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Biology > Cell Test > Flashcards

Cell Test Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Name the three parts of the cell theory

A

1) All living things are made of cells
2) The cell is the basic unit of life
3) All cells come form pre-existing (other) cells

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2
Q

Which scientist studied the cork layer of bark from an oak tree?

A

Hooke

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3
Q

What is the name of the German plant biologist who said that all plants are made of cells?

A

Schleiden

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4
Q

Who concluded that all animals are made of cells?

A

Schwann

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5
Q

Who determined that cells come from pre-existing cells?

A

Virchow

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6
Q

Who was the first person to use the term “cell”?

A

Levanhook

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7
Q

These types of cell are primitive (single-celled bacteria)?

A

Prokaryotic

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8
Q

More advanced cells like plant and animal are this type of cell.

A

Eukaryotic

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9
Q

These types of cells have a true nucleus.

A

Eukaryotic

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10
Q

These types of cells contain ribosomes

A

Prokaryotic & Eukaryotic

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11
Q

Which organelle directs all cell activities?

A

Nucleus

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12
Q

Which organelle is only found in animal cells and play an important part in mitosis?

A

Centrioles

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13
Q

This cell structure helps package cell products.

A

Golgi Bodies

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14
Q

These structures are found along the ER and are the sites for protein synthesis.

A

Ribosomes

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15
Q

These structures are known as the powerhouses of the cell.

A

Mitochondria

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16
Q

These cell structures contain various kinds of digestive enzymes to help break down old cell parts.

A

Lysosomes

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17
Q

Genes are organized into long strands called this.

A

Double Helix

18
Q

This membrane encloses the cell contents.

A

Cytoskeleton

19
Q

This structure contains chlorophyll

A

Choloroplast

20
Q

This membrane encloses the nucleus.

A

Cell Membrane

21
Q

How do you find total magnification?

A

Eyepiece x Objective = Total Magnification

22
Q

Why do you put the cover slip on a slide at an angle?

A

So that you don’t get any air bubbles.

23
Q

Why is stain sometimes used when making slides?

A

So that you can see the picture and nucleus more clearly.

24
Q

This is the complex network of membranes in the cytoplasm that is continuous with the nuclear membrane at several points, which help transport substances throughout the cell.

A

Endoplasmic Reticulum

25
Q

Which organelle provides energy by breaking down glucose?

A

Mitochondria

26
Q

What is found in the nucleus and responsible for making ribosomes?

A

Nucleolus

27
Q

What controls the passage of substances between the cutoplasm and the nucleus?

A

Nuclear Membrane

28
Q

What controls the passage of substances into and out of the cell?

A

Cell Membrane

29
Q

What protects the plant cell and gives it its shape?

A

Cell Wall

30
Q

What organelle contains the pigment needed for photosynthesis?

A

Chloroplast

31
Q

What organelle stores waste or usable substances?

A

Lysosomes

32
Q

What is the “control center”?

A

Nucleus

33
Q

In what part of the cell do most cellular processes occur?

A

Nucleus

34
Q

What is the name for the structure that absorbs energy from the sun?

A

Chloroplast

35
Q

What are three passive transport processes? Do they require energy?

A

No

  • Diffusion
  • Osmosis
  • Facilitated Diffusion
36
Q

What are three active transport processes? Do they require energy?

A

Yes

  • Pumps
  • Endosytosis
  • Exosytosis
37
Q

What is the difference between hypertonic, hypotonic, and isotonic solutions relative to the internal cellular enviorment?

A

Hypertonic- High Solute compared to the cell
Hypotonic - Low solute concentration compared to the cell
Isotonic - Contains same solute concentration as the cell

38
Q

What is dynamic equilibrium? When does it happen?

A

A reversible reaction. When something needs to be changed.

39
Q

Describe what happens to a cell when placed in hypertonic, hypotonic, and isotonic solutions.

A

They are all bathed in fluid. How the fluid compares to the internal cellular environment, may cause water to move in or out of the cell.

40
Q

What are the three main differences between plant and animal cells?

A

Besides the size there is also the chloroplasts, cell wall, and vacuoles.

Biology (4 decks)

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