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Wind Biology > Unit 1A Review > Flashcards

Unit 1A Review Flashcards

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1
Q

What does this safety symbol mean?

A

corrosive

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2
Q

What does this safety symbol mean?

A

biohazard

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3
Q

What does this safety symbol mean?

A

flammable

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4
Q

What does this safety symbol mean?

A

hot surface

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5
Q

What does this safety symbol mean?

A

dangerous to environment

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6
Q

How do you correctly dilute an acid?

A

Add the acid to the water, not the water to the acid.

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7
Q

What is the FIRST thing you should do whenever there is an accident or emergency in the science lab?

A

alert the teacher

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8
Q

Who needs to wear safety glasses?

A

everyone

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9
Q

How do you correctly read volume from a graduated cylinder?

What is the volume of this graduated cylinder?

A

Read from the lowest point of the curve (meniscus.) The volume of this cylinder is 20 mL.

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10
Q

List the 8 characteristics of living things.

A

Made of Cells

Homeostasis

Reproduction

Materials and Energy

Universal Genetic Code

Growth and Development

Response to Environment

Evolution/Change Over Time (as a population)

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11
Q

How many independent variables should be tested at one time?

A

one

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12
Q

What are 2 examples of a nucleic acid?

A

DNA and RNA

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13
Q

What is the primary function of a carbohydrate?

A

Main source of energy for living things

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14
Q

What is the monomer of a protein?

A

amino acid

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15
Q

Because enzymes only catalyze one reaction and must fit with their substrate, we say they are _____.

A

substrate specific

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16
Q

All cell contain a _____, _____ and _____.

A

cell membrane, genetic material and cytoplasm

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17
Q

What are the differences between plant and animal cells?

A

Plants have chloroplasts, a cell wall and a large vacuole.

Animals have centrioles.

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18
Q

What type of bond is used to join amino acids into a protein?

A

peptide

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19
Q

List the principles of the cell theory.

A

Cells are the basic units of life.

All cells come from other cells.

All organisms are composed of cells.

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20
Q

What is the monomer of a carbohydrate?

A

monosaccharide

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21
Q

The variable that is manipulated by the experimenter.

A

independent

22
Q

This organelle stores materials, especially water

A

vacuole

23
Q

This organelle is the site of protein synthesis

A

ribosome

24
Q

What is the monomer of a nucleic acid?

A

nucleotide

25
Q

What are three functions of a cell’s nucleus?

A

Stores DNA

Controls the cell’s processes

Contains the information to make proteins

26
Q

What is this piece of lab equipment?

A

beaker

27
Q

What is this piece of lab equipment?

A

graduated cylinder

28
Q

What is the purpose of an enzyme?

A

change the speed of a chemical reaction

29
Q

Give an example of a prokaryotic cell.

A

bacteria

30
Q

This organelle is responsible for energy conversion in the cell

A

mitochondrion

31
Q

This organelle transports materials within the cell

A

endoplasmic reticulum

32
Q

This microscope part adjusts the amount of light used to view an organism

A

diaphragm

33
Q

What is this piece of lab equipment?

A

test tube rack

34
Q

What is this piece of lab equipment?

A

forceps

35
Q

What three scientists contributed to the development of the cell theory?

A

Schleiden, Schwann and Virchow

36
Q

What are the differences between eukaryotic and prokaryotic cells?

A

Prokaryotes lack membrane-bound organelles.

37
Q

What is this piece of lab equipment?

A

Erlenmeyer flask

38
Q

This organelle digests large particles in the cell

A

lysosome

39
Q

This microscope part contains the scanning, low and high power objectives

A

nosepiece

40
Q

If a substance has a pH of 3, is it an acid or a base?

A

acid

41
Q

What elements are contained in lipids?

A

carbon, hydrogen and oxygen

42
Q

List the levels of organization from cell to biosphere.

A

cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere

43
Q

Which type of graph is used to compare data in discrete catagories?

A

bar

44
Q

Which type of graph is used to show change over time with continuous data?

A

line

45
Q

Which type of graph is used to show percentages and comparison to the whole?

A

circle

46
Q

Why is a control group a necessary part of an experiment?

A

It allows the experimenter to make comparisons between groups and valid conclusions.

47
Q

What elements are contained in proteins?

A

carbon, hydrogen, oxygen, and nitrogen

48
Q

What is this piece of lab equipment?

A

pipette

49
Q

What elements are contained in nucleic acids?

A

carbon, hydrogen, oxygen, nitrogen and phosphorus

50
Q

This organelle stores and packages chemicals

A

Golgi apparatus

Wind Biology (10 decks)

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