Prokaryotic cells have a nucleus
- C.
  
  Eukaryotic cells have genetic information
- D.
  
  Eukaryotic cells have membrane bound organelles
22.

The plasma membrane
- A.
  
  Allows all substances to pass into and out of the cell
- B.
  
  Prevents all substances from passing into and out of the cell
- C.
  
  Is composed mainly of a protein bilayer
- D.
  
  Is composed mainly of a lipid bilayer
23.

Substances produces in a cell and exported outside of the cell would pass through the
- A.
  
  Endoplasmic reticulum and golgi aparattus
- B.
  
  Mitochondria and golgi apparatus
- C.
  
  Nucleus and lysosomes
- D.
  
  Vacuoles and lysosomes
24.

Cells that have a high energy requirement generally have many
- A.
  
  Nuclei
- B.
  
  Flagella
- C.
  
  Mitochondria
- D.
  
  Microfilaments
25.

Viruses, bacteria, and old organelles that a cell ingests are broken down in
- A.
  
  Ribosomes
- B.
  
  Lysosomes
- C.
  
  Rough endoplasmic reticulum
- D.
  
  Smooth encoplasmic reticulum