Biology I Unit 2: Cells

studied byStudied by 9 people
5.0(1)
Get a hint
Hint

What are the three tenets of the Cell Theory?

1 / 58

flashcard set

Earn XP

Description and Tags

Biology

Cells

59 Terms

1

What are the three tenets of the Cell Theory?

All living things are made of cells, cells are the basic unit of life, all cells come from pre-existing cells

New cards
2

What are the organelles found in prokaryotic cells?

Cytoplasm, ribosomes, cell membranes, cell wall.

New cards
3

What are the four things prokaryotic and eukaryotic cells have in common?

DNA

Cytoplasm

Ribosomes

Cell membrane

New cards
4

Golgi bodies

Eukaryotic;

In animals and plant cells

Modify, sort, and ship proteins

New cards
5

Mitochondria

Eukaryotic

In animal and plant cells

Powerhouse of the cell and creates ATP

New cards
6

Vacuole

Eukaryotic

In animal and plant cells

Handles waste products; takes in products and stores food, water, waster; digest bacteria

New cards
7

Lysosome

Eukaryotic

In animal cells

Breaks down cell parts, destroy viruses, digests bacteria

New cards
8

Centrosome/ Centrioles

Eukaryotic

In animal and plant cells

Creates spindle fibers to aid in cell division (mitosis)

New cards
9

Cell Wall

Eukaryotic

In plant cells

Provides structure, supports, protection for plant cells

New cards
10

Chloroplast

Eukaryotic

In plant cells

Produce energy through photosynthesis and oxygen (site of photosynthesis)

New cards
11

Central vacuole

Eukaryotic

In plant cells

store water, regulate turgor pressure

New cards
12

Cell membrane

In both prokaryotic and eukaryotic cells

In animal and plant cells

Maintains homeostasis by controlling what goes in an out of the cell

New cards
13

Cytoplasm

In both prokaryotic and eukaryotic cells

In animal and plant cells

Transport, maintain cell shape and structure

New cards
14

Ribosome

In both prokaryotic and eukaryotic cells

In animal and plant cells

Synthesis and create proteins

New cards
15

Cytoskeleton

In both prokaryotic and eukaryotic cells

In animal and plant cells

Network of protein filaments and tubules in cytoplasm; gives shape

New cards
16

Nucleus

In eukaryotic cells

In animal and plant cells

Stores genetic info/DNA

New cards
17

Rough endoplasmic reticulum

In eukaryotic cells

In animal and plant cells

Folds proteins, does transportation of proteins and sorting

New cards
18

Smooth Endoplasmic Reticulum

In eukaryotic cells

In animal cells and plant cells

Responsible for the synthesis of essential lipids such as phospholipids and membranes

Detoxifies liver

Stores calcium

New cards
19

what organelles are found in only plant cells

Cell wall, chloroplast, central vacuole

New cards
20

What organelles are found only in animal cells

Centrosome/centrioles

Lysosome

New cards
21

Be able to label organelles in a cell

knowt flashcard image
New cards
22

How is the cell membrane related to homeostasis?

a cell membrane maintains homeostasis by controlling the movement of substances across the cell membrane

New cards
23

What are the parts of the cell membrane

Phospholipids

Proteins

Carbohydrates

Cholesterol

New cards
24

What are the two main types of transportation

passive and active

New cards
25

What types of molecules can easily pass through the membrane

Small and non polar

Oxygen

Carbon dioxide

New cards
26

What are the types of passive transport

Diffusion

Facilitated diffusion

Osmosis

New cards
27

Does passive transport move up or down the concentration gradient

DOWN

New cards
28

What are the types of active transport

Bulk transport (endocytosis and exocytosis)

Protein pumps

New cards
29

What type of transport requires the use of energy?

Active

New cards
30

What type of solution is an isotonic solution? How does it affect the cell?

It means that the amount of solution outside the cell is the same as inside the cell. The cell stays the same (animals)

New cards
31

What is osmosis?

The movement of high to low concentration of water

New cards
32

what type of solution is a hypertonic solution? How does it affect the cell?

Solution outside the cell is more than inside.

It shrinks

New cards
33

What type of solution is a hypotonic solution?? How does it affect the cell?

Solution outside the cell is less than inside the cell.

Water floods into the cell causing the cell to burst (plants)

New cards
34

Is the image isotonic, hypertonic, or hypotonic?

Isotonic

<p>Isotonic </p>
New cards
35

Is the image isotonic, hypertonic, or hypotonic?

