Alex Trebeck
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Transcript of Alex Trebeck
Alex Trebeck
Cells(Structure, function, Membranes, different
Types)
Photosynthesis
Respiration
Molecular Genetics
Evolution &
Classification
Plant Systems
Cells
$100
Photosynthesis RespirationCell
DivisionMolecularGenetics
Evolution&
Classification
Double Jeopardy!
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Cells
$100
The wall of a fungus cell is composed of?
Cells
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Chitin
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If a plant cell is placed into pure water what
will occur?
Cells
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Water will flow into the cell because the
water potential inside the cell is lower than it is outside the cell
Cells
$300
The Modern Cell Theory states?
Cells
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• All living things are composed of cells
• Cells are the basic unit of all organisms
• All cells arise from preexisting cells
Cells
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The 3 functions of the Smooth E.R are?
Cells
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1. Assists in the synthesis of steroid hormones and other lipids
2. Connects rough E.R to the Golgi apparatus
3. Carries out various detoxification processes
Cells
$500
The cytoplasmic channels between
plant cells are called?
Cells
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Plasmodesmata
Cells
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What are the 2 main processes of
photosynthesis?
Photosynthesis
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1. The light-dependent (light reactions)
2. Light-independent reactions
Photosynthesis
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To power the production of sugar, the Calvin cycle
uses ATP formed during…?
Photosynthesis
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The light reactions
Photosynthesis
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Where in the cell is ATP-synthase located?
Photosynthesis
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In the thylakoid membrane of the
choloraplast and in the cristae membrane
of the mitochondria
Photosynthesis
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How many turns of the Calvin cycle are
required to produce on molecule of
glucose?
Photosynthesis
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6
Photosynthesis
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Cyclic photophosphorylation
results in the production of?
Photosynthesis
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ATP
Photosynthesis
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Most energy during cell respiration is
harvested during?
Respiration
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Chemiosmosis or oxidative
phosphorylation during the electron
transport chain.
Respiration
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ATP produced during fermentation is generated by?
Respiration
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Substrate level phosphorylation
Respiration
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What is the enzyme that catalyzes the 3rd
step in Glycolysis?
Respiration
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Phosphofructokinase (PFK), an
allosteric enzyme that inhibits glycolysis when the cell has enough ATP and does not need to produce anymore.
Respiration
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What are the two types of anaerobes? Describe them.
Respiration
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1. Facultative anaerobes- can tolerate the presence of oxygen
2. Obligate anaerobes- cannot live in an environment containing oxygen
Respiration
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Oxidative Phosphorylation is powered by…?
Respiration
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The redox reactions of the electron transport
chain
Respiration
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If a cell has 28 chromosomes at the beginning of meiosis, how
many chromosomes will it have at the end of meiosis?
Cell Division
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14
Cell Division
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The synaptonemal complex forms
during?
Cell Division
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Prophase I of meiosis
Cell Division
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When do homologous chromosomes
separate?
Cell Division
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During Anaphase I of meiosis
Cell Division
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What 2 important factors limit cell size
and promote cell division?
Cell Division
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1. The ratio of the volume of a cell to the surface
area2. The capacity of the
nucleus to control the entire cell
Cell Division
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Interphase consists of ___,____, and ____.
More than __% of the life of a cell is spent in interphase
Cell Division
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G1 ,S , and G2
o The G1 phase is a period of intense growth and biochemical activity
o The S stands for the synthesis or replication of DNAo G2 is the phase when the cell continues to grow and to complete preparations for cell
division
90%
Cell Division
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What type of chemical bonds are found between the nitrogenous bases in a
molecule of DNA?
Molecular Genetics
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Hydrogen bonds
Molecular Genetics
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Where are genes located?
Molecular Genetics
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On the chromosome
Molecular Genetics
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In 1927, Griffith discovered that bacteria have the ability to transform harmless cells
into virulent ones by transferring some genetic factor from one bacteria cell to another. This phenomenon is known as?
What is the experiment known as?
Molecular Genetics
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The phenomenon is known as bacterial transformation and the experiment is known as
the transformation experiment.
Molecular Genetics
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DNA consists of?
Molecular Genetics
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5-carbon sugar(deoxyribose), a
phosphate, and a nitrogen base.
Molecular Genetics
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There are four nitrogenous bases: adenine, thymine,
cytosine, and guanine, which ones are purines and which
ones are pyrimidines?
Molecular Genetics
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Adenine and Guanine are purines
Thymine and cytosine are pyrimidines
Molecular Genetics
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The only taxon that actually exists as a
natural unit is?
Evolution & Classification
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Species
Evolution & Classification
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What is the difference between Radial Symmetry and
Bilateral Symmetry?
Evolution & Classification
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Radial symmetry is when several planes can pass through the long axis and divide the animal into similar parts such as the hydra but if only one plane can bisect the animal into left and right
halves then the symmetry is bilateral.
Evolution & Classification
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In the Hardy-Weinberg equation the dominant trait is represented by?
