Lesson 1.1 : Cell

Question 1

It is called the power house of cell.

Answer 1

MITOCHONDRIA

Question 2

What are the four processes of cellular respiration.

Answer 2

Glycolysis
Pyruvate Oxidation
The citric acid or krebs cycle
And oxidative phosphorylation

Question 3

It is derived from the greek word: pro-before & karyon- nucleus.

Answer 3

PROKARYOTIC CELLS

Question 4

It is derived from the greek word: eu- true & karyon - nucleus.

Answer 4

EUKARYOTIC CELLS

Question 5

Nucleus is the site for informational components collectively called as _____.

Answer 5

CHROMATIN

Question 6

This cell organelles contains more than 95% of the cells DNA and is the control center of the cell.

Answer 6

NUCLEUS

Question 7

It is a double membrane structure that separates nucleus from the cytosol.

Answer 7

NUCLEAR ENVELOPE

Question 8

It is embedded in the nuclear envelope and they control the movement of proteins and ribonucleic acid across the nuclear envelope.

Answer 8

NUCLEAR PORE COMPLEXES

Question 9

It is a dense mass associated with the nuclear envelope.

Answer 9

NUCLEOLUS

Question 10

It contains various enzymes: DNA polymerase and RNA polymerase for m- RNA synthesis.

Answer 10

NUCLEOPLASM

Question 11

How many mitochondria may contain in mammalian liver?

Answer 11

800-2500 mitochondria

Question 12

What are the two concentric membranes that have different properties and biological function.

Answer 12

Outer Mitochondrial Membrane and Inner Mitochondrial Membrane

Question 13

It mainly consists of phospholipids and traces amounts of cholesterol,also contain Porin.

Answer 13

Outer Mitochondrial Membrane

Question 14

Its rich in proteins with a ratio of lipid to protein of 0:27:1 weight.

Answer 14

Inner Mitochondrial Membrane

Question 15

What do you call a inner member which is highly folded and referred to as _____________.

Answer 15

Cristae

Question 16

What do you call a space between the outer and inner membrane?

Answer 16

Intermembrane space

Question 17

What do you call the region enclosed by the inner membrane.

Answer 17

Mitochondrial matrix

Question 18

It is responsible for protein synthesis transport, modification, storage,and secretiin.

Answer 18

Endoplasmic reticulum

Question 19

These membranes and the aqueous channel they enclosed are called ________.

Answer 19

Cisternae

Question 20

What are the 2 types of Endoplasmic reticulum?

Answer 20

Rough Endoplasmic reticulum and Smooth Endoplasmic reticulum

Question 21

This is a type of Endoplasmic reticulum which also known as “ergastoplasm”.

Answer 21

Rough Endoplasmic reticulum

Question 22

This is a type of Endoplasmic reticulum which does not have ribosome.

Answer 22

Smooth Endoplasmic reticulum

Question 23

This also known as “ Dictysomes “.

Answer 23

Golgi Apparatus

Question 24

These vesicles move to and fuse with the plasma membrane where the contents may be expelled by process called _____________.

Answer 24

Exocytosis

Question 25

This an organelle which contains packet of enzymes.

Answer 25

Lysosomes

Question 26

It is used as a marker enzyme for this organelle.

Answer 26

Acid phosphatase

Question 27

It is a small organelles aka “microbodies”

Answer 27

Peroxisomes

Question 28

It is composed of complex networks of fine structure.

Answer 28

Cytoskeleton

Question 29

It is a long, unbranched slender cylindrical structure which is responsible in the assembly and disassembly of the spindle structure during mitosis.

Answer 29

Microtubule

Question 30

It more slender cylindrical structures composed of contractile protein ( actin ).

Answer 30

Microfilaments

Question 31

It is a very fragile tubes that forms the transient network in the cytosol.

Answer 31

Microtrabeculae

Question 32

It is the simplest structure of the cell.

Answer 32

Cytoplasm