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BIO 100 Exam 1

Total questions: 144

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

A scientific procedure designed to test a scientific hypothesis

a)

Exxperiment

b)

Biology

c)

Placebo

d)

Statistical Significance

2.

No intervention, additions, or manipulation

a)

Control Group

b)

Experimental Group

c)

Placebo

d)

Independent Variable

3.

The group with intervention/manipulation

a)

Experimental Group

b)

Control Group

c)

Controlled Experiment

d)

Placebo Group

4.

An experiment that includes both a control group and an experimental group

a)

Controlled Experiment

b)

Isolated Experiment

c)

Statistical Experiment

d)

Sample Experiment

5.

A false treatment that includes both a control group and an experimental group

a)

Placebo

b)

Anti-biotics

c)

Imitation Variable (s)

d)

Samples

6.

An experiment that includes both a control group and an experimental group

a)

Controlled Experiment

b)

Placebo Experiment

c)

Experiment

d)

Dependant Experiment

7.

The variable/factor being deliberately changed in the experimental group relative to the control group

Ex) From chapter 1- The radiation

a)

Independent Variable

b)

Dependent Variable

8.

The measured result of an experiment analyzed in both the experimental and control groups

Ex) From chapter 1- The occurrence of cancer

a)

Independent Variable

b)

Dependent Variable

9.

A measure of confidence that the results are "real" and not due to change

a)

Statistical Significance

b)

Sample Size

c)

Scientific Theory

d)

Correlation

10.

The number of experimental subjects or the number of times an experiment is repeated

a)

Statistical Significance

b)

Sample Size

c)

Scientific Theory

d)

Correlation

11.

A result has statistical evidence when it's UNLIKELY to have occurred by chance alone

a)

True

b)

False

12.

In humans the sample size is the number of participants

a)

True

b)

False

13.

The SMALLER the sample size the less likely it is that chance will skew the results in a meaningful way

a)

True

b)

False

14.

The scientific process is self-correcting

a)

True

b)

False

15.

An explanation of the natural world that is supported by a large body of evidence and has never been disproved

a)

Scientific Theory

b)

Epedimiology

c)

Correlation

d)

Case-Control Study

16.

The study of patterns of disease in populations, including risk factors.

(Provides big picture content)

a)

Scientific Theory

b)

Epedimiology

c)

Correlation

d)

Case-Control Study

17.

A relationship between two variables

a)

Scientific Theory

b)

Epedimiology

c)

Correlation

d)

Case-Control Study

18.

A type of epidemiological study to assess an association between an exposure and an outcome

a)

Scientific Theory

b)

Epedimiology

c)

Correlation

d)

Case-Control Study

19.

Longer Wavelength=Lower Energy=Lower Frequency

Shorter Wavelength=Higher Energy=Higher Frequency

a)

True

b)

False

20.

A relationship between the amount of a chemical or physical (ex, radiation) exposure, and the risk of a specific outcome in an exposed organism

a)

Dose-Response Relationship

b)

Recall Bias

c)

Correlation

d)

Randomized Clinical Trial

21.

A type of error resulting from inaccurate recollection or reporting of past events

a)

Dose-Response Relationship

b)

Recall Bias

c)

Correlation

d)

Randomized Clinical Trial

22.

A relationship between two variables

a)

Dose-Response Relationship

b)

Recall Bias

c)

Correlation

d)

Randomized Clinical Trial

23.

A controlled medical experiment in which subjects are randomly chosen to receive either an experimental treatment or a standard treatment (or a placebo)

a)

Dose-Response Relationship

b)

Recall Bias

c)

Correlation

d)

Randomized Clinical Trial

24.

Correlation IS a causation

a)

True

b)

False

25.

Science - method to seek answers

a)

True

b)

False

26.

Every species on earth has a genus in a species

a)

True

b)

False

27.

One piece of evidence, you can demonstrate almost anything with an _____

a)

Anedote

b)

Plausibility

c)

Hypothesis

d)

Correlation

28.

Chemicals that slow/stop the growth of bacteria

a)

Antibiotics

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

29.

Every new cell comes from the division of a pre-existing cell

a)

Cell Theory

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

30.

Have no organelles

ex) bacteria

a)

Eukaryotic Cells

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

31.

