Biology Quiz 5

Front 1

Which of the following causes a dividing cell to pinch in two by contracting like a purse string?

Back 1

Actin Filaments

Front 2

Which is incorrect about the plasma membrane?

Back 2

Proteins embedded in the lipid bilayer do not move.

Front 3

The simplest cells are the:

Back 3

Prokaryotic bacteria

Front 4

Which of the following kingdoms are prokaryotes?

Back 4

Archaea

Front 5

Which organisms do NOT have centrioles?

Back 5

Plant and fungi

Front 6

Choose the membrane molecule responsible for aiding passage of polar molecules into and out of the cell.

Back 6

Transmembrane proteins

Front 7

An extensive system of internal membranes, called the ______, is where carbohydrates and lipids are manufactured, and proteins are made that will be exported from the cell.

Back 7

endoplasmic reticulum

Front 8

Cilia and flagella differ from each other primarily in:

Back 8

length

Front 9

An extracellular matrix is produced by glycoprotein secretion by:

Back 9

animal cells

Front 10

What is the function of the nucleolus?

Back 10

The site of ribosome subunit assembly.

Front 11

Select the membrane molecule that is made up of a polar region with two nonpolar fatty acid tails.

Back 11

Phospholipids

Front 12

Oxidative metabolism takes place in the______of the cell.

Back 12

Mitochondria

Front 13

Which statement about cell walls is true?

Back 13

The middle lamella glues the walls of adjacent cells together.

Front 14

In the sodium-potassium pump, sugars and amino acids, or other molecules, are brought through the membrane along with sodium ions through:

Back 14

Coupled channels

Front 15

When a cell membrane engulfs fluid droplets it is called:

Back 15

pinocytosis

Front 16

Which of the following processes requires BOTH a channel protein AND energy?

Back 16

Active transport

Front 17

Which process would enable a white blood cell to ingest a bacterium?

Back 17

Phagocytosis

Front 18

The endosymbiont theor is supported by the following evidence except:

Back 18

Mitochondria have a matrix.

Front 19

_____ function in the collection, packaging, and distribution of molecules made in the cell.

Back 19

Golgi bodies

Front 20

Which structure helps prokaryotic cells attach to substrates and aid in the exchange of genetic information between cells?

Back 20

Pili

Front 21

If a paramecium's contractile vacuole stops working, what minght happen to organisms?

Back 21

It would fill with water and lyse.

Front 22

The nucleus of the eukaryotic cell functions:

Back 22

As the command center for the cell., To shore the cell's hereditary information, To house the nucleolus.

Front 23

When molecule move through a cell membrane froman area of greater concentration to an area of lesser concentration by way of a channnel protein, it is called:

Back 23

facilitated diffusion

Front 24

Which of the following processes requires BOTH a channel protein AND energy?

Back 24

Active transport

Front 25

Which of the following is not an organelle?

Back 25

Ribosome

Front 26

Which process would enable a white blood cell to ingest a bacterium?

Back 26

Phagocytosis

Front 27

When a cytoplasmic vesicle fuses with the plasma membrane, expelling its contents outside the cell, the process is known as:

Back 27

exocytosis

Front 28

The endosymbiont theor is supported by the following evidence except:

Back 28

Mitochondria have a matrix.

Front 29

_____ function in the collection, packaging, and distribution of molecules made in the cell.

Back 29

Golgi bodies

Front 30

Which structure helps prokaryotic cells attach to substrates and aid in th exchange of genetic information between cells?

Back 30

Pili

Front 31

If a paramecium's contractile vacuole stops working, what minght happen to organisms?

Back 31

It would fill with water and lyse.

Front 32

The nucleus of the eukaryotic cell functions:

Back 32

As the command center for the cell., To store the cell's hereditary information, To house the nucleolus.

Front 33

When molecule move through a cell membrane froman area of greater concentration to an area of lesser concentration by way of a channnel protein, it is called:

Back 33

facilitated diffusion

Front 34

Which of the following is not an organelle?

Back 34

Ribosome

Front 35

When a cytoplasmic vesicle fuses with the plasma membrane, expelling its contents outside the cell, the process is known as:

Back 35

exocytosis