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Semester Two

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The electrons in photosystem II are replaced by what?
Water
What is the enzyme that speeds up the initial reaction in the Calvin Cycle?
Rubisco
How many molecules of ATP are produced during glycosis for each glucose molecule?
2
Chlorophyll absorbs what kind of light?
Red and blue
What are the three steps of cellular respiration?
1)Glycolysis
2)Krebs Cycle
3)Electron Transport Chain
In what part of the cell does glycolysis take place?
Cytoplasm
How many molecules of ATP are produced during the electron transport chain process for each molecule of glucose?
32
The electrons from photosystem I are replaced by what?
Electrons from photosystem II
What is the formula for photosynthesis?
6CO2 + 6H2O (yields to with light) C6H12O6 + 6O2

aka

carbon dioxide and water, with light, yield to glucose and oxygen
What is the formula for cellular respiration?
6O2 + C6H12O6 (yields to) 6CO2 + 6H2O + ATP energy

aka

oxygen and glucose yield to carbon dioxide, water, and ATP energy
What does ATP stand for?
Adenosine triphosphate
What are the biproducts of photosynthesis and cellular respiration?
Photosynthesis—oxygen
Cellular respiration—glucose
What is produced in the dark reactions of photosynthesis?
PGAL
Energy production in the absence of oxygen is known as what?
Fermentation
Where does the Krebs Cycle take place?
Mitochondrial matrix
What are the two types of fermentation?
1)lactic acid
2)alcoholic
Which type of fermentation produces carbon dioxide?
Alcoholic fermentation
What color is reflected by chlorophyll?
Green
What is the enzyme through which hydrogen ions diffuse in electron transport?
ATP Synthase
What are the four processes of light reactions?
1)light absorbtion
2)electron transport
3)oxygen production
4)ATP formation
On what chapter where the preceding questions?
6
DNA is what kind of monomer of the four basic macromolecules?
Nucleic Acid
What is the process of changing one strain of bacteria to another called?
Transformation
What makes up a nucleotide of DNA?
Phosphate, deoxyribose, and thymine
The coded information in DNA determines the formation of what?
Polypeptides (Proteins)
What is the organelle ot which mRNA attaches?
Ribosomes
What is the shape of a DNA molecule?
Double helix
What is the process by which a strand of DNA is turned into an mRNA strand called?
Transcription
What is the bond between the based pairs of DNA called?
Hydrogen bonds
What is the process by which the mRNA is made into a polypeptide chain called?
Translation
What is the start codon?
AUG
If the code for an amino acid is ATG on the DNA molecule, the anticodon on the tRNA molecule is what?
AUG
During replication of DNA, bonds are broken between what?
Nitrogenous bases
What is the mRNA sequence that would be transcribed from the following strand of DNA?
T-A-C-A-A-G-T-G-C-T-T-G-T-T-T-C
A-U-G-U-U-C-A-C-G-U-U-C-A-A-A-G
A cell has 36 chromosomes. How many chromosomes will each daughter cell have?
36
What is the structure that is found in plant cell division that is not found in animal cell division?
Cell Plate
What is uncontrolled cell division known as?
Cancer
What is each half of a chromosome called?
Chromatid
What are the proteins around which the DNA double helix is wrapped around called?
Histones
What is the area at which two sister chromatids are joined called?
Centromere
Together DNA and proteins form bead-like structures called what?
Nucleosomes
Organisms that have two identical alleles for a particular train are said to be what?
Homozygous
Mendel's 'P' generation was composed of what?
Purebreds
The phenotypic ratio in offspring resulting from the cross Tt x Tt is what?
3:1
What was the phenotypic ratio om the F2 generation of Mendel's dihybrid cross?
9:3:3:1
What are heterozygous organisms?
Organisms that have two different alleles for a single trait.
What is the probability that a coin comes up tails five consecutive flips?
1/32
What are genotypes and phenotypes?
Genotype-organism's genetic makeup
Phenotype-organism's physical appearance
What are the genotypic and phenotipic ratios in a cross between two heterozygous organisms?
Genotypic-1:2:1
Phenotypic-3:1
A cell with a diploid number of 72 creates gametes with a haploid number of _____
36
What is a pair of homologous chromosomes in meiosis I called?
Tetrad
What is the condition in which both alleles for a gene are expressed called?
Codominance
What are inheritable mutations called?
Germ mutations
A mutation that involves the loss of a part of a chromosome is called what?
Deletion
What is a translocation?
A mutation in which part of a chromosome breaks off and attached so another nonhomologous chromosome
When does crossing over occur?
During meiosis I
What is crossing over?
The exchange of genetic material between homologous chromosomes
How many chromosomes are in a haploid, diploid, and gamete human cell?
Haploid-23
Diploid-46
Gamete-23
What is polygenic inheritance?
A condition in which multiple genes code for a single trait
What is a frameshift mutation?
A mutation in which a single nucleotide is removed or added
Sister chromatids separate during which phase of meiosis?
Meiosis II
Traits and behaviors that allow and organism to survive and reproduce increase an organism's _____
Fitness
What is a change in species over time called?
Evolution
A bat's wing and a dolphin's fin are examples of what?
Homologous structures
Fitness arises through a process called what?
Adaptation
What is the term for dating fossils based on their position in different rock layers?
Relative Dating
The geologist that was a major influence on Darwin's work was who?
Lyell
What does HMS stand for?
Her Majesty's Service
What is the group of genes that determines the position of body organs in vertebrates called?
Hox Cluster
How old is the Earth? (Approx.)
4.5 Billion years
What is common descent?
Darwin's idea that all living things share a common ancestor
What does Uranium-238 decay into?
Lead-206
What does Carbon-14 decay into?
Nitrogen-14
What is a species?
A group of similar looking organisms that breed with ine another and produce fertile offspring
The evolution of Darwin's finches is an example of what?
Adaptive radiation
Divergent evolution is also known as what?
Adaptive radiation
Is genetic drift random?
Yesh
Evolution does not occur unless something upsets a population's what?
Genetic equilibrium
Natural selection is also known as what?
Survival and reproduction of the fittest
Analogous structures evolve as a result of what?
Convergent evolution
What is a gene pool?
The collection of all the genes in a population
The process by which a new species evolves is called what?
Speciation
From what does reproductive isolation result?
1)Geographic barriers
2)Differences in courtship behaviors
3)Differences in fertile periods
What is relative frequency?
The number of times an allele of a gene occurs in a gene pool as compared with different alleles of the same gene
Genetic drift is most effective on what kind of population?
Small
A bat's wing and a butteerfly's wing are examples of what?
Analogous structures
A change in allele frequencies over time is called what?
Evolution
What is a fairly stable collection of organisms occupyig and ecosystem called?
Climax community
What are the initial inhabitants of a new ecosystem called?
Pioneer species
The group that occupies the top of the energy pyramid is what group?
Consumers
Feeding relationships in an ecosystem are best described by what?
Food webs
Plants and photosynthetic bacteria would be considered what?
Producers
What are all the land biomes? Water biomes?
Land:
1)Tundra
2)Taiga
3)Temperate deciduous forest
4)Grassland
5)Tropical rain forest
6)Desert
Water:
1)Freshwater
2)Marine
3)Estuaries
What are the four regions of hte marine biome?
1)Neritic
2)Deep Sea
3)Open sea
4)Intertidal
Are you going to pass this exam with flying colors?
YESSSSSSSS!!!!!!!!

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