Has organelles

ex) animals

a)

Eukaryotic Cells

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

32.

Cell fluid

a)

Eukaryotic Cells

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

33.

Protein Synthesis

a)

DNA

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

34.

Code for protein synthesis

a)

DNA

b)

Prokaryotic Cells

c)

Cytoplasm

d)

Ribosomes

35.

DNA Floats Freely

No Organelles

Cell Wall Made of Peptidoglycan

Smaller

a)

Prokaryote

b)

Eukaryotic

36.

Nucleus

Has Organelles

Larger

a)

Prokaryote

b)

Eukaryotic

37.

Molecules bounce around; move from high concentration to low

a)

Diffusion

b)

Osmosis

c)

Isotonic

38.

Diffusion of water across a permeable membrane

a)

Diffusion

b)

Osmosis

c)

Isotonic

39.

When concentrations are equal inside and outside the cell solutions

a)

Diffusion

b)

Osmosis

c)

Isotonic

40.

Less Solute/More Water

a)

Hypotonic

b)

Hypertonic

c)

Osmosis

41.

More Solutes/Less Water

a)

Hypotonic

b)

Hypertonic

c)

Osmosis

42.

Osmosis into cells=BURST

a)

True

b)

False

43.

Humans have a cell wall

a)

True

b)

False

44.

Peptidoglycan in Cell Wall

a)

Gram-Positive

b)

Gram-Negative

45.

Lipid outer layer of cell wall

Prevents penicillin from reaching the peptidoglycan underneath

a)

Gram-Positive

b)

Gram-Negative

46.

Streptomycin interferes with protein synthesis and kills both Gram-Positive and Gram-Negative

a)

True

b)

False

47.

No Energy Required

a)

Simple Diffusion

b)

Facilitated Diffusion

48.

Large or hydrophilic solutes diffuse across a membrane through transport proteins

Substances move from an area of higher concentration

Does not require energy input

a)

Simple Diffusion

b)

Facilitated Diffusion

49.

(POLAR) Phosphates point toward the water

a)

Hydrophilic

b)

Hydrophobic

50.

(NONPOLAR) Lipid tails point away from water

a)

Hydrophilic

b)

Hydrophobic

51.

Antibiotics do not affect (a)   , but people commonly take antibiotics when infected

52.

Holds DNA

Surrounded by nuclear envelope

(a)  

53.

Network of membranes

Has Rough and Smooth

(answer is abbreviated)

(a)  

54.

With Ribosomes

Makes proteins

a)

Rough ER

b)

Smoothe ER

55.

Without ribosomes

Makes lipids

a)

Rough ER

b)

Smoothe ER

56.

A group of bacteria that have become resistant to "nearly" all antibiotics

(answer is abbreviated)

(a)  

57.

Extract energy from glucose

Store energy in ATP

Used to run all cellular metabolism

a)

Mitochondria

b)

Chloroplast

c)

Lysomes

d)

ATP

58.

The energizer battery of the cell

a)

Mitochondria

b)

Chloroplast

c)

Lysomes

d)

ATP

59.

In plants and algae

Photosynthesis

Capture and store solar energy in carbohydrates

a)

Mitochondria

b)

Chloroplast

c)

Lysomes

d)

Cytoskeleton

60.

Contain digestive enzymes

Break down worn-out cell parts

(Recycling center of the cell)

a)

Mitochondria

b)

Chloroplast

c)

Lysomes

d)

Cytoskeleton

61.

Network of protein fibers

Cell support and movement

a)

Mitochondria

b)

Chloroplast

c)

Lysomes

d)

Cytoskeleton

62.

The 4 Nucleotide Bases

(Answer is just the letters)

(a)  

63.

A pairs with _ and G pairs with _

(Answer is just the letters)

(a)  

64.

Complete set of genetic instructions encoded in all the chromosomes of an organism

(a)  

65.

Chain of nucleotides, found in the nucleus of Eukaryotic cells

(a)  

66.

Chain of amino acids

(a)  

67.

A macromolecule made of repeating amino acid subunits

(a)  

68.

Change in nucleotide code

(a)  

69.

Building blocks of proteins

20 different ____ ____ in humans, over 500 in nature

Human bodies can make 12 of the 20

Must get other 8 in food

(a)  

70.

