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Bio 1 > Quiz 1 > Flashcards

Quiz 1 Flashcards

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Biology 101 flashcards
1
Q

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

A

high surface area to volume ratio

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2
Q

Responsible to respond to a stimuli

A

nerve cell

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3
Q

it is one celled, and give example

A

-unicellular
-algae

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4
Q

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

A

-multicellular

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5
Q

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

A

-Spontaneous Generation Theory (SGT)
-Aristotle

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6
Q

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

A

virus

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7
Q

General functions of a cell

A
  • Regulation of internal environment
  • Acquisition and utilization of energy
  • Responsiveness to its environment
  • Protection and support
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8
Q

Regulation of the internal environment is ____

A

Homeostasis

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9
Q

Acquisition and untilization of energy is ____

A

Chemical energy

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10
Q

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

A

Homeostasis

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11
Q

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

A

Homeostasis

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12
Q

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

A

perspiration

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13
Q

Generates metabolic heat

A

Shivering

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14
Q

Regulating body balances

A

Homeostasis

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15
Q

Ability to feel

A

responsiveness

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16
Q

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

A

Chemical energy

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17
Q

____ cells to pump blood

A

Heart cells

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18
Q

_____ cells to digest food

A

Intestinal cells

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19
Q

___ cells to initiate motion

A

Skeletal cells

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20
Q

_____ cells to conduct information

A

Nerve cells

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21
Q

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.

A

Responsiveness

22
Q

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

A

Tanned skin

23
Q

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

A

Protection and Support

24
Q

invented the first primitive microscope.

A

Zacharias Janssen, 1585 - 1632

25
Q

observed cork cells under a microscope.

A

Robert Hooke, 1635 - 1703

26
Q

disapproved the spontaneous generation theory.

A

Francesco Redi, 1626 - 1697

27
Q

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

A

Anton van Leeuwenhoek, 1632 - 1723

28
Q

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

A

Matthias Schleiden, 1804 - 1881

29
Q

proposed that all animals are composed of cells.

A

Theodor Schwann, 1810 - 1882

30
Q

proposed that all cells come from pre-existing cells.

A

Rudolf Virchow, 1921 - 1902

31
Q

Principles of Cell Theory

A
  1. Every living organism consists one or more cells
  2. Cell is the basic unit of life
  3. Cells come from pre-existing cells
32
Q

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

A

Hereditary Material

33
Q

Cells is not affected by ______

A

Gravity

34
Q

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

A

Robert Hooke

35
Q

His experiment disproved the spontaneous generation theory.

A

Francesco Redi, 1626 - 1697

36
Q

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

A

Schwann and Schleiden

37
Q

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

A

Rudolf Virchow

38
Q

Kinds of Cells

A
  1. Heart
  2. Intestinal
  3. Skeletal
  4. Nerve
39
Q

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

A
  1. Glucose
  2. Amino Acids
  3. Nucleic Acid
  4. Protein

Lipids
small molecules

40
Q

Permeable (W,A,N,OC)

A
  1. Water
  2. Alcohol
  3. Nitrogen
  4. Oxygen
  5. Carbon Dioxide

polar molecules
large molecules

41
Q

Membranoues Protein (C, C, CR, R)

A
  1. Channel Protein
  2. Carrier Protein
  3. Cell Recognition Protein
  4. Receptor Protein
42
Q

Passage way of protein and certain molecules

A

Channel protein

43
Q

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

A

Carrier Protein

44
Q

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

A

Cell Recognition Protein

45
Q

they are like hormones. Binding molecules to trigger response

A

Receptor Protein

46
Q

the phospholipid head is _____ (loves water)

A

hydropholic

47
Q

the lipid tail is ____(water fearing)

A

hydrophobic

48
Q

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

A

semi - permeable

49
Q

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

A

cell wall

50
Q

its a phospholipid layer, cells primary barrier

A

plasma membrane

51
Q

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

A

cytoskeleton

52
Q

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

A

cyctoplasm

Bio 1 (15 decks)

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