Cells (parts and functions) Flashcards

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1
Q

English scientist who devised the earliest microscope and was credited as the first to see a cell

A

Robert Hooke

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2
Q

Dutch naturalist credited to be the first to study magnified cells

A

Antonie van Leeuwenhoek

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3
Q

What does the cell theory state?

A

all organisms are composed of one or more cells

cells are the smallest and basic unit of structure and function in organisms

cells only arise from previously existing cells

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4
Q

What is the most basic unit of life?

A

cell

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5
Q

2 types of cells

A

Prokaryotes

Eukaryotes

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6
Q

cells with no distinct nucleus

A

Prokaryotes

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7
Q

cells with distinct nucleus

A

Eukaryotes

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8
Q

thin barrier that forma a boundary separating individual cells to the external environment

A

Cell membrane

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9
Q

the cell membrane consists of a?

A

Phospholipid bilayer

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10
Q

Phospholipids have a ____ head and a ____ tail

A

Hydrophilic head

Hydrophobic tail

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11
Q

What is the model for the cell membrane?

A

fluid mosaic model

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12
Q

Cell part that is present in plants, fungi, and bacteria

a rigid layer for protection, support and shape

A

Cell wall

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13
Q

Cell part that fills the space between nucleus and the cell membrane

A

Cytoplasm

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14
Q

Little organs suspended in the cytoplasm

A

organelles

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15
Q

Organelle that serves as the storehouse of genetic information

A

Nucleus

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16
Q

Site within the nucleus of ribosome synthesis

A

Nucleolus

17
Q

Organelle that helps material circulate through the cytoplasm

A

Endoplasmic reticulum

18
Q

Dotted with ribosomes that join amino acids together to form proteins

A

Rough Endoplasmic Reticulum

19
Q

Produces lipids

A

Smooth Endoplasmic Reticulum