What about DNA is correct?

a)

Hereditary Molecule

b)

Common to all living things

c)

All life on Earth is descended from a single common ancestor

d)

Serves as the instruction manual from how to build an individual

e)

All of these are correct

71.

When two chains of nucleotides pair up

a)

A double helix froms

b)

Bases connect the two strands and twist

c)

A hydrophobic reaction takes place

d)

Proteins travel

72.

A sequence of nucleotides in DNA is unique to each individual

a)

True

b)

False

73.

The order of the bases determines the order of amino acids in proteins

a)

True

b)

False

74.

DNA provides the instructions to make a protein

a)

True

b)

False

75.

Proteins end in IN

Sugars end in OUS

a)

True

b)

False

76.

All amino acids have the same basic core structure

Each has a unique chemical side group

a)

True

b)

False

77.

Large molecules that are chains of simpler chemical units called monomers

a)

Polymers

b)

Amino Acids

c)

Nucleotides

d)

Gene

78.

A sequence of DNA that codes from a protein

a)

Polymers

b)

Amino Acids

c)

Nucleotides

d)

Gene

79.

The shape of the protein determines its function

a)

True

b)

False

80.

Synthesis of a protein from a gene is called?

a)

Gene Expression

b)

Gene Synthesis

c)

Gene Theory

81.

The process of converting information from the coding sequence of a gene into protein

a)

Gene Expression

b)

Gene Synthesis

c)

Gene Theory

82.

Structure of a Gene

Genes have _ parts

(a)  

83.

On-Off switch for the gene

a)

Regulatory Sequence

b)

Coding Sequence

84.

Controls the amino acids sequence of the protein

a)

Regulatory Sequence

b)

Coding Sequence

85.

Involves converting DNA to RNA

a)

Transcription

b)

Translation

86.

Takes place inside the nucleus

a)

Transcription

b)

Translation

87.

Involves converting RNA to protein

a)

Transcription

b)

Translation

88.

Takes place on ribosomes in cytoplasm

a)

Transcription

b)

Translation

89.

DNA moves outside the nucleus

a)

True

b)

False

90.

___ helicase binds to the regulatory sequence of the gene

a)

RNA

b)

DNA

c)

CRE

d)

Rough ER

91.

Ribosome moves along the the mRNA "reading" it in groups of three nucleotides. These are called?

(a)  

92.

Each codon specifies a particular amino acid

a)

True

b)

False

93.

____ carries an amino acid to the ____ and ribosome by using it's anticodon to find a matching ____ codon

a)

tRNA, mRNA, mRNA

b)

mRNA, tRNA, mRNA

c)

tRNA, mRNA, tRNA

d)

mRNA, tRNA, DNA

94.

Organisms that have received recombinant genes are considered transgenic or (a)  

(Answer is abbreviated)

95.

__ possible codons codons from __ different amino acids

a)

64, 20

b)

20, 64

c)

12, 8

d)

8, 12

96.

(a)   blood cells don't have a nucleus so no DNA can be found in them

97.

(a)   blood cells have DNA

98.

Because each person's DNA is unique, we can extract DNA from cells and create a person's identity profile

a)

True

b)

False

99.

In DNA Replication, each molecule consists of one of the strands of the original DNA molecule and a new strand

a)

True

b)

False

100.

DNA replication produces _ copies of the original DNA molecule

a)

2

b)

8

c)

4

d)

6

101.

DNA comes apart

a)

Heat

b)

Cool

102.

DNA polymerase puts DNA back together with complementary nucleotides

a)

Heat

b)

Cool

103.

Plausibility is NOT evidence

a)

True

b)

False

104.

Scientific Process Step 1

a)

Make Observations

b)

Form Hypothesis

c)

Experiment

d)

Analyze Data

e)

Form Conclusions

105.

Scientific Process Step 2

a)

Make Observations

b)

Form Hypothesis

c)

Experiment

d)

Analyze Data

e)

Form Conclusions

106.

Scientific Process Step 3

a)

Make Observations

b)

Form Hypothesis

c)

Experiment

d)

Analyze Data

e)

Form Conclusions

107.

Scientific Process Step 4

a)

Make Observations

b)

Form Hypothesis

c)

Experiment

d)

Analyze Data

e)

Form Conclusions

108.

