1/27/24 Flashcards

ch 3

1
Q

phospholipids

A

double lines cell membrane; unique type of lipid that has a water soluble head and a fat soluble tail

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2
Q

enzymes

A

regulate chemical reactions

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3
Q

cytoplasm

A

combination of fluid material and organelles within the cell

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4
Q

mitochondria

A

powerhouse; chemical energy of foods to real energy

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5
Q

nucleus is surrounded by

A

double membrane

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6
Q

RNA

A

single stranded nucleic acid involved in transcription of genetic info and translation into protein structures

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7
Q

ribosomes

A

protein synthesis sites, where amino acids link

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8
Q

endoplasmic reticulum

A

organelle compound of a network of canals running through the cytoplasm; includes ribosomes

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9
Q

Golgi complex

A

packing site for lipids and proteins; produced in the cell

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10
Q

secretory vessels

A

within Golgi complex; contain protein and other compounds to be secreted by the cell

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11
Q

lysosome

A

cellular organelle containing digestive enzymes

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12
Q

peroxisomes

A

cellular organelle that destroys toxic products from the cell

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13
Q

catalase

A

breaks down hydrogen peroxide; protective enzyme

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14
Q

epithelial tissue

A

composed of cells covering surfaces inside and outside the body; respiratory tract

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15
Q

connective tissue CT

A

supports and protects the body, stores fat, produces blood cells

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16
Q

muscle tissue

A

designed for movement

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17
Q

nervous tissue

A

brain and SC; communication

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18
Q

organ

A

a group of tissue designed for a function

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19
Q

organ system

A

collection of organs for a function

20
Q

anabolic reaction

A

small molecules to large products; require energy

21
Q

catabolic reaction

A

large products to small particles; release energy

22
Q

lymphatic system

A

system of vessels and lymph that accept fluids surrounding cells and large particles

23
Q

lymph

A

clear fluid; carries forms of fat after small intestine

24
Q

blood composed of

A

plasma, rbc, wbc, platelets and more

25
Q

wbc

A

immune protection

26
Q

rbc

A

o2 and co2

27
Q

platelets

A

discs for healing/coaggulation

28
Q

capillaries

A

a network of tiny blood vessels

29
Q

veins

A

carry blood to heart

30
Q

arteries

A

carry blood away from heart

31
Q

heptic portal circulation

A

large portal vein carries nutrients rich blood from capillaries to liver

32
Q

lymph has lots of what

33
Q

lacteal

A

lymphatic vessel that absorbs fat from small intestine

34
Q

phytochemical are in….

A

cranberries

35
Q

ureter

A

tube from kidney to urinary bladder

36
Q

neuron

A

elongated branched cell

37
Q

neurotransmitter

A

a chemical signal, compound allowing for communication between cells

38
Q

serotonin

A

neurotransmitter regulating mood, sleep, and appetite

39
Q

where is bile produced

40
Q

where is bile stored

A

gallbladder

41
Q

what must bile absorb and digest

42
Q

where is icl secreted

43
Q

where are nutrients absorbed

44
Q

probiotics

A

living organisms that when eaten in adequate amounts, provide health for humans

45
Q

norepinephrine vs epinephrine

A

Norepinephrine: More focused on blood pressure regulation and localized neurotransmitter effects.
Epinephrine: More involved in systemic “fight or flight” responses, including energy mobilization and broad physiological effects.