Hypotonic

<p>Hypotonic </p>
New cards
36

Is the image isotonic, hypertonic, or hypotonic?

Hypertonic

<p>Hypertonic </p>
New cards
37

what are the parts of Interphase and what occurs in each step?

G1: Growth and protein synthesis

S: DNA replication

G2: More growth and protein synthesis; prepares for Mitosis

New cards
38

What are the functions of the cell cycle?

To repair and replace damaged cells. Growth (multicellular)

Reproduction (unicellular)

New cards
39

what is the name of asexual reproduction in bacteria?

Binary fission

New cards
40

what is mitosis?

The cell cycle in which replicated chromosomes are separated into two new daughter cells that are identical to the original parent cell?

New cards
41

what are the stages of mitosis in order?

Prophase, Metaphase, Anaphase, Telophase

New cards
42

What happens in Prophase?

Membranes around nucleus disintegrates

Chromosomes condense and become sister chromatids

Centrioles migrate to the opposite poles of the cell

Spindle fibers emerge from the Centrosome/centrioles

New cards
43

What happens in Metaphase?

Sister chromatids move toward the middle of the cell on. A line called the metaphase plate.

Centrioles send out spindle bribers that attach to the centromere of each sister chromatids

New cards
44

What happens in Anaphase?

Centrioles start pulling on the spindle fibers to pull the sister chromatids apart

They are now called chromosome

New cards
45

What happens at Telophase?

The nuclear membrane forms around each sex of chromosomes

New cards
46

What is the difference between cytokinesis in plants and animals?

The area where the cytoplasm punches is known as the cleavage furrow in animals and a cell plate in plants

New cards
47

How is mitosis related to genetic continuity?

Mitosis creases two daughter cell that are identical to the parent cell. Each daughter cell has the exact same genes, thus genetic continuity.

New cards
48

Throughout the cell’s cycle, there are built in _______ that are designed to be a check and balance for the cell. what do these look for?

Checkpoints

Proper cell growth and replication

New cards
49

_______ ________ are proteins that stimulate cell division

Growth factors

New cards
50

Programmed cell death is known as ________.

Apoptosis

New cards
51

What is cancer?

Uncontrolled cell divison

New cards
52

Cancer cells form disorganized clumps called _____

Tumors

New cards
53

what is a carcinogen?

Substances that are known to cause or lead to cancer. It can be environmental or genetic.

Tobacco

Nicotine

Artificial sugars

New cards
54

What is a stem cell?

Cell that lacks specialized function.

New cards
55

what are some real world application of stem cells

You can grow new cell to repair damaged cells

Research how disease occur

Research drugs

New cards
56

what do proteins do in the cell membrane?

transporting molecules into and out of the cell, relaying signals from outside and inside, cell-cell acknowledgment, etc.

New cards
57

what do carbohydrates do in the cell membrane?

identifying cells, and interacting with other cells.

New cards
58

what do the phospholipids to in the cell membrane?

forms a phospholipid bilayer

New cards
59

what do the cholesterol do in the cell membrane?

helps to stabilize the membrane so its not too solid not too fluid. it touches the tails

New cards

Explore top notes

note Note
studied byStudied by 22 people
... ago
5.0(1)
note Note
studied byStudied by 17 people
... ago
5.0(2)
note Note
studied byStudied by 10 people
... ago
5.0(1)
note Note
studied byStudied by 8 people
... ago
5.0(1)
note Note
studied byStudied by 9 people
... ago
5.0(1)
note Note
studied byStudied by 5 people
... ago
4.0(1)
note Note
studied byStudied by 13 people
... ago
4.7(3)
note Note
studied byStudied by 5244 people
... ago
5.0(12)

Explore top flashcards

flashcards Flashcard (20)
studied byStudied by 2 people
... ago
5.0(2)
flashcards Flashcard (108)
studied byStudied by 6 people
... ago
5.0(1)
flashcards Flashcard (52)
studied byStudied by 12 people
... ago
5.0(1)
flashcards Flashcard (120)
studied byStudied by 8 people
... ago
5.0(1)
flashcards Flashcard (62)
studied byStudied by 1 person
... ago
5.0(1)
flashcards Flashcard (57)
studied byStudied by 16 people
... ago
5.0(2)
flashcards Flashcard (75)
studied byStudied by 1 person
... ago
5.0(1)
flashcards Flashcard (197)
studied byStudied by 622 people
... ago
4.2(5)
robot