Biologist ______FINAL REVIEW GUIDE 2014
Your final will be on June _____ at ______in room ______.
Key Ideas to study
Step 1 - Highlight ALL concepts that you need extra help with.
Step 2 - MAKE FLASHCARDS for all concepts that you highlight.
MIDTERM (Chapter 1,2,3,4, and 7)
-Theory vs. Hypothesis
-Covalent/Ionic Bond
-pH
-Acid (> H+) /Base (> OH-)
-Carbon’s bonding ability
-Proteins/Lipids/Carbohydrates/Nucleic Acids
-Cell Theory
-Homeostasis
-ATP
-Autotrophs/Heterotrophs
-Photosynthesis and cell respiration equation
CHAPTER 10 CELL CYCLE
-Surface area : Volume
-Problems with cell growth
-Cell division
-G1, S and G2 Interphase
-Chromosome parts
-Stages of mitosis
-Cytokinesis (animals vs. plants)
-Cancer
-Differentiation
CHAPTER 11 GENETICS
-Alleles
-Gamete
-Gregor Mendel
-Homozygous (Pure)
-Heterozygous (Hybrid)
-Punnett Squares
-Probability
-Principle of independent assortment
-Principle of segregation
-Phenotype
-Genotype
-Codominance
-Incomplete dominance
-Genes and environment phenotype influence
-Diploid/Haploid
-Crossing over
-Meiosis
-Mitosis vs. meiosis
-Gene linkage/gene map
CHAPTER 12 DNA
-Griffith’s experiment
-Avery’s experiment
-Bacteriophage
-DNA
-Nucleotide
-Base pairing/Chargaff’s Rules
-Franklin
-Watson and Crick
-DNA replication
-DNA polymerase
-DNA location in prok/eukaryotes
CHAPTER 13 RNA
-RNA (mRNA, tRNA, rRNA)
-DNA vs. RNA
-Transcription
-Translation
-Codon/Anticodon
-Codon table
-Promoter
-Dogma – DNARNAProtein
-Genetic code read 3 letters
CHAPTER 16& 17-2 EVOLUTION
-Charles Darwin
-Galapagos Islands
-Hutton and Lyell
-Lamarck’s hypothesis
-Malthus’s theory
-Artificial selection
-Natural selection
-Struggle for existence
-Variation and Adaptation
-Survival of the fittest
-Biogeography
-Homologous/Analogous structures
-Vestigial structures
-Molecular evidence
-Grant’s hypothesis
-Genetic Drift
-Disruptive, Stabilizing, and Directional Selection
-Hardy-Weinberg Conditions for Genetic Equilibrium
STEP 3 - REVIEW
- What is a scientific theory?
- What is an acid? Number on pH scale?
- Why is carbon special?
- What is the function of a protein?
- What are the 3 parts of the cell theory?
- How is energy released from ATP?
- Who was Gregor Mendel?
- What is a genotype? Phenotype? Examples?
- What is the equation for cell respiration?
- What happens to the surface area and volume as a cell increases in size?
- What is cell division?
- Describe Interphase? What happens in G1, S, and G2?
- Draw a chromosome and label sister chromatids and the centromere.
- What are the phases of mitosis in order?
- What happens in each phase or mitosis?
- How does cell division in a plant cell differ from an animal cell?
- What regulates the cell cycle in a eukaryotic cell?
- What is differentiation?
- Why are stem cells important?
- What is complete dominance, incomplete dominance, and co dominance?
- What are dominant and recessive alleles?
- What is the principle of independent assortment?
- Traits are influenced by genes and the ______.
- The end result of meiosis is:
- When does crossing over occur?
- What are linked genes?
- Describe Griffiths conclusion.
- Describe Avery’s conclusion.
- What are the 3 parts of a nucleotide?
- What is the base pairing rule?
- What does DNA polymerase do?
- How is RNA different than DNA?
- What are the three types of RNA and what do they do?
- What is transcription?
- What is translation?
- What did Darwin discover?
- How did Hutton and Lyell help Darwin’s discoveries?
- What did Lamarck suggest?
- What is fitness?
- What is the theory of natural selection?
