Alexandra Bozan
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Study Guide: Cell Function

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Alexandra Bozan
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Study Guide: Cell Function

Question 1 of 38

1

Which of the following is not a passive transport process?

Select one of the following:

  • dialysis

  • osmosis

  • filtration

  • pinocytosis

Explanation

Question 2 of 38

1

Diffusion of water through a selectively permeable membrane in the presence of at least one impermeant solute is referred to as:

Select one of the following:

  • diffusion

  • osmosis

  • phagocytosis

  • dialysis

Explanation

Question 3 of 38

1

The trapping of bacteria by specialized white blood cells is an example of

Select one of the following:

  • pinocytosis

  • exocytosis

  • phagocytosis

  • none of the above

Explanation

Question 4 of 38

1

A hypertonic solution is one that contains

Select one of the following:

  • a greater concentration of solute than the cell

  • the same concentration of solute as the cell

  • a lesser concentration of solute as the cell

  • none of the above

Explanation

Question 5 of 38

1

The force of a fluid pushing against a surface could be described as

Select one of the following:

  • facilitated diffusion

  • hydrostatic pressure

  • hypostatic pressure

  • none of the above

Explanation

Question 6 of 38

1

Facilitated diffusion is a metabolically expensive process

Select one of the following:

  • True
  • False

Explanation

Question 7 of 38

1

The sodium-potassium pump is an example of an active transport process

Select one of the following:

  • True
  • False

Explanation

Question 8 of 38

1

Cellular secretion can be achieved by exocytosis

Select one of the following:

  • True
  • False

Explanation

Question 9 of 38

1

Solutes are particles dissolved in a solvent.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 38

1

Osmosis is a form of filtration that results in the separation of small and large solute particles.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 38

1

: solution that draws water from a cell
: two fluids that have the same potential osmotic pressure
: solution that causes cells to swell
: passive transport
: active transport

Drag and drop to complete the text.

    Hypertonic
    Isotonic
    Hypotonic
    Diffusion
    Endocytosis

Explanation

Question 12 of 38

1

Enzymes that cause essential chemical reactions to occur are called

Select one of the following:

  • metabolic agents

  • catalysts

  • substrates

  • initiators

Explanation

Question 13 of 38

1

Molecules that are acted upon by enzymes are known as

Select one of the following:

  • diploid

  • hypertonic

  • introns

  • subtrates

Explanation

Question 14 of 38

1

In naming enzymes, the root name of the substance whose chemical reaction is catalyzed is followed by the suffix

Select one of the following:

  • -ase

  • -cin

  • -ose

  • -ous

Explanation

Question 15 of 38

1

Most enzymes

Select one of the following:

  • are specific in their action

  • can alter their function by changing the shape of the molecule

  • are synthesized as inactive proenzymes

  • all of the above

Explanation

Question 16 of 38

1

Which of the following activates enzymes by means of an allosteric effect?

Select one of the following:

  • end-product inhibition

  • kinases

  • substrate

  • pepsin

Explanation

Question 17 of 38

1

Enzymes are

Select one of the following:

  • fats

  • proteins

  • carbohydrates

  • minerals

Explanation

Question 18 of 38

1

The three processes that compose cellular respiration are glycolysis, the citric acid cycle, and the electron transport system.

Select one of the following:

  • True
  • False

Explanation

Question 19 of 38

1

The portion of an enzyme molecule that chemically "fits" the substrate molecule(s) is referred to as the active site.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 38

1

The "lock and key" model is used to describe how DNA base pairs align.

Select one of the following:

  • True
  • False

Explanation

Question 21 of 38

1

Protein anabolism is a major cellular activity.

Select one of the following:

  • True
  • False

Explanation

Question 22 of 38

1

The citric acid cycle is also known as the Krebs cycle.

Select one of the following:

  • True
  • False

Explanation

Question 23 of 38

1

Glycolysis is aerobic.

Select one of the following:

  • True
  • False

Explanation

Question 24 of 38

1

Which of the following statements is not true of glycolysis?

Select one of the following:

  • It occurs in the cytoplasm of the cell

  • It is also known as the Krebs cycle

  • It is anaerobic

  • Glycolysis splits one molecule of glucose into two molecules of pyruvic acid

Explanation

Question 25 of 38

1

The Krebs cycle takes place in the

Select one of the following:

  • ribosome

  • cytoplasm

  • mitochondria

  • Golgi apparatus

Explanation

Question 26 of 38

1

The third step in cellular respiration is

Select one of the following:

  • the electron transport system

  • transcription

  • the Krebs cycle

  • glycolysis

Explanation

Question 27 of 38

1

The energy required for active transport processes is obtained from

Select one of the following:

  • ATP

  • DNA

  • diffusion

  • osmosis

Explanation

Question 28 of 38

1

Movement of substances from a region of high concentration to a region of low concentration is

Select one of the following:

  • active transport

  • passive transport

  • cellular energy

  • concentration gradient

Explanation

Question 29 of 38

1

Select from the dropdown list to complete the text.

Osmosis is the ( diffusion, filtration, equilibrium, active transport ) of water across a selectively permeable membrane.

Explanation

Question 30 of 38

1

A molecule or other agent that alters enzyme function by changing its shape is called:

Select one of the following:

  • an allosteric effector

  • a kinase

  • an anabolic agent

  • a proenzyme

Explanation

Question 31 of 38

1

Glycolysis is a catabolic pathway that begins with glucose and ends with:

Select one of the following:

  • oxygen

  • filtration

  • pyruvic acid

  • sodium

Explanation

Question 32 of 38

1

Which movement always occur down a hydrostatic pressure gradient?

Select one of the following:

  • osmosis

  • filtration

  • pyruvic acid

  • sodium

Explanation

Question 33 of 38

1

The "uphill" movement of a substance through a living cell membrane is

Select one of the following:

  • osmosis

  • diffusion

  • active transport

  • passive transport

Explanation

Question 34 of 38

1

Membrane pumps are an example of which type of movement?

Select one of the following:

  • gravity

  • hydrostatic pressure

  • active transport

  • passive transport

Explanation

Question 35 of 38

1

An example of a cell that performs phagocytosis

Select one of the following:

  • white blood cell

  • red blood cells

  • muscle cell

  • bone cell

Explanation

Question 36 of 38

1

A saline solution that contains a higher concentration of salt than living red blood cells would be

Select one of the following:

  • hypotonic

  • hypertonic

  • isotonic

  • homeostatic

Explanation

Question 37 of 38

1

Select from the dropdown list to complete the text.

A red blood cell becomes engorged with water and will eventually lyse, releasing hemoglobin into the solution. This solution is ( hypotonic, hypertonic, isotonic, homeostatic ) to the red blood cell.

Explanation

Question 38 of 38

1

Protein "tunnels":
Phagocytosis:
Enzyme:
Enzymes that add or remove carbon dioxide:
"Cell drinking":
Type of membrane channel:
Facilitated diffusion:
Glycolysis:
Molecule able to diffuse across a particular membrane:

Drag and drop to complete the text.

    membrane channels
    endocytosis
    pepsin
    carboxylases
    pinocytosis
    aquaporins
    carrier-mediated passive transport
    first stage of cellular respiration
    permeant

Explanation

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