Cytology Flashcards

0
Q

What four elements form 95% of the body mass?

A

Oxygen
Carbon
Hydrogen
Nitrogen

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1
Q

What is cytology?

A

The study of cells

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2
Q

What constitutes 2/3 of our body mass?

A

Water

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3
Q

What is the normal ph of blood ?

A

7.35-7.45

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4
Q

What are the four major groups of biological macromolecules?

A

Proteins
Polysaccharides
Lipids
Nucleic acids

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5
Q

How is DNA formed ?

A

By replication

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6
Q

What are polymers are proteins made out of?

A

Amino acids

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7
Q

What polymers are polysaccharides made out of?

A

Monosaccharides

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8
Q

How is RNA formed?

A

By transcription

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9
Q

How are proteins assembled?

A

By translation

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10
Q

What are polysaccharides an important source for?

A

Cellular energy

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11
Q

What do proteins form?

A
Enzymes
Antibodies
Hormones
Contractile elements
Structural components of cells
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12
Q

What are the 4 major categories of lipids?

A

Glycerides
Steroids
Prostaglandins
Phospholipids

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13
Q

What are the three major parts of a cell?

A

Nucleus
Cytoplasm
The cell membrane

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14
Q

What is the cellular fluid of cytoplasm called ?

A

Cytosol

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15
Q

What are the 3 main forms of RNA?

A
Transfer RNA (tRNA)
Messenger RNA (mRNA)
Ribosomal RNA (rRNA)
16
Q

What is the largest and the smallest cells in the human body?

A

Female egg or ova

Red blood corpuscles