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Science > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

Lab safety: Never perform any lab activities without permission from the __________.

A

teacher

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2
Q

Lab safety: Follow all __________ and __________ instructions from your instructor.

A

physical
verbal

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3
Q

Lab safety: Horseplay and practical jokes are __________ allowed in the science lab.

A

not

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4
Q

Lab safety: List 3 things that should be worn while performing a lab experiment.

A

safety glasses
apron
gloves

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5
Q

Lab safety: Are food, drinks and gum allowed while in the science lab?

A

No

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6
Q

Lab safety: What should you do if you are injured at all in the laboratory?

A

Go report to a teacher immediately

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7
Q

Lab safety: What is the last thing you should do before leaving the science lab?

A

Make sure your area is cleaned and everything is picked up

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8
Q

Lab safety: Should you ever taste or smell chemicals in the lab to identify them?

A

Never smell of taste chemical that you are unaware of

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9
Q

What is the smallest unit that can perform all of the functions of living things called?

A

Cells

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10
Q

What did Robert Hooke contribute to the discovery of the cell?

A

He named the Cell

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11
Q

What did Anton Van Leeuwenhoek contribute to the discovery of the cell?

A

He made his own microscope

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12
Q

What did Zacharias Janssen contribute to the discovery of the cell?

A

He created the microscope and telescope

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13
Q

What did Theodor Schwann contribute to the discovery of the cell?

A

He discovered animals are made up of cells

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14
Q

What did Matthias Schleiden contribute to the discovery of the cell?

A

He discovered plants are made up of cells

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15
Q

What did Rudolf Virchow contribute to the discovery of the cell?

A

He discovered cell reproduction

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16
Q

What is the accepted unified cell theory scientists agree upon today?

A

All living things are composed of one or more cells. New cells come from previous existing cells

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17
Q

What is the function of the cell wall? Is it found in plant cells, animal cells, or both?

A

thicker cell membrane than a cell and is made of cellulous

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18
Q

What is the function of the cell membrane? Is it found in plant cells, animal cells, or both?

A

Flexible material that holds the parts of the cell together

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19
Q

What is the function of the cytoplasm? Is it found in plant cells, animal cells, or both?

A

Fluids of dissolved molecules that fills cell and suspends organelles

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20
Q

What is the function of the nucleus? Is it found in plant cells, animal cells, or both?

A

The command center of the cell

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21
Q

What is the function of the nucleolus? Is it found in plant cells, animal cells, or both?

A

Makes ribosomes for the ER

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22
Q

What is the function of the mitochondria? Is it found in plant cells, animal cells, or both?

A

The cells, “Power house” where nutrients are digested and energy is created

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23
Q

What is the function of the ribosome? Is it found in plant cells, animal cells, or both?

A

These connect amino acids to build proteins in the cell

24
Q

What is the function of the chloroplast? Is it found in plant cells, animal cells, or both?

A

Produces food by converting light into energy into sugar

25
Q

What is the function of the vacuole? Is it found in plant cells, animal cells, or both?

A

storage bins for food, nutrients, or waste are kept. Larger in plant cells than animal cells

26
Q

What is the function of the Golgi body? Is it found in plant cells, animal cells, or both?

A

Gathers simple molecules and sorts them and packages them into complex molecules

27
Q

What is the function of the lysosome? Is it found in plant cells, animal cells, or both?

A

Enzymes created by the Golgi that are said to be used to digest food and remove cell waster

28
Q

What is the function of the centrioles? Is it found in plant cells, animal cells, or both?

A

two organelles that work together to help cell division

29
Q

What is the function of the smooth endoplasmic reticulum? Is it found in plant cells, animal cells, or both?

A

Protein manufacturing and packaging system. Ribosomes attached to the surface

30
Q

What is the function of the rough endoplasmic reticulum? Is it found in plant cells, animal cells, or both?

A

Important to making liquids and transporting through out the cell

31
Q

Why would a plant cell need to have a much larger vacuole than an animal cell?

A

The plant needs to store more food and water than an animal cell

32
Q

List the levels of multicellular organization from least to most complex (cell -> organism)

A

Organelles- cells- tissue- organs- organ system

33
Q

Give an example of a unicellular organism

A

Yeasts

34
Q

Give an example of a multicellular organism

A

Plants

35
Q

Cells of a multicellular organism are __________ to perform a specific function in the body.

A

distined

36
Q

Tissues are composed of group of similar __________.

A

Cells

37
Q

Organ Systems are composed of a group of __________ that work together to perform a specific function.

A

Organs

38
Q

Give an example of an organ in the body that has a structure which helps it perform a specific function in the body.

A

A heart is an organ that pumps blood through your body to keep you alive.

39
Q

List the organs found in the nervous system

A

Brain, spinal cord, and complex network of nerves

40
Q

List the organs found in the respiratory system

A

Lungs, trachea, and diaphragm

41
Q

List the organs found in the circulatory system

A

Heart, blood, and blood vessels

42
Q

List the organs found in the digestive system

A

Mouth, esophagus, stomach, small intestine, big intestine, and anus

43
Q

List the organs found in the muscular system

A

Heart, digestive organs, and blood vessels

44
Q

List the organs found in the skeletal system

A

Bones, cartilage, ligaments, and tendons

45
Q

How does the nervous system function in the body?

A

Keeps your body alert of what’s happening

46
Q

How does the respiratory system function in the body?

A

Moves fresh air into your body while removing waste gasses

47
Q

How does the circulatory system function in the body?

A

Delivers oxygen and nutrients to cells and takes away waste

48
Q

How does the digestive system function in the body?

A

Absorbs food and then extrude them

49
Q

How does the muscular system function in the body?

A

Responsible for movement

50
Q

How does the skeletal system function in the body?

A

Gives body shape, allows movement, makes blood cells, provides protection for organs and stored minerals

51
Q

What are the 4 tissue types found in mammals?

A

Epithelial, connective, muscle, and nervous

52
Q

What are the 3 tissue types found in plants?

A

Ground, vascular, and dermal

53
Q

Vascular tissue in plants that carries water and nutrients from the roots upward is called __________.

A

Xylem

54
Q

Vascular tissue in plants that carries food from the leaves downward to the roots is called __________.

A

phloem

55
Q

What is the name given to the process in which plants respond to their environment?

A

Photosynthesis

56
Q

What is the chemical equation for photosynthesis?

A

Carbon dioxide + water→ sugars+ oxygen

57
Q

What are the compounds present in the photosynthesis equation?

A

six carbon dioxide molecules and six water molecules,

Science (2 decks)

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