CELLS AND TISSUE Flashcards

(44 cards)

1
Q

SMALLEST UNIT OF LIFE

A

CELL

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2
Q

THIS IS THE SELECTIVE PERMEABLE BARRIER

A

PLASMA MEMBRANE

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3
Q

INTRACELLULAR FLUID PACKED WITH ORGANELLES

A

CYTOPLASM

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4
Q

ORGANELLES THAT CONTROLS CELLULAR ACTIVITIES

A

NUCLEUS

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5
Q

MOST ABUNDANT MATERIAL, JELLYLIKE SUBSTANCE COMPOSED OF PROTEINS AND POLYSACCHARIDES

A

EXTRACELLULAR MATRIX (ECM)

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6
Q

SUBSTANCE THAT AID IN DIGESTION (GASTRIC FLUIDS) OR ACTS AS LUBRICANT (SALIVA)

A

CELLULAR SECRETIONS

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7
Q

FORMS OF THE FABRIC OF THE MEMBRANE (PHOSPHOLIPID + CHOLESTEROL)

A

MEMBRANE LIPIDS

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8
Q

Refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes, which are lipid bilayers that contain proteins embedded in them.

A

TRANSPORT PROTEINS

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9
Q

what are the three passive membrane transport

A

simple diffusion, facilitated diffusion, osmosis

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10
Q

helps in stabilizing the internal environment of the organism by balancing the levels of water and intracellular fluids.

A

osmosis

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11
Q

the passive movement of substances, such as biological molecules or ions, across a plasma membrane by means of a transport protein located in the plasma membrane

A

facilitated diffusion

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12
Q

describes the amount of solute in a solution.

A

tonicity

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13
Q

To maintain the cell structure and prevent the cell lysis more dilute than cells, cells pump up or lyse

A

hypotonic

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14
Q

signals from the nervous system

A

neurotransmitter

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15
Q

signals from the endocrine system

A

hormones

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16
Q

chemicals that act locally and are rapidly destroyed

A

paracrines

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17
Q

viscous, semi-transparent fluid in which other cytoplasmic elements are suspended

A

CYTOSOL

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18
Q

metabolic machinery of the cell that synthesize proteins, generate ATP

19
Q

chemical substances like stored nutrients, lipid droplets and pigments

20
Q

Powerplants of the cell, providing ATP supply
Lozenge-shaped organelles that contains its own DNA, RNA, ribosomes and able to reproduce themselves

21
Q

Sites of protein synthesis
Small-dark staining granules composed of proteins and RNA

22
Q

Extensive system of interconnected tubes and parallel sacs

A

endoplasmic reticulum

23
Q

studded with ribosomes that manufacture all proteins secreted from cells; manufacture of integral proteins and phospholipids that fo part of all cellular membranes

24
Q

contains integral proteins called enzymes that catalyze reactions

25
Spherical membranous organelles containing activated hydrolytic enzymes Digests all kinds of biological molecules including invading bacteria and cell debris
PERIOXISOMES
26
Modify, concentrate and package the proteins and lipids Stacked, flattened membranous sacs associated with tiny membranous vesicles
GOLGI APARATUS
27
Spherical membranous sacs containing enzymes (numerous in kidneys and livers) Oxidases and Catalases detoxify alcohol and formaldehyde and neutralize free radicalsOLG
LYSOSOMES
28
tiny, finger-like extensions of the plasma membrane that project from an exposed cell surface. It increase the cell surface and and most often found in absorptive cells in the intestine and kidney
MICROVILLA
29
projections formed by centrioles but longer. The only flagellated cell is a sperm which has one propulsive flagellum. It propels the cell itself
FLAGELLA
30
whiplike, motile cellular extensions that occur on the exposed surfaces of certain cells. Its actions move substances in one direction across the cell surfaces
CILLIA
31
carries the coded information to the cytoplasm, where protein synthesis occurs O Ribosomal RNA
MESSENGER RNA
32
2 units form functional ribosomes which are sites of protein synthesis
Ribosomal RNA
33
ferry amino acids to the ribosomes
Transfer RNA
34
Secrete their products onto body surfaces or into body cavities, include the liver, pancreas, salivary glands among others
EXOCRINE
35
Product hormones that enter the blood or lymphatic fluid to specific target organs
ENDOCRINE
36
Blood vessels transport blood, which carries oxygen, caroon dioxide. nutrients, wastes, etc. The heart pumps blood.
CARDIOVASCULAR SYSTEM
37
product of a gland that can be aqueous, lipid or steroid-rich containing proteins
SECRETION
38
product of a gland that can be aqueous, lipid or steroid-rich containing proteins
GLAND
39
Keeps blood constantly supplied with oxvgen and removes carbon dioxide These exchanges occur through the walls of the air sacs of the lungs
RESPIRATORY SYSTEM
40
unstructured materials that fills the space between cells and fibers
GROUND SUBSTANCE
41
Breaks down odd no absornanie minic that enter the blood for distribution to body cells. Indigestible foodstuffs are eliminated as reces
DIGESTIVE SYSTEM
42
studies the function of the body, how the body parts work and carry out their life-sustaining activitie
PHYSIOLOGY
43
study of large body structures visible to the naked eye, such as heart, lungs,
GROSS ANATOMY
44
in which cells come together, touch and recognize one another. Useful in development and immunity
CONTACT SIGNALNG