Biology Unit 1 Flashcards

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1
Q

An organic molecule that serves as the building block of proteins composed of the elements carbon hydrogen oxygen and nitrogen

A

Amino acid

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2
Q

A substance that either comes from a living organism such as blood or contains living organisms such as bacteria

A

Biological substance

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3
Q

A biological substance that could potentially cause harm

A

Biohazard

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4
Q

Any molecule that is found in living organisms. Includes proteins carbohydrates lipids and nucleic acids

A

Biomolecule

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5
Q

The biomolecule that includes sugars and starches. Made up of carbon hydrogen and oxygen atoms. Functions as a form of quick energy

A

Carbohydrate

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6
Q

A membrane-bound organelle or structure where photosynthesis takes place

A

Chloroplast

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7
Q

The standard that experimental results are compared to

A

Control

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8
Q

Factors that are not directly involved in the experiment but the experimenter wants to make sure and keep these factors constant also known as Constance

A

Controlled variable

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9
Q

Capable of corroding or eating away at materials it comes into contact with

A

Corrosive

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10
Q

The component of an experiment that is counted measured or observed

A

Dependent variable

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11
Q

To make a substance thinner or weaker by adding water

A

Dilute

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12
Q

To put in a particular place

A

Dispose

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13
Q

A single or multi-celled organism that has a nucleus and other membrane-bound organelles

A

Eukaryote

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14
Q

The procedure used by scientists to test a hypothesis and gather information in a controlled setting

A

Experiment

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15
Q

Capable of catching on fire

A

Flammable

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16
Q

To devise or create

A

Formulate

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17
Q

The way something works or operates

A

Function

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18
Q

A simple sugar that is necessary for living things to break down and use as an energy source. A monosaccharide

A

Glucose

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19
Q

Dangerous

A

Hazardous

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20
Q

A solution for a question or problem that can be tested

A

Hypothesis

21
Q

The component of the experiment that is changed or manipulated by the experimenter

A

Independent variable

22
Q

A bio molecule that includes fats oils and waxes. Made up of carbon hydrogen and oxygen atoms. Functions as long-term energy storage

A

Lipid

23
Q

A membrane-bound organelle or structure that is responsible for the production of the cell’s energy

A

Mitochondria

24
Q

A small molecule that can be bonded to other similar molecules to form a polymer. The building blocks of a larger molecule

A

Monomer

25
Q

The monomer of a carbohydrate. A single sugar

A

Mono saccharide

26
Q

The biomolecule that includes DNA and RNA. Made up of nucleotides containing carbon hydrogen oxygen nitrogen and phosphorus. Functions as a cell’s genetic information

A

Nucleic acid

27
Q

Building block of nucleic acid. Made of sugar phosphate group and a nitrogen base

A

Nucleotide

28
Q

The point at which something begins

A

Origin

29
Q

An Occurrence or circumstance that is observed within the scientific community

A

Phenomenon

30
Q

A type of lipid that has a round phosphate head and two fatty acid tails

A

Phospholipid

31
Q

A large molecule composed of many repeating cells made up of monomers

A

Polymer

32
Q

A polymer of carbohydrate. Made of three or more monosaccharides

A

Polysaccharide

33
Q

Happens in a way that is expected

A

Predictable

34
Q

A set of instructions to complete a task

A

Procedure

35
Q

A single-celled organism that does not have a nucleus and membrane-bound organelles

A

Prokaryote

36
Q

A biomolecule involved in all life processes. Made up of carbon hydrogen oxygen and nitrogen atoms. A polymer of amino acids

A

Protein

37
Q

An organized structure enclosed by a lipid membrane that can grow and divide. The proposed first cell on Earth

A

Protocell

38
Q

Descriptive data that scientist would record from their observations. Examples include color and smell

A

Qualitative data

39
Q

Numerical data that is measured. Examples include temperature

A

Quantitative data

40
Q

Produces harmful rays of radiation

A

Radioactive

41
Q

Series of steps used by scientists to solve a problem or answer a question

A

Scientific method

42
Q

The arrangement of parts or elements to form something complex

A

Structure

43
Q

A set of statements created to explain a phenomenon that is backed with scientific evidence. It can be tested with predictable results

A

Theory

44
Q

Poisonous could cause severe harm

A

Toxic

45
Q

A test or experiment done to obtain results

A

Trial

46
Q

Having a reasonable basis and knowledge or fact. Officially accepted result

A

Valid

47
Q

A graphic organizer used to compare two different concepts

A

Venn diagram

48
Q

When fresh air is circulated through a room

A

Ventilation