Activities Quiz
1.

1 meter = _____ centimeters. (Activity 7A)

100
1,000,000,000
1,000
1,000,000,000,000
1,000,000


2.

_____ are surface appendages that allow a bacterium to stick to a surface. (Activity 7B)

Cell walls
Flagella
Ribosomes
Mitochondria
Pili


3.

What is the function of a bacterium's capsule? (Activity 7B)

protection
adhesion
protein synthesis
DNA storage
propulsion


4.

In eukaryotic cells the first step in protein synthesis is the _____. (Activity 7E)

translation of an RNA nucleotide sequence into a sequence of amino acids
linking of nucleotides to form a polypeptide
translation of a DNA nucleotide sequence into a sequence of amino acids
transferring of information from DNA to messenger RNA
removal of introns from RNA and the stitching together of exons


5.

Which organelle plays a role in intracellular digestion? (Activity 7F)

lysosome
ribosome
chloroplast
Golgi apparatus
plasmodesma


6.

The cilia and flagella of eukaryotic cells are composed of _____. (Activity 7H)

microtubules
intermediate filaments
microfilaments
pili
tonofilaments


7.

Which of these cell junctions form a barrier to the passage of materials? (Activity 7I)

tight junctions
communicating junctions
anchoring junctions
intercalated disks
plasmodesmata


8.

The primary role of _____ is to bind animal cells together. (Activity 7I)

plasmodesmata
communicating junctions
gap junctions
anchoring junctions
tight junctions


9.

_____ aid in the coordination of the activities of adjacent animal cells. (Activity 7I)

Communicating junctions
Tight junctions
Anchoring junctions
Plasmodesmata
Desmosomes


10.

Choose the letter that indicates the organelle that contains most of a cell's DNA. (Activity 7J)

question #10

A
B
C
D
E


11.

Which of these organelles carries out cellular respiration? (Activity 7J)

nucleolus
chromatin
smooth endoplasmic reticulum
mitochondrion
ribosomes


12.

Which of these is the double membrane that encloses the nucleus? (Activity 7J)

question #12

A
B
C
D
E


13.

The _____ is composed of DNA and protein. (Activity 7J)

mitochondrion
flagellum
centriole
chromatin
ribosome


14.

Ribosomal subunits are manufactured by the _____. (Activity 7J)

lysosome
nucleolus
peroxisome
rough endoplasmic reticulum
smooth endoplasmic reticulum


15.

_____ are the sites of protein synthesis. (Activity 7J)

Mitochondria
Peroxisomes
Golgi apparatuses
Microfilaments
Ribosomes


16.

Which of these is involved in the manufacture of membrane? (Activity 7J)

smooth endoplasmic reticulum
ribosomes
Golgi apparatus
nucleolus
rough endoplasmic reticulum


17.

The _____ is a selective barrier, regulating the passage of material into and out of the cell. (Activity 7J)

lysosome
nuclear envelope
chloroplast
plasma membrane
nucleus


18.

Where is calcium stored? (Activity 7J)

mitochondria
smooth endoplasmic reticulum
centrioles
rough endoplasmic reticulum
microtubules


19.

Which of these structures stores, modifies, and packages products? (Activity 7J)

question #19

A
B
C
D
E


20.

Which of these are hollow rods that shape and support the cell? (Activity 7J)

plasma membrane
microtubules
chloroplasts
microfilaments
peroxisomes


21.

_____ is/are identical in structure to centrioles. (Activity 7J)

Mitochondria
Nuclear envelopes
Chromatin
Microfilaments
Basal bodies


22.

Which of these organelles produces H2O2 as a by-product? (Activity 7J)

mitochondrion
nucleus
centrioles
flagellum
peroxisome


23.

Which of these provides the cell with structural support? (Activity 7J)

question #23

A
B
C
D
E


24.

Which of these organelles is responsible for photosynthesis? (Activity 7K)

question #24

A
B
C
D
E



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publishing as Benjamin Cummings