Microscope Flashcards

1
Q

Passive Transport

A

a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input.

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2
Q

Endocytosis

A

the transport of solid matter or liquid into a cell by means of a coated vacuole or vesicle

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3
Q

Carbohydrate

A

any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people.

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4
Q

Protien

A

any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other

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5
Q

Cell theory

A

a scientific theory which describes the properties of cells.

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6
Q

Organ system

A

Group of organs

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7
Q

Cell wall

A

A rigid layer protecting the cells insides

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8
Q

Compound

A

When two or more chemicals are combined

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9
Q

Diffusion

A

Scattering or moving widely

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10
Q

Active transport

A

Movement in molecules

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11
Q

Selectively permeable

A

It is when a cell only lets in certain molecules

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12
Q

DNA

A

deoxyribonucleic acid

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13
Q

Osmosis

A

a process by which molecules of a solvent tend to pass through a semipermeable membrane

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14
Q

Nucleus

A

The area were DNA is stored and were ribosomes are made

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15
Q

Double Helix

A

a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.

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16
Q

Element

A

An element is a substance consisting of atoms which all have the same number of protons

17
Q

Cell

A

What makes up everything

18
Q

Enzyme

A

A substance produced by a living organism

19
Q

Exocytosis

A

A process we’re the content of a cell is released through a vacuole

20
Q

Lipid

A

Any class of organic compounds

21
Q

Nucleic Acid

A

A complex organic substance present in living cells

22
Q

Organ

A

a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.

23
Q

Cell membrane

A

the semipermeable membrane surrounding the cytoplasm of a cell.

24
Q

Tissue

A

any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.