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Modern Biology > Cellular Biology > Flashcards

Cellular Biology Flashcards

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1
Q

phospholipid bilayer
controls passage of molecules
in and out of the cell

A

Plasma Membrane

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2
Q

entire region of a cell between plasma membrane and nuclear envelope

made up of organelle suspended in a gel-like cytosol

A

Cytoplasm

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3
Q

DNA

A

Deoxyribonucleic Acid

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4
Q

genetic material of a cell

A

DNA

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5
Q

DNA is located in an area of the cell called

A

Nucleoplasm

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6
Q

cellular organelles responsible for protein synthesis

A

Ribosomes

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7
Q

either as clusters (polyribosomes) or single dots float freely in the cytoplasm

A

Ribosomes

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8
Q

single celled organism (unicellular)

A

Prokaryotes

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9
Q

prokaryotes

used for locomotion

A

Flagella

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10
Q

prokaryotes

bacteria attached to the host cell

A

Fimbriae

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11
Q

prokaryotes

conjugation

A

Pili

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12
Q

prokaryotes

exchange of genetic material during reproduction

A

Conjugation

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13
Q

functions as protection, maintain cell shape, support

A

Cell Wall

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14
Q

where DNA is found

A

Nucleoid

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15
Q

maintains cell shape
secure organelles in place
allows them to move independently

A

Cytoskeleton

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16
Q

membrane-bound organelle
it means “true nucleus”

A

Eukaryotes

17
Q

Two types of Eukaryotic Cell

A

Animal Cell
Plant Cell

18
Q

Common Components of Cell

A

Plasma Membrane
Cytoplasm
DNA
Ribosome

19
Q

most prominent organelle in a cell

contains the DNA of the cell

regulates the synthesis of ribosomes and proteins

stores chromatin

A

Nucleus

20
Q

semi-solid fluid that surrounds the nucleus and contains the chromatin and nucleolus

A

Nucleoplasm

21
Q

double membrane structure that forms the nucleus’ outermost part

A

Nuclear Envelope

22
Q

made up of DNA that is tightly coiled around histone protein clusters

linear structures

A

Chromosomes

23
Q

substance that make up the chromosome

made up of all the DNA

A

Chromatin

24
Q

biggest nuclear organelle and the main site of ribosome subunit biogenesis

A

Nucleolus

25
Q

nucleolus forms a specialized chromosomal structures

A

Nuclear Organizing Regions

26
Q

the site of ribosomal DNA transcription

A

NOR (Nuclear Organizing Regions)

27
Q

single membrane bound tiny vesicles present in eukaryotic cells

degrade fatty acids and amino acids

include digestive enzymes that breakdown toxic materials in the cell

A

Peroxisome

28
Q

series of interconnected membranous sacs and tubules

modifies proteins and synthesizes lipids

A

Endoplasmic Reticulum

29
Q

endoplasmic reticulum has a hollow portion called

A

lumen or cisternal space

30
Q

er that has ribosomes

has studded appearance

makes phospholipids for cellular membranes

structural modifications occur

A

Rough ER

31
Q

has few to no ribosomes

synthesizes carbohydrates lipids and steriod hormones

storage for calcium ions

A

Smooth ER

32
Q

responsible for storage of calcium ions

A

Sarcoplasmic Reticulum

33
Q

network

A

Modern Biology (1 decks)

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