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BIOLOGY KEYSTONE Jeopardy. Final Jeopardy. DNA. Final Jeopardy. A= 30 G= 20 C= 20. If I am examining a gene and I find that the gene is 30% Thymine, how much of the other 3 bases are their?. $200. c.
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Final Jeopardy DNA
Final Jeopardy A= 30 G= 20 C= 20 If I am examining a gene and I find that the gene is 30% Thymine, how much of the other 3 bases are their?
$200 c • Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. • Which of these was most likely used to affirm this scientific idea? • formulate a hypothesis • identify the problem • conduct an experiment • write a conclusion
$400 Introducing bias Several students are conducting an experiment to test the effect of exercise on heart rate. The students decide to ignore any results that were too far above or below their prediction. They repeat these trials until a value closer to their prediction is obtained. The students’ decision to ignore data and repeat trials affects the experiment by
$600 Which soap is most effective in killing bacteria? A student washes her hands with antibacterial soap and water. Then she touches the agar in a petri dish with her thumb. The agar contains nutrients that support the growth of bacteria. Other students repeat the procedure after washing their hands with three different kinds of antibacterial soap. The petri dishes are kept warm overnight to allow bacteria to grow. The next day the students count the number of bacterial colonies in each dish. What question were the scientists trying to answer?
$800 the movement of the submarine Scientists are developing a microscopic submarine to deliver medicine to sites within the body. A biomotor that uses bacteria would move the submarine. The scientists are experimenting with several species of bacteria to find which one works best in the biomotor. What is the dependent variable in the scientists' experiment?
$1000 the effectiveness of the fertilizer used on the plants A group of students conducted an experiment to study the growth of bean plants. They used two pots labeled “A” and “B.” Each pot contained 20 small bean plants of similar height. All the plants were treated alike except for the solution they received. Each day for five days, the plants in Pot A were given 40 milliliters of distilled water, while the plants in Pot B were given 40 milliliters of distilled water containing one gram of fertilizer. The table below shows the average height of the plants in each pot for each day of the experiment. What is being tested in this experiment?
$200 Cold- slows Heat- speed increases What does temperature do to reaction rate?
$400 They are the main structural components of membranes. What is the role of lipids in the cell?
$600 Enzymes What molecules control/regulate the reaction rates? (such as photosynthesis or replication)
$800 The chart below is the nutrition facts found on a bag of pretzels. What equation could be used to determine the number of pretzels in a 100-Calorie serving?
$1000 Carbohydrate Nucleic Acid What two biological molecules are shown?
$200 Difflugia A student used a microscope to observe several protists. The student sketched the protists and recorded their magnifications. The drawings and measurements are shown below. Which of these protists is the largest?
$400 The sac will be blue b/c iodine has penetrated the semi permeable membrane of the dialysis tube Starch turns blue-black in the presence of iodine solution. A selectively permeable dialysis sac containing a starch solution is placed into a beaker of iodine solution. If the dialysis sac is permeable only to water and iodine, what will the solutions in the beaker and the sac look like after two hours?
$600 Shrink Many bacteria live in fresh water. What will happen when freshwater bacterial cells are placed in salt water?
$800 Chloroplasts, cell wall, and vacuoles What organelles does a plant cell have that an animal cell does not?
$1000 What are the functions of the: Endocrine system Nervous System Circulatory System Excretory System Produce hormones for chemical signaling Sends messages around the body Transports material (waste and nutrients) Gets rid or waste
$200 The sun What provides the energy required for photosynthesis ?
$400 chlorophyll The chloroplast performs photosynthesis by capturing sunlight with what molecule?
$600 6CO2 + 6H20 C6H12O6 + 6O2 What is the equation for photosynthesis?
$800 Chemosynthesis Organisms that live in the deep ocean where no light reaches can make sugars from inorganic compounds. What is this called?
$1000 Limited light In what conditions would a venus fly trap stop photosynthesizing and only eat bugs?
$200 energy Cyanide is a poison that prevents mitochondria from using oxygen. As a result, the mitochondria cannot produce
$400 Plants make sugars through photosynthesis, but they must cellularly respire using their mitochondria to break those sugars down into useable energy Why do plants need mitochondria?