Scientific Process Step 5

a)

Make Observations

b)

Form Hypothesis

c)

Experiment

d)

Analyze Data

e)

Form Conclusions

109.

Authors and Reviews are usually anonymous to rule out bias

a)

True

b)

False

110.

Forming a scientific hypothesis must be

a)

Testable

b)

Falsifiable

c)

Repeatable

d)

Observable

e)

All of these are correct

111.

The Cause

a)

Independent Variable

b)

Dependant Variable

112.

The Effect

a)

Independent Variable

b)

Dependant Variable

113.

Repetition means confidence in conclusions

a)

True

b)

False

114.

Antibiotics target Eukaryotic cells

a)

True

b)

False

115.

Streptomycin doesn't effect eukaryotic cells because it doesn't fit in the human ______.

a)

Ribosome

b)

Chromosome

c)

Gene

d)

White Blood Cell

116.

Antibiotics are provided by naturally _____ organisms

a)

Living

b)

Dead

117.

DNA floats in cytoplasm

a)

Prokaryotic

b)

Eukaryotic

118.

Cell wall made of peptidoglycan

a)

Prokaryotic

b)

Eukaryotic

119.

The cell membrane is (a)  

120.

Cytoplasm is mostly water

a)

True

b)

False

121.

The cell membrane is semipermeable; large molecules (glucose) and charged substances (ions) cannot cross. However small uncharged substances can cross

a)

True

b)

False

122.

High to Low

Substances can move unimpeded

a)

Simple Diffusion

b)

Facilitated Diffusion

c)

Active Transport

123.

Transports proteins

a)

Simple Diffusion

b)

Facilitated Diffusion

c)

Active Transport

124.

Move across concentration gradient (Low to High)

Requires Energy

a)

Simple Diffusion

b)

Facilitated Diffusion

c)

Active Transport

125.

Proteins

a)

Rough ER

b)

Smooth ER

126.

Lipids

a)

Rough ER

b)

Smooth ER

127.

Stacks of disc-shaped membranes

Makes vesicles-membrane bound packages

(a)  

128.

Single DNA molecule wrapped around proteins

(a)  

129.

The three things in a DNA structure

(a)  

130.

Phosphate binds to (a)   and holds the chain together

131.

1st step to DNA Shape

a)

Two chains of nucleotides pair up

b)

Bases connect the two strands and twist

c)

A double helix is formed

132.

2nd step to DNA Shape

a)

Two chains of nucleotides pair up

b)

Bases connect the two strands and twist

c)

A double helix is formed

133.

3rd step to DNA Shape

a)

Two chains of nucleotides pair up

b)

Bases connect the two strands and twist

c)

A double helix is formed

134.

(a)   causes two strands of DNA to detatch

135.

Step 1 to creating a DNA profile

a)

Collect cells and extract DNA

b)

Amplify STR regions by PCR

c)

Cut out STR's

d)

Separate STR's

e)

Compare STR banding patterns

136.

Step 2 to creating a DNA profile

a)

Collect cells and extract DNA

b)

Amplify STR regions by PCR

c)

Cut out STR's

d)

Separate STR's

e)

Compare STR banding patterns

137.

Step 3 to creating a DNA profile

a)

Collect cells and extract DNA

b)

Amplify STR regions by PCR

c)

Cut out STR's

d)

Separate STR's

e)

Compare STR banding patterns

138.

Step 4 to creating a DNA profile

a)

Collect cells and extract DNA

b)

Amplify STR regions by PCR

c)

Cut out STR's

d)

Separate STR's

e)

Compare STR banding patterns

139.

Step 5 to creating a DNA profile

a)

Collect cells and extract DNA

b)

Amplify STR regions by PCR

c)

Cut out STR's

d)

Separate STR's

e)

Compare STR banding patterns

140.

Contains instructions to make a protein

(a)  

141.

Genes are found in chromosomes

a)

True

b)

False

142.

DNA to RNA

Occurs in the Nucleus

DNA reforms it's double helix

a)

Translation

b)

Transcription

143.

RNA to protein

Occurs in Cytoplasm

Assembles amino acid sequence of protein from mRNA

a)

Translation

b)

Transcription

144.

RNA has U instead of T.

U pairs with A

a)

True

b)

False

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