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Ninth Grade Science > Semester One Exam Study Guide > Flashcards

Semester One Exam Study Guide Flashcards

1
Q

What is an observation?

A

Gathering information with the 5 senses

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2
Q

What is the role of enzymes?

A

Speed up chemical reactions and break things down

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3
Q

Levels of organization

A

Cell, tissue, organ, organ system, organism

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4
Q

What does ATP stand for?

A

Adenosine triphophate

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5
Q

What is the difference between a prokaryotic and eukaryotic cell?

A

Eukaryotic cells have membrane bound organelles and prokaryotic cells do not

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6
Q

What is the major role of nucleic acid’s?

A

Storage of genetic information

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7
Q

What are the three parts of cell theory?

A

The cell is the basic unit of structure and function in all living things

All cells come from pre-existing cells

All living things are composed of one or more cells

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8
Q

What is the function of mitochondria?

A

Cellular respiration

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9
Q

What is the function of ribosomes?

A

Make proteins

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10
Q

What is the function and composition of the cell membrane?

A

The cell membrane protects the cell And is made of phospholipids

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11
Q

What is the function of a vacuole

A

The vacuole stores food, water, waste

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12
Q

What is the function of the nucleus?

A

The nucleus Directs the cells activity and holds DNA

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13
Q

What is the function of the cytoplasm

A

The cytoplasm holds organelles that supports life processes

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14
Q

What is the function of the chloroplast?

A

The chloroplast is the site of photosynthesis

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15
Q

What is the difference between a prokaryotic and eukaryotic cell?

A

Eukaryotic cells have a nucleus.

Prokaryotic cells do not have a nucleus.

Eukaryotic cells have membrane bound organelles

Prokaryotic cells do not have membrane bound organelles.

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16
Q

What is the relationship between photosynthesis and cellular respiration?

A

Photosynthesis produces oxygen required for respiration.

Respiration produces carbon dioxide required for photosynthesis

17
Q

What are the three steps of cellular respiration in order?

A
  1. Glycolysis
  2. Krebs cycle
  3. Electron transport chain
18
Q

In all multi celled living things, what is the hierarchy of organization starting with the cell?

A

Cell, tissue, organ, organ system, organism

Ninth Grade Science (1 decks)

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