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A&P Vocab First Semester > Chapter 1-3 > Flashcards

Chapter 1-3 Flashcards

1
Q

Anatomical position

A

Body erect
feet slightly apart
palms facing forward
thumbs point away from body

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2
Q

Apoptosis

A

Eliminated later by programmed cell death

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3
Q

Disaccharide

A

type of carbohydrate

double sugar

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4
Q

Electrolyte

A

ions conduct electrical currents in solution

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5
Q

Enzymes

A

enzymes are biological catalysts

type of protein

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6
Q

Excretion

A

Removal of wastes from metabolism and digestion

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7
Q

Mass number

A

total number of protons and neutrons in nucleus

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8
Q

Exergonic

A

net release of energy

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9
Q

Free radicals

A

highly reactive chemicals with unpaired electrons

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10
Q

Gene

A

segments of DNA with blueprint for one polypeptide

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11
Q

Glycolipids

A

lipids with polar sugar groups on outer membrane surface

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12
Q

Homeostasis

A

the maintenance of internal stability through constant environmental changes

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13
Q

Isotonic solution

A

same solute/water concentration as inside cells; water moves in and out).

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14
Q

ligands

A

A molecule that binds to another. Often , a soluble molecule such as a hormone or neurotransmitter that binds to a receptor.

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15
Q

Lipids

A

Contain C, H, O (less than in carbohydrates), and sometimes P
Insoluble in water

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16
Q

Phagocytosis

A

Pseudopods engulf solids and bring them into cell’s interior

Form vesicle called phagosome

17
Q

Promoter

A

DNA sequence specifying start site of gene on template strand

18
Q

Ribosomes

A

granules containing protein and rRNA

19
Q

Serosa

A

Thin,double layered membrane

20
Q

Solute pumps

A

moves solutes against concentration gradient

21
Q

Solutions

A

Homogeneous mixtures

22
Q

Axial

A

head
neck
torso

23
Q

interstitial fluid

A

a solution that bathes and surrounds the tissue cells

24
Q

Isomer

A

each of two or more compounds with same formula but different arrangements of atoms in the molecule and different properties

25
Q

Radiant energy

A

travels in waves

A&P Vocab First Semester (5 decks)

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