- Describe at least four pieces of evidence for Natural Selection (homologous, analogous, vestigial structures; DNA; Fossil Record; Grants Hypothesis, etc.)
- Describe Genetic Drift (Founder effect, bottle neck effect).
- Describe Directional, Stabilizing, and Disruptive Selection.
STEP 4 - QUIZ YOURSELF
Midterm Review
- How do scientific theories compare to hypothesis?
- Theories are the same as hypotheses
- Theories unify a broad range of observations and hypotheses
- Covalent bonds are formed when
- Electrons are transferred
- Electrons are shared
- A substance with a pH of 8 is called
- An acid
- A base
- Neutral
- Solutions with more OH- than H+ ions are
- Bases
- Acids
- Neutral
- Why is carbon so special compared with other elements?
- Carbon can bond to one another and form a lot of different structures
- Carbon atoms have four valence electrons and can form quadruple bonds
- What is one function of a protein?
- Control the rate of reactions
- Store and transmit genetic information
- What is an abiotic factor?
- Something non living
- Something living
- Energy is released form ATP when
- A phosphate group is added
- A phosphate group is removed
- Plants gather the sun’s energy with light absorbing molecules called
- Thylakoids
- Pigments
- What is the equation for cell respiration?
- Oxygen + glucose Carbon Dioxide + Water + Energy
- Carbon Dioxide + Water + Energy Oxygen + Glucose
Cell Division
- As a cell becomes larger, its
- Volume increases faster than its surface area
- Surface area increases faster than its volume
- The process by which a cell divides into two daughter cells is called
- Mitosis
- Meiosis
- When during the cell cycle are chromosomes visible?
- Only during interphase
- Only during cell division
- During which part of the cell cycle is a cell’s DNA replicated?
- G1
- S
- Which of the following represents the phases of mitosis in their proper sequence?
- Prophase, metaphase, anaphase, telophase
- Interphase, metaphase, anaphase, prophase
- During which phase of mitosis do the chromosomes line up along the middle of the cell?
- Anaphase
- Metaphase
- In eukaryotic cells, the timing of the cell cycle is regulated by
- Centrioles
- Cyclins
- One difference between cell division of a plant and animal cell is that plant cells have
- Cell plates
- Cleavage furrows
- Why are stem cells important?
- They have specialized DNA
- They have the potential to develop into other cells
- What is the role of spindle fibers during mitosis?
- They help separate the chromosomes
- They help to break down the nuclear membrane
Genetics
- Each gamete has how many alleles for one gene?
- One
- Two
- If a pea plant has a recessive allele for green peas, it will produce
- Green peas if it also has a dominant allele for yellow peas
- Green peas if it doesn’t also have a dominant allele for yellow peas
- What is an example of a hybrid genotype?
- PP
- Pp
- A tall plant (TT) is crossed with a short plant (Tt). Which of the following would be the outcome?
- The offspring can be tall or short
- The offspring will be of medium height
- A heterozygous tall pea plant is crossed with a short plant. The probability that the offspring will be tall is
- 25%
- 50%
- What principle states that during gamete formation genes for different traits separate without influencing each others inheritance?
- Principle of dominance
- Principle of independent assortment
- Roan cattle show codominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?
- It would be spotted.
- It would be pink.
- The artic fox is blue=gray in the summer and white in the winter. What most likely influenced this change?
- Genes and the environment
- The environment alone
- If an organisms diploid number is 12, its haploid number is
- 12
- 8
Meiosis
- Gametes are produced by the process of
- Mitosis
- Meiosis
- Chromosomes from tetrads during
- Prophase I of meiosis
- Metaphase I of meiosis
- What is formed at the end of meiosis?
- 4 genetically different haploid cells
- 4 genetically identical diploid cells
- Linked genes
- Are never separated
- Are on the same chromosomes
- The farther apart two genes are located on a chromosome, the
- Less likely they are to be inherited together.
- More likely they are to be inherited together.
- Which of the following assort independently?
- Chromosomes
- Linked genes
DNA
- Griffith called the process he observed transformation because
- The harmful bacteria had been transformed
- The harmless bacteria had been transformed
- What did Avery conclude caused transformation?
- DNA
- Protein
- What is inside a bacteriophage?
