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Biology > Biology Unit 3 > Flashcards

Biology Unit 3 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

first observed cells; published
Micrographia. Named them “cells”

A

Robert Hooke

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2
Q

Cell Theory

A

All cells are made of one or more cells, Cells are the basic unit of life, and all new cells come from pre existing cells.

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3
Q

Compound Light Microscope

A

1000x, (C) Can
view live specimens

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4
Q

Electron Microscope

A

500,000x Cannot view live specimens

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5
Q

Transmission Electron Microscope TEM

A

1D

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6
Q

Scanning Electron Microscope SEM

A

3D

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7
Q

Parts of all cells?

A

Cell Membrane, Cytoplasm, Ribosomes, and Genetic Material

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8
Q

Hydrophillic End

A

(Head) Water loving

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9
Q

Hydrophobic End

A

(Tail) Water fearing

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10
Q

Cytoplasm

A

Jello-like fluid inside cells

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11
Q

Genetic Materials

A

Stores and transmits info

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12
Q

Ribosomes

A

Builds proteins

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13
Q

Prokaryote

A

Lack a nucleus and Membrane-bound organelles

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14
Q

Eukaryote

A

Has a Nucleus and Membrane-bound organelles

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15
Q

Phospholipid Bilayer

A

creates barrier, maintains
homeostasis.

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16
Q

Selectively Permeable

A

only allows certain things to
enter & exit.

17
Q

Homeostasis

A

Maintains a stable internal environment,
when external changes.

18
Q

Cholesterol

A

Found in the membrane to stabilize and provide flexibility. (only in animal cells)

19
Q

Membrane Proteins

A

Transport Proteins
* Receptor Proteins
* Anchor Proteins

20
Q

Passive Transport

A

NO energy or ATP required

21
Q

Active Transport

A

Energy and ATP required going from LOW to HIGH

22
Q

Diffusion

A

movement of particles FROM HIGH
concentration TO LOW concentration

23
Q

Osmosis

A

the process of diffusion….with
WATER!

24
Q

Facilitated Diffusion

A

Transport Proteins
HELP carry molecules across membrane.

25
Q

Endocytosis

A

cell surrounds substance outside and encloses it -> TAKES IN

26
Q

Exocytosis

A

secretion of materials from cell ->
SENDS OUT

27
Q

Cilia and Flagella

A

Short and Long, Help Cell movement and feeding.

28
Q

Vacuole

A

Storage of wastes and materials (Water)

29
Q

Lysosomes

A

Digest old cell parts + invaders

30
Q

Endoplasmic
Reticulum

A

Site of Protein Synthesis

31
Q

Nucleus

A

Control center,
holds genetic info
+ nucleolus (site of
ribosome
synthesis)

32
Q

Mitochondria

A

Where Energy/ATP
synthesis is

33
Q

Golgi Apparatus

A

Packages and Modifies proteins

34
Q

Centrioles

A

Aid in cell division

35
Q

Chloroplasts

A

Creates Food/glucose
synthesis via
photosynthesis

36
Q

What are 3 words for CELL MEMBRANE

A

CELL MEMBRANE, PLASMA MEMBRANE, PHOSPHOLIPID BILAYER

Biology (7 decks)

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