Conestoga High School

NAME ______

Conestoga High School

Accelerated Biology

Final Exam

Test Date: Tuesday, June 14th @ 9:30 AM

Room Number: ______

Format: There are two parts to the exam – a multiple choice section and a free response section.

q  Part I: 100 Multiple Choice Questions – distributed as follows:

Unit / % of Questions / Chapters / # of Questions
Genetics / 6% / 7: Extending Mendelian Genetics / 6
DNA / 29% / 8: From DNA to Proteins / 29
9: Frontiers of Biotechnology
Evolution / 17% / 10: Principles of Evolution / 17
11: The Evolution of Populations
Ecology / 40% / 13: Principles of Ecology / 40
14: Interactions in Ecosystems
15: The Biosphere
16: Humans Impact on Ecosystems
Taxonomy/Survey of Kingdoms / 8% / 17: The Tree of Life / 8

TOTAL # OF MULTIPLE CHOICE QUESTIONS 100

q  Part II: 50 Free Response Questions (very short - words or 1-2 sentences)

UNIT 1 – GENETICS

Terms to Know:

Dominant –

Recessive –

Genotype –

Phenotype –

Heterozygous –

Homozygous –

Sex chromosomes –

Sex linked traits –

Incomplete dominance –

Co-dominance (and give example) –

Polygenic Trait (and give example) –

1.  Fill in the following chart on blood types:

Phenotypes / Genotypes
Type A
Type B
Type AB
Type O

2.  A woman of blood type A marries a man of blood type B. Is it possible for them to have a child with type O blood? ______

Explain by showing the cross below:

3.  Who displays sex-linked disorders more frequently, males or females? ______

Why?

UNIT 2 – DNA

4.  What is the function of DNA?

5.  What are the three parts of a nucleotide? Which part gives the nucleotide its name?

6.  Which bases get paired? ______

7.  Who discovered the double-helix nature of the DNA molecule? ______

8.  Complete the chart below that compares DNA to RNA:

Characteristic / DNA / RNA
# of strands
Sugar
Bases
Types
Where found in cell

The following questions refer to the following sequence of mRNA: UUUGCGCCCACU

9.  What would the DNA sequence be that this mRNA was made from?

10.  Using the table on page 230 of your textbook – what series of amino acids would be encoded by the mRNA below?

UUU - GCG - CCC - ACU (from above)

11.  Each triplet that codes for an amino acid is called a ______

12.  What cell organelle moves along the mRNA during translation? ______

13.  Complete the following chart that compares the two phases of protein synthesis:

Transcription / Translation
Definition
Where it occurs
DNA involved? (Yes/no)

Terms to Know:

Genetic engineering –

Genome –

DNA Fingerprint –

Restriction Enzymes –

Plasmids –

Recombinant DNA –

Cloning –

14.  Briefly outline the steps that use recombinant DNA to produce a useful protein like insulin:

15.  Briefly explain how gene therapy works.

16.  Briefly explain how gel electrophoresis can be used to create a DNA fingerprint.

UNIT 3 – EVOLUTION

Terms to Know:

Darwin –

Fitness –

Adaptation –

Natural selection –

Homologous structures vs analogous structures –

Vestigial structures (and give examples) –

Genetic drift –

Species –

Geographic isolation –

17.  Why must organisms compete for resources?

18.  How can similar anatomical features (homologous structures) give evidence of evolution?

19.  What can be learned by comparing DNA sequences (or amino acid sequences of proteins) of different species?

20.  Explain the differences between stabilizing, disruptive, and directional selection. Use graphs to help you answer the question.

21.  What determines whether a new allele (from a mutation) increases its frequency in a population?

UNIT 4 – ECOLOGY

Terms to Know:

Ecology –

Population –

Community –

Ecosystem –

Habitat –

Niche –

Producers vs Consumers –

Herbivores vs Carnivores vs Omnivores –

Food chain vs Food web –

Symbiosis –

Limiting factors –

Carrying capacity –

Succession –

Desertification –

Species diversity –

Ecological footprint –

22.  What are the major processes of the water cycle and how are they related? (a diagram may help)

23.  What are the major processes of the carbon cycle and how are they related? (a diagram may help)

24.  How can humans affect the carbon cycle?

25.  What organisms carry out nitrogen fixation?

26.  List and describe the three kinds of symbiotic relationships that can occur in an ecosystem

27.  What factors play a role in population growth rate?

28.  Explain the difference between logistic and exponential growth. Include graphs.

29.  Explain the difference and give examples of density-dependent vs. density-independent limiting factors.

30.  Explain the difference and give examples of renewable vs non-renewable resources.

31.  What is the effect of CFC’s in the atmosphere?

32.  What is the greenhouse effect?

33.  What is the goal of sustainable development?

34.  Why is biodiversity important? What are some threats to it?

UNIT 5 – TAXONOMY/SURVEY OF KINGDOMS

35.  Explain how binomial nomenclature works.

36.  List the levels of biological hierarchy from kingdom to species.

37.  Complete the following chart that compares the kingdoms of life

Kingdom / Pro/Eukaryote? / Uni/Multicellular? / Autotroph/Heterotroph? / Cell wall contains
Archaea
Eubacteria
Protista
Fungi
Plantae
Animalia