CELLS BIOLOGY 1

Question 1

It is the smallest unit of structure and function of living things that carries on life processes

Answer 1

Cells

Question 2

Who discovered cells?

Answer 2

Robert Hooke

Question 3

It is a box shaped structures look like monks room called?

Answer 3

Cells

Question 4

What year does cell discovered?

Answer 4

1665

Question 5

Who is the first person to see living cells?

Answer 5

Antonie van Leeuwenhoek

Question 6

He is a botanist that concluded all plants are made of cells.

Answer 6

Matthias Schleiden

Question 7

He is a zoologist that concluded all animals are made of cells.

Answer 7

Theodor Schwann

Question 8

He is a physician that concluded cells come only from other living cells.

Answer 8

Rudolf Virchow

Question 9

Most cells are composed of four elements. What are these?

Answer 9

Carbon
Hydrogen
Oxygen
Nitrogen

Question 10

It is group of cells that are similar in structure and function.

Answer 10

Tissues

Question 11

Cells are not all the same. It is true or false?

Answer 11

True

Question 12

All cells share general structures. Is it true or false?

Answer 12

True

Question 13

What are the three main regions of cells?

Answer 13

Nucleus
Cytoplasm
Plasma membrane

Question 14

It is the control center of the cell and contains genetic material (DNA)

Answer 14

Nucleus

Question 15

What are the three regions of nucleus?

Answer 15

Nuclear envelope (membrane)
Nucleolus
Chromatin

Question 16

It is the barrier of the nucleus?

Answer 16

Nuclear envelope

Question 17

It consists of a double membrane and contains nuclear pores that allow for exchange of material with the rest of the cell.

Answer 17

Nuclear envelope

Question 18

It is the sites of ribosome assembly

Answer 18

Nucleoli

Question 19

It migrated into the cytoplasm through nuclear pores

Answer 19

Ribosomes

Question 20

It is composed of dna and protein, present when the cell is not dividing, scattered throughout the nucleus, condenses to form chromosomes when the cell divides.

Answer 20

Chromatin

Question 21

It is a barrier for cell contents, a double phospholipid layer, and also contains proteins, cholesterol, and glycoproteins.

Answer 21

Plasma membrane

Question 22

What are the double for phospholipid layer?

Answer 22

Hydrophilic heads

Hydrophobic tails

Question 23

What are the three membrane junctions?

Answer 23

Tight junctions
Desmosomes
Gap junctions

Question 24

These are impermeable junctions and bind cells together into leakproof sheets?

Answer 24

Tight junctions

Question 25

Anchoring junctions that prevents cells from being pulled apart.

Answer 25

Desmosomes

Question 26

These junctions allow communication between cells?

Answer 26

Gap junctions

Question 27

This is the material outside the nucleus and inside the plasma membrane and site of most cellular activities.

Answer 27

Cytoplasm

Question 28

What are the three major elements of cytoplasm?

Answer 28

Cytosol Inclusions Organelles

Question 29

It is a major element of cytoplasm that is a fluid that suspends other elements.

Answer 29

Cytosol

Question 30

It is a major element of cytoplasm which is a chemical substances such as stored nutrients or cell products

Answer 30

Inclusions

Question 31

It is the metabolic machinery of the cell or "little organs" that perform functions for the cell.

Answer 31

Organelles

Question 32

What are the double membrane, fluid-filled sacs of mitochondria?

Answer 32

Folded inner membrane (cristae) | Outer membrane

Question 33

The folded inner membrane of mitochondria is also called?

Answer 33

Cristae

Question 34

It is part of the cytoplasmic organelles that provides atp for cellular energy and makes atp from glucose.

Answer 34

Mitochondria

Question 35

What is ATP stands for?

Answer 35

Adenosine triphosphate

Question 36

It is made of protein and RNA and sites of protein synthesis.

Answer 36

Ribosomes

Question 37

It is a fluid filled tubules for carrying substances

Answer 37

Endoplasmic reticulum

Question 38

What are the two types of endoplasmic?

Answer 38

Rough endoplasmic reticulum | Smooth endoplasmic reticulum

Question 39

It is a type of endoplasmic reticulum that studded with ribosomes and synthesizes proteins.

Answer 39

Rough endoplasmic reticulum

Question 40

A type of endoplasmic reticulum that functions in lipid metabolism and detoxification of drugs and pesticides

Answer 40

Smooth endoplasmic reticulum

Question 41

It modifies and packages proteins and produces different types of packages.

Answer 41

Golgi apparatus

Question 42

What are the different types of packages that produced by golgi apparatus?

Answer 42

Secretory vesicles Cell membrane components Lysosomes

Question 43

It contains enzymes produced by ribosomes, it was packaged by the golgi apparatus and digest worn-out or non usable materials within the cell

Answer 43

Lysosomes

Question 44

It was also described as a cellular stomach.

Answer 44

Lysosomes

Question 45

It is a membranous sacs of oxidase enzymes and replicate by pinching in half.

Answer 45

Peroxisomes

Question 46

It detoxify harmful substances such as alcohol and formaldehyde and breakdown free radicals (highly reactive chemicals)

Answer 46

Oxidase enzymes

Question 47

Network of protein structures that extend throughout the cytoplasm, provides the cell with an internal framework.

Answer 47

Cytoskeleton

Question 48

What are the three different types of elements of cytoskeleton?

Answer 48

Microfilaments ( largest ) Intermediate filaments Microtubules ( smallest )

Question 49

What is the sub unit of microfilaments?

Answer 49

Actin

Question 50

What is the subunits of intermediate filaments?

Answer 50

Fibrous subunits

Question 51

What is the subunits of microtubules?

Answer 51

Tubulin subunits

Question 52

It is a rod shaped bodies made of microtubules and direct the formation of mitotic spindle during cell division.

Answer 52

Centrioles

Question 53

It moves materials across the cell surface and located in the respiratory system to move mucus.

Answer 53

Cilia

Question 54

It propel the cell

Answer 54

Flagella

Question 55

What is the only flagellated cell in the human body?

Answer 55

Sperm

Question 56

These are tiny, fingerlike extensions of the plasma membrane and it increase surface area for absorption.

Answer 56

Microvilli

Question 57

Erythrocytes has no organelles. Is it true or false?

Answer 57

True

Question 58

What are the cells that connect body parts?

Answer 58

Fibroblasts | Erythrocytes

Question 59

What is the cell that cover online body organs?

Answer 59

Epithelial cell

Question 60

What are the cells that move organs and body parts?

Answer 60

Skeletal muscle cell Cardiac cell Smooth muscle cell

Question 61

It is a cell that stores nutrients.

Answer 61

Fat cell

Question 62

Cell that fights disease

Answer 62

White blood cells specifically the macrophage

Question 63

A cell that gathers information and controls body functions.

Answer 63

Nerve cell/ neuron