Evolution & Classification
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p
Evolution & Classification
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The first cells on earth were?
Evolution & Classification
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Anaerobic heterotrophic prokaryotes
Evolution & Classification
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Who developed the theory of endosymbiosis and what is
endosymbiosis?
Evolution & Classification
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Lynn Margulis developed the theory of endosymbiosis which states that mitochondria
and choloroplasts were once free-living prokaryotes that took up residence inside larger
prokaryotic cells.
Evolution & Classification
DoubleJeopardy!!!
Alex Trebeck
Plant Systems
Animal Systems
Ecology
Labs
Biotechnology
Things we didn’tCover! (:
Plant Systems
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AnimalSystems Ecology Labs Biotechnology
Thingswe didn’t Cover! (:
Final Jeopardy!
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What tissue makes up most of the wood of a
tree?
Plant Systems
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Secondary xylem
Plant Systems
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What causes the stomatas to close?
Plant Systems
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An increase in abscisic acid in the guard cells
Plant Systems
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If someone wanted to observe the process of mitosis in plant roots
than they should examine the plant’s…?
Plant Systems
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Meristem tissue
Plant Systems
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What are the most widespread seedless
tracheophytes?
Plant Systems
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The ferns
Plant Systems
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What is the difference between megaspores and microspores.
Plant Systems
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Megaspores develop into male gametophytes while
microspores develop into female gametophytes.
Plant Systems
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B lymphocytes produce?
Animal Systems
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Antibodies
Animal Systems
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B lymphocytes and t lymphocytes originate where? B lymphocytes mature where?
Where do T lymphocytes mature?
Animal Systems
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They originate in the bone marrow. B lymphocytes
mature in the bone marrow and T lymphocytes mature
in the thymus gland.
Animal Systems
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Absorption of nutrients occurs in?
Animal Systems
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The latter part of the small intestine
Animal Systems
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Gastric enzyme works best at a pH of?
Animal Systems
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2
Animal Systems
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What are four types of asexual reproduction?
Animal Systems
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1. Fission~ The separation of an organism into two new cells2. Budding~ the splitting off of new individuals from existing
ones3. Fragmentation & regeneration~ when a single parent breaks
into parts that regenerate into new individuals4. Parthenogenesis ~ the development of an egg without
fertilization and the resulting adult is haploid
Animal Systems
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What are 5 properties of populations?
Ecology
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1. Size2. Density
3. Dispersion4. Survivorship Curves
5. Age structure
Ecology
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What are 4 characteristics of r-
strategists?
Ecology
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1. Many young2. Reproduce once
3. Little or no parenting4. Rapid maturation
Ecology
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What are 4 characteristics of K-
strategists?
Ecology
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1. Few young2. Intensive parenting
3. Slow maturation4. Reproduce many
times
Ecology
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Which trophic level do cows belong in?
Ecology
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Primary consumers
Ecology
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Acid rain is mainly caused by which pollutants in the air?
Ecology
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Nitrogen and sulfur
Ecology
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What is the theory of transpirational
pullcohesion tension?
Labs
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It explains that as one molecule of water evaporates from a leaf, one
molecule of water is pulled into the plant through the roots.
Labs
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States that there is no significant difference
between the observed and expected data.
Labs
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Null hypothesis
Labs
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The Hardy-Weinburg equation enables us
to?
Labs
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Calculate the frequencies of alleles
in the population
Labs
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If 2 of the bands on an electrophoresis gel have
almost the same base pair size then how could one
separate them?
Labs
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Run them in a gel that is more concentrated.
Labs
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The Q10 effect refers to?
Labs
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Body temperature
Labs
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What does “Beads on a String” refer to?
Biotechnology
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Nucleosomes
Biotechnology
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What are Multigene families?Biotechnology
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Identical or similar genes that have evolved by gene
duplication
Biotechnology
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Why do scientists employ an expression
vector?
Biotechnology
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To overcome differences in
promoters and other DNA control sequences
Biotechnology
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How many genes do humans have?
Biotechnology
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25,000
Biotechnology
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What are SNPs?
Biotechnology
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Single nucleotide polymorphisms are single base-pair variations in the genome usually detected by
sequencing
Biotechnology
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The inner series of membranes of the mitochondria are
called?
Things we didn’t cover! (:
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Cristae
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$400
What is the approximate size of a human red blood cell?
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8 micrometers or 80 nanometers (nm)
Things we didn’t cover! (:
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What is X-ray crystallography?
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A technique used to determine the three-dimensional structure
of a molecule
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What are replication bubbles?
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There are thousands of them along the DNA molecule and they
speed up the process of replication
Things we didn’t cover! (:
$1000
Specialized cells of Bowman’s capsule are modified into ____,
which along with slit pores, increase the rate of filtration.
Things we didn’t cover! (:
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podocytes
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FinalJeopardy!!!
Alex Trebeck
The Bohr effect on the oxyhemoglobin dissociation curve is produced directly by
changes in?
Final Jeopardy!!!
pH
Final Jeopardy!!!