Module 2 - Cells Flashcards

(44 cards)

1
Q

Somatic

A

Body cells

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2
Q

Gametes

A

Sex cells

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3
Q

Are diploid cells that divide to give rise to differentiated cells and replicate themselves in a process called “renewal”

A

Stem Cells

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4
Q

Cells are composed of macromolecules such as

A

Carbohydrates
Lipids
Proteins
Nucleic Acids

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5
Q

Carbohydrates

A

Sugars and Starches

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6
Q

Lipids

A

Fat and oils

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7
Q

Proteins

A

Enzyme reactions to sustain life

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8
Q

Nucleic Acids

A

DNA and RNA

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9
Q

Control center of the cell

A

Nucleus

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10
Q

Site of protein synthesis and folding; lipid synthesis

A

Endoplasmic Reticulum

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11
Q

Has ribosomes, protein synthesis

A

Rough Endoplasmic Reticulum (rER)

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12
Q

Lipid synthesis

Has no ribosomes attached

A

Soft Endoplasmic Reticulum (sER)

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13
Q

Site where sugars are made and linked into starches or joined to lipids or proteins; proteins finish folding; secretions stored

A

Golgi Apparatus

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14
Q

Degrades debris; recycles cell contents

A

Lysosome

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15
Q

Releases energy from nutrients, participate in cell death

A

Mitochondrion

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16
Q

Breaks down and detoxifies various molecules

A

Peroxisome

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17
Q

Scaffoid and catalyst for protein synthesis

A

Ribosome

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18
Q

Stores and transports substances

19
Q

Bilayer molecules called phospholipids which forms the structural backbone

A

Plasma Membrane

20
Q

Plasma Membrane layers

A
Hydropholic layer (outer)
Hydrophobic layer (inner)
21
Q

Meshwork of protein rods and tubules that serves as the cell’s architecture, positioning organelles overall providing 3D shape

22
Q

Cytoskeleton has 3 major types of elements, what are these?

A

Microtubules, microfilaments and intermediate filaments

23
Q

All cells have 3 things in common, what are these?

A

Cell membrane
Cytoplasm
Dna

24
Q

do eukaryotic cells have nucleus

25
do prokaryotic cells have nucleus?
No
26
It is always one celled or unicellular organism
Prokaryotic Cells
27
Blue Bacteria
Cyanobacteria
28
is any life form consisting of one or more cells that contain a membrane-bound nucleus and organelles separate from the plasma membrane enveloping the cell
Eukaryote
29
a series of events which describes the sequence of activities as a cell prepares to divide and then does
Cell Cycle
30
Two major stages of a cell cycle
Interphase | Mitosis
31
a cell duplicates its chromosomes
Mitosis
32
it apportions one set of chromosomes into each of two resulting cells
Cytokinesis
33
produces sperm or eggs, which have half the amount of genetic material in somatic cells
Meiosis
34
During this phase, a cell continues the basic biochemical functions of life while replicating its DNA and other subcellular structures.
Interphase
35
Quiet Phase
G0
36
This may ensure if the cell’s DNA is so damaged that cancer might result
Apoptosis
37
is the period of the cell cycle that varies the most in duration among different cell types.
G1
38
During this phase, the cell replicates its entire genome.
S phase
39
The 2 long strands of identical chromosomal material in a replicated chromosome are called?
Chromatids
40
Space between chromatids are called?
Furrow
41
temporarily pauses the cell cycle while special proteins repair damaged DNA
DNA damage checkpoint
42
turns on as mitosis begins.
Apoptosis checkpoint
43
oversees construction of the spindle & the binding of chromosomes to it.
Spindle assembly checkpoint
44
function like cellular fuses that burn down as pieces are lost from the ends.
Telomeres