Cell Organelles Flashcards

1
Q

Stores material within the cell

A

Vacuoles

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2
Q

Usually in pairs that aid in cell division

A

Centricles

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3
Q

The sites of protein synthesis

A

Ribosomes

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4
Q

Transports material within the cell

A

Endoplasmic Reticulum

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5
Q

The region inside the cell except for the nucleus

A

Cytoplasm

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6
Q

Organelle that manages or controls all the cell functions in a eukaryotic cell

A

Nucleolus

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7
Q

Has pores that allow ribosomes to escape

A

Cell membrane

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8
Q

Digests excess or worn out cell parts, food particles and invading viruses or bacteria

A

Lyosome

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9
Q

Small bumps located on portions of the endoplasmic reticulum

A

Ribosome

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10
Q

Longer whip like structure used for movement

A

Flagellum

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11
Q

Produces a useable form of energy for the cell

A

Mitochondrion

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12
Q

Packages proteins for transport out of the cell

A

Golgi apparatus

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13
Q

Stable cytoskeletal elements; resist mechanical forces acting on the cell

A

Intermediate filaments

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14
Q

Everything inside the cell including the nucleus

A

Organelles

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15
Q

Site where ribosomes are made

A

Nucleolus

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16
Q

Made of actin and helps with muscle contraction

A

Microfilaments

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17
Q

The membrane surrounding the cell

A

Cell membrane

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18
Q

Cylindrical structures made of tubulin proteins

A

Microtubules

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19
Q

Granular threadlike DNA material of the active cell

A

Chromatin

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20
Q

Tubular extensions of the plasma membrane that increase the area for absorption

A

Microvilli

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21
Q

Small hair like structures used for movement or sensing things

22
Q

Composed of phospholipid bilayer

A

Cell membrane

23
Q

Membranous sacs containing a variety of powerful enzymes (oxidase and catalases)

A

Peroxisomes

24
Q

In what organelle does cellular respiration take place?

A

The mitochondria

25
What is the list of organelles that take part in protein synthesis?
The nucleus, ribosomes, rough endoplasmic reticulum, and the golgi apparatus
26
How is the nucleus involved in protein synthesis?
The RNA polymerase unzips and reads one side of the DNA strand (found in the nucleus) and mRNA is formed
27
How does the membrane of cell differ from the nuclear membrane? What advantages does this difference have for the nucleus?
The cell membrane protects the cell while the nuclear membrane only protects the nucleus. This advantages the nucleus because it gets twice the protection.
28
What is the difference between rough ER and smooth ER?
Rough ER has ribosomes and smooth ER doesn't
29
What is the first step of protein synthesis?
Transcription
30
What is the second step of protein synthesis?
Translation
31
Where does the first step of protein synthesis occur?
In the nucleus
32
Where does the second step of protein synthesis occur?
Cytoplasm and ribosomes
33
How many nitrogen bases are read at a time?
3
34
What are the bases on mRNA strands called?
Codons
35
What are the bases on tRNA called?
Anti-codons
36
What is the start codon?
AUG
37
What are the stop codons?
UAG, AUG, UAA
38
A bunch of amino acids put together makes _______
Protein
39
Single stranded mirror image of DNA
mRNA
40
Series of 3 mRNA nucleotides
Codon
41
RNAs version of thymine
Uracil
42
Decoding of a mRNA message into a polymeric chain (protein)
Translation
43
Series of 3 tRNA nucleotides
tRNA
44
A
Adenine
45
T
Thymine
46
G
Guanine
47
C
Cytosine
48
Consists of nitrogenous base, phosphate group, and sugar
Nucleotide
49
Occurs in the nucleus during S phase
Replication
50
DNA has _____ RNA has ______
T | U