MODULE 2

Question 1

Cells contain small membrane bound structures called ___________ that performs specific functions.

Answer 1

Organelles

Question 2

Cells have different parts called __________.

Answer 2

Organelles

Question 2

These organelles are suspended in ___________ which is a viscous liquid found inside the cell membrane.

Answer 2

Cytoplasm

Question 3

The cytoplasm houses the different organelles.

Answer 3

The cytoplasm houses the different organelles.

Question 4

The _________ is important to the life of the cell.

Answer 4

Nucleus

Question 5

It is commonly known as the
“brain of the cell”.

Answer 5

The nucleus

Question 5

It contains and stores all the genetic information for manufacturing proteins and responsible for controlling all cellular activities.

Answer 5

The nucleus

Question 6

The ___________ is a network of strands that condenses and undergoes coiling into rod-like structures called ____________.

Answer 6

Chromatin, Chromosomes

Question 6

Is a dark region of chromatin where a type of RNA, called ribosomal RNA (rRNA), is produced, and joins with proteins to form the subunits of ribosomes.

Answer 6

Nucleolus

Question 6

Contains DNA (Deoxyribonucleic Acid), histones and some RNA (Ribonucleic Acid).

Answer 6

Chromatin

Question 7

It is a double membrane that separates the nucleus from the cytoplasm.

Answer 7

Nuclear envelope

Question 8

The nuclear envelope has _______________ to permit the passage of RNA out of the nucleus into the cytoplasm, and the passage of proteins from the cytoplasm into the nucleus.

Answer 8

Nuclear pores

Question 9

It serves as the storage of genetic materials such as DNA and
RNA.

Answer 9

Nucleus

Question 10

It controls other organelles by facilitating cell growth, cell division,
and protein synthesis.

Answer 10

Nucleus

Question 11

Are also known as the “protein factories of the cell”.

Answer 11

Ribosomes

Question 12

They are mainly responsible for protein synthesis in the cells.

Answer 12

Ribosomes

Question 13

They are usually dispersed in the cytoplasm or attached to the endoplasmic reticulum.

Answer 13

Ribosomes

Question 14

are composed of one large subunit and one small subunit.

Answer 14

Ribosomes

Question 15

The number of ____________ in a cell varies depending on its functions.

Answer 15

Ribosomes

Question 16

receives vesicles from the endoplasmic reticulum along the cis face.

Answer 16

Golgi Apparatus

Question 16

___________ receive mRNA from the nucleus, and this nucleic acid carries a coded message from DNA.

Answer 16

Ribosomes

Question 17

consists of the three major organelles that work together to perform different tasks such as packaging, producing, and exporting certain cellular products.

Answer 17

Endomembrane System

Question 18

consists of complicated system of membranous channels and flattened vesicles which is physically continuous to the outer membrane of the nuclear envelope.

Answer 18

Endoplasmic Reticulum (ER)

Question 19

There are two types of endoplasmic reticulum.

Answer 19

The rough endoplasmic reticulum and smooth endoplasmic reticulum.

Question 20

is studded with ribosomes on the side of the membrane that faces the cytoplasm. It is responsible for synthesizing proteins.

Answer 20

Rough endoplasmic reticulum

Question 21

responsible for synthesizing lipids, such as phospholipids and steroids.

Answer 21

Smooth endoplasmic reticulum

Question 21

forms vesicles in which large molecules are transported to other parts of the cell.

Answer 21

Rough endoplasmic reticulum

Question 22

are a stack of curved, flattened sacs, which can be compared to a pile of pancakes.

Answer 22

Golgi Apparatus (Dictyosomes)

Question 23

are membrane-bounded vesicles produced by the Golgi apparatus.

Answer 23

Lysosomes

Question 24

are very acidic and contain powerful hydrolytic digestive enzymes that require a low–pH environment.

Answer 24

Lysosomes

Question 25

are responsible for recycling cellular material and destroying invading viruses and bacteria.

Answer 25

Lysosomes

Question 26

is a double membrane-bound organelle that is responsible for supplying and storing energy for the cell.

Answer 26

Mitochondrion

Question 27

Lysosomes also participate in a programmed cell death called ___________ which is a normal part of development.

Answer 27

Apoptosis

Question 28

It is often called the “powerhouse of the cell.”

Answer 28

Mitochondrion (Mitochondria, plural)

Question 29

Mitochondrion produces most of the ATP (Adenosine Triphosphate) which is used by the cell through the process called _______________.

Answer 29

Cellular respiration

Question 30

It is where the synthesis of energy in the form of ATP takes place which is required for other cell organelles to function.

Answer 30

Mitochondrion

Question 31

Mitochondria also help in the balancing of cations within the cell and assists the process of _____________.

Answer 31

Apoptosis

Question 32

It is a convenient way of removing cells that should not be longer part of the cell.

Answer 32

Apoptosis

Question 33

It is also known as “cellular suicide”.

Answer 33

Apoptosis

Question 34

A __________ contains a series of internal membrane or vesicles.

Answer 34

Chloroplast

Question 34

Mitochondria in the liver can detoxify ___________.

Answer 34

Ammonia

Question 35

Are plant and algal organelles that are bounded by a double membrane.

Answer 35

Chloroplasts

Question 36

A chloroplast contains a series of internal membrane or vesicles. It contains DNA and chlorophyll which carry on photosynthesis. Its double membrane encloses a large space called _________.

Answer 36

Stroma

Question 37

are membrane-bounded vesicles that encloses enzymes.

Answer 37

Peroxisomes

Question 38

The enzymes in the _____________ are synthesized by free ribosomes and transported into the ____________.

Answer 38

Peroxisomes, cytoplasm

Question 39

Each peroxisome also carries enzymes which results in the formation of ______________.

Answer 39

hydrogen peroxide (H2O2).

Question 40

Peroxisomes can also detoxify some products of _____________.

Answer 40

Photosynthesis.

Question 41

Cell Organelle

Answer 41

- Rough endoplasmic reticulum - Smooth endoplasmic reticulum - Golgi apparatus - Peroxisomes - Mitochondrion - Vesicle - Lysosome - Centrioles - Nucleus