- Protein
- Nucleic acid
- In which cells is the accurate transmission of information most important?
- Sex cells
- Nerve cells
- Which of the following is a nucleotide found in DNA?
- Adenine, phosphate group, thymine
- Deoxyribose, phosphate group, polymerase
- Deoxyribose, phosphate group, cytosine
- Because of base pairing in DNA, the percentage of
- Adenine is equal to Guanine
- Adenine is equal to Thymine
- Adenine is equal to cytosine
- Which scientists made x-ray diffraction photos of DNA?
- Franklin
- Chargaff
- What is the chronological order of important discoveries in the structure of DNA?
- Franklin Chargaff Watson and Crick
- Franklin Watson and Crick Chargaff
- Watson and Crick discovered the two strands of DNA run in
- The same direction
- Opposite directions
- During DNA replication, a DNA strand that has the bases GGATTCGA produces a strand with bases
- CCUAAGCU
- CCTAAGCT
- Which enzyme adds complementary base pairs to DNA as replication occurs?
- DNA polymerase
- Nucleosomes
- In eukaryotes, DNA is located in
- The cytoplasm
- The nucleus
RNA
- How many types of RNA are there?
- 1
- 2
- 3
- Unlike DNA, RNA contains
- Deoxyribose
- Uracil
- Thymine
- T or F - RNA is usually double stranded
- T or F – tRNA brings the information in the genetic code from the nucleus to other parts of the cell.
- From which molecules are mRNA molecules transcribed?
- Proteins
- DNA
- tRNA
- What is produced during transcription?
- RNA
- Protein
- What is produced in translation?
- RNA
- Protein
- During eukaryotic transcription, an RNA molecules is formed that is
- Complementary to one strand of DNA
- Complementary to both strands of DNA
- A promoter is a
- Binding site for DNA polymerase
- Binding site for RNA polymerase
- During translation, the type of amino acid that is added to the growing polypeptide strand depends on the
- Codon of mRNA and anticodon of rRNA
- Codon of mRNA and the anticodon of tRNA
- Genes contain instructions for assembling
- Nucleosomes
- Proteins
- The correct sequence of the transfer of information in most organisms is
- RNA – DNA – Proteins
- DNA – RNA – Proteins
- Your genetic code is always read ___ letter at at time.
- 1
- 2
- 3
Evolution
- Darwin noticed that many organisms seemed well suited to
- Be preserved as fossils
- Survive in the environments in which they lived
- Based on the adaptations Charles Darwin observed in finches and tortoises in the Galapagos he wondered
- If species living on different islands had once been members of the same species
- If finches and tortoises had originated form the same ancestral species.
- Darwin’s observation that finches of different species on the Galapogos Islands have many similar physical characteristics supports the hypothesis that these finches
- Acquired traits through use and disuse
- Descended from a common ancestor
- Hutton and Lyell’s work was important to Darwin because these scientists
- Explained volcanoes and earthquakes
- Suggested that earth was old enough for evolution to have occurred.
- Which is a major concept included in Lamarck’s evolutionary hypothesis?
- Change is the result of survival of the fittest
- Body structures can change according to the actions of the organism
- According to Darwin’s theory of natural selection, individuals who survive are the ones best adapted to their environment. Their survival is due to the
- Possession of adaptations developed through use
- Possession of inherited adaptions that maximize fitness.
- Each of the following is a condition necessary for natural selection to occur EXCEPT
- More offspring are born than can survive
- Population size is very large
- Fitness varies among individuals
- There is heritable variation among members of the population
- Which statement is part of Darwin’s theory of evolution by natural selection?
- More offspring are produced than can possibly survive.
- The organisms that are the fittest are always largest and strongest.
- The number of offspring is not related to fitness
- Acquired characteristics that are inherited are the cause of evolution
- Biogeography is the study of
- Where species and their ancestors live
- How extinct species can be related to living species
- How animals that live in the same areas are closely related
- Modern sea star larvae resemble some primitive vertebrate larvae. This similarity may suggest that primitive vertebrates
- Share a common ancestor with sea stars
- Evolved from sea stars
- Molecular evidence in support of natural selection includes
- The presence of vestigial structures
- The nearly universal genetic code