Quiz 1

Question 1

Cells have a ______ to ensure that they get adequate nutrients and to prevent a high concentration of wastes from accumulating.

Answer 1

high surface area to volume ratio

Question 2

Responsible to respond to a stimuli

Answer 2

nerve cell

Question 3

it is one celled, and give example

Answer 3

-unicellular
-algae

Question 4

it is more than 2 cells, and it is on human, plamts, amd animals

Answer 4

-multicellular

Question 5

“Cell came from nothing” what theory is this and who proposed it?

Answer 5

-Spontaneous Generation Theory (SGT)
-Aristotle

Question 6

A ____ is na non-living thing until it gets its host

Answer 6

virus

Question 7

General functions of a cell

Answer 7

• Regulation of internal environment
• Acquisition and utilization of energy
• Responsiveness to its environment
• Protection and support

Question 8

Regulation of the internal environment is ____

Answer 8

Homeostasis

Question 9

Acquisition and untilization of energy is ____

Answer 9

Chemical energy

Question 10

an organism’s ability to keep a constant internal state is called ______

Answer 10

Homeostasis

Question 11

Maintainance of these conditions is important because most cells of an organism require a specific set of conditions to function normally.

Answer 11

Homeostasis

Question 12

Serve as the cooling system to remove excess heat in the body

Answer 12

perspiration

Question 13

Generates metabolic heat

Answer 13

Shivering

Question 14

Regulating body balances

Answer 14

Homeostasis

Question 15

Ability to feel

Answer 15

responsiveness

Question 16

It is stored in the bonds present in food molecules, and it will be converted by cells into more usable forms

Answer 16

Chemical energy

Question 17

____ cells to pump blood

Answer 17

Heart cells

Question 18

_____ cells to digest food

Answer 18

Intestinal cells

Question 19

___ cells to initiate motion

Answer 19

Skeletal cells

Question 20

_____ cells to conduct information

Answer 20

Nerve cells

Question 21

A cell must first be able to determine the changes that have taken place before deciding the necessary responses that will ultimately result in the maintenance of normal internal conditions.

Answer 21

Responsiveness

Question 22

_____ means more pigment is released in that area to (more melanin) impart protection to the underlying cells especially UV radiation that can damage DNA.

Answer 22

Tanned skin

Question 23

Immune cells impart protection against pathogens and other foreign bodies that may enter the general circulation.

Answer 23

Protection and Support

Question 24

invented the first primitive microscope.

Answer 24

Zacharias Janssen, 1585 - 1632

Question 25

observed **cork cells** under a microscope.

Answer 25

Robert Hooke, 1635 - 1703

Question 26

disapproved the **spontaneous generation theory**.

Answer 26

Francesco Redi, 1626 - 1697

Question 27

observed microorganisms by using **his own practical microscope**. Father of microscopy

Answer 27

Anton van Leeuwenhoek, 1632 - 1723

Question 28

proposed that all plants are composed of cells. Small boxes inside plants

Answer 28

Matthias Schleiden, 1804 - 1881

Question 29

proposed that all animals are composed of cells.

Answer 29

Theodor Schwann, 1810 - 1882

Question 30

proposed that all cells come from pre-existing cells.

Answer 30

Rudolf Virchow, 1921 - 1902

Question 31

Principles of Cell Theory

Answer 31

1. Every living organism consists one or more cells 2. Cell is the basic unit of life 3. Cells come from pre-existing cells

Question 32

Cells contain ______ which they pass to their daughter cells when they divide.

Answer 32

Hereditary Material

Question 33

Cells is not affected by ______

Answer 33

Gravity

Question 34

He was the first to observe the cells under the microscope.

Answer 34

Robert Hooke

Question 35

His experiment disproved the spontaneous generation theory.

Answer 35

Francesco Redi, 1626 - 1697

Question 36

He proposed that the cell is the basic unit of plants and animals.

Answer 36

Schwann and Schleiden

Question 37

He proposed the idea in the cell theory that cells come from preexisting cells.

Answer 37

Rudolf Virchow

Question 38

Kinds of Cells

Answer 38

1. Heart 2. Intestinal 3. Skeletal 4. Nerve

Question 39

Semi-permeable (G,A,N,P)

Answer 39

1. Glucose 2. Amino Acids 3. Nucleic Acid 4. Protein Lipids small molecules

Question 40

Permeable (W,A,N,OC)

Answer 40

1. Water 2. Alcohol 3. Nitrogen 4. Oxygen 5. Carbon Dioxide polar molecules large molecules

Question 41

Membranoues Protein (C, C, CR, R)

Answer 41

1. Channel Protein 2. Carrier Protein 3. Cell Recognition Protein 4. Receptor Protein

Question 42

Passage way of protein and certain molecules

Answer 42

Channel protein

Question 43

assists entering and exit of molecules, change conformation to transport molecules

Answer 43

Carrier Protein

Question 44

they are **immune cells** that identifies harmful materials, they detect invading pathogens

Answer 44

Cell Recognition Protein

Question 45

they are like **hormones**. Binding molecules to trigger response

Answer 45

Receptor Protein

Question 46

the phospholipid head is _____ (loves water)

Answer 46

hydropholic

Question 47

the lipid tail is ____(water fearing)

Answer 47

hydrophobic

Question 48

the plasma membrane is ____ (can pass through but other cannot)

Answer 48

semi - permeable

Question 49

aims the protection of the inner cell, helps maintain the shape of cells and prevent them from bursting (cellulose)

Answer 49

cell wall

Question 50

its a phospholipid layer, cells primary barrier

Answer 50

plasma membrane

Question 51

consists of network of protein fibers that gives the cell its structural framework, make the cell in arranged manner

Answer 51

cytoskeleton

Question 52

it maintains the internal structure, this is where all different subcellular structures are suspended, liquid surrounding the nucleusm (cytosol)

Answer 52

cyctoplasm