$600 6O2 + C6H12O6 6CO2 + 6H2O What is the equation for respiration?
$800 Adenine Triphosphate (ATP) The products of respiration are water, carbon dioxide, and what high energy molecule?
$1000 Decomp- removes; respiration- adds; photo.- removes; burning- adds Discuss the following four terms and whether or not they remove or add carbon to the atmosphere: decomposition, respiration, photosynthesis, and burning of fossil fuels
$200 microscope A student wants to examine chromosomes from animal cells. Which of these would be the best tool for the student to use? telescope Microscope Centrifuge Graduated cylinder
$400 Light Intensity What is the IV?
Scientists wanted to study the effect of water temperature on the swimming speed of goldfish. They set up an experiment in which they raised populations of goldfish in two different aquariums. Population 1 was raised at 5°C. Population 2 was raised at 25°C. All other variables were constant in both aquariums. The results of this experiment are shown in the graph below. • According to the graph, both populations of goldfish swim at the same speed at which of these temperatures? $600 ~17
$800 Heart rate • Several students are conducting an experiment to test the effect of exercise on heart rate. Students do 20 sit-ups in one minute of exercise. The data chart below shows the heart rate at one-minute intervals for each student. • What is the dependent variable?
$1000 Carb-monosaccharide; Lipid- glycerol and fatty acids Nucleic Acid- nucleotide; Proteins- Amino Acids List the 4 biological molecules and their monomers
$400 meiosis The largest flower in the world, called a rafflesia, is three feet wide and weighs up to 36 pounds. The rafflesia has no roots, stems, or leaves. It lives on and takes nourishment from a vine called tetrastigma. The rafflesia harms the vine. The seeds of the rafflesia are dispersed in an unusual way. Plantain squirrels and tree shrews eat parts of the rafflesia plant. Scientists observe that when the animals chew the rafflesia, seeds get caught in their teeth. The animals will then chew on tetrastigma vines, leaving the seeds where they can germinate. Specialized cells in the rafflesia flowers undergo a process that produces gametes. What is this process called?
$800 2nn diploid to haploid The chromosome number is halved Use the words haploid and diploid to describe a cell before and after meiosis
$1200 3:1 – two heterozygous 2:2- one heterozygous and one homozygous recessive What cross produces a 3:1 ratio? How about a 2:2 ratio?
$1600 Sex linked diseases are recessive and carried on the X chromosome. Men only have one X (they are XY) so they do not have a second X to carry an allele to block a recessive allele Why are men more likely to inherit a sex linked disorder?
$2000 II-2 rr; III-2 Rr; III-2 Rr If shading stands for a recessive trait what must the genotypes of II-2, III-1 and III-2 be?
$400 Binary fission is how bacteria reproduce as well as a few other single celled organisms. Binary fission is a type of asexual reproduction that is very simple. A cell grows in size, duplicates it DNA, and divides. What is binary fission?
$800 Uncontrolled mitosis What is cancer?
$1200 1 parent, identical, full set of chromosomes (same number as parent) Describe the following about the products of asexual reproduction: # of parents; unique or identical; chromosome number
$1600 Replicate: TGG GCA ACT Transcribe: UGG GCA ACU Replicate the following DNA strand: ACC CGT TGA Now transcribe it.
$2000 Crossing over during prophase Why are our gametes all unique? What happens during meiosis that makes them all different?
$400 A mutation resulting in a new protein and a new trait What happens when one nitrogen base codes incorrectly?
$800 Cutting a gene that codes for a desired trait from one organism and placing it into the genetic sequence of another organism What is gene splicing? Recombinant DNA? Transgenic Organisms? (these are all synonyms, but what are they?)
$1200 Cuts it, separates it and allows it to be analyzed Makes a DNA FINGERPRINT What does gel electrophoresis do to a segment of DNA
$1600 Take the nucleus from a body cell and put it into an egg cell that’s nucleus has been removed. Fuse the two cells together. Allow embryo to develop in a test tube until ready. Implant into foster mother. When born offspring will be genetically IDENTICAL to the donor of the original nucleus from the body cell Describe the process of cloning.
$2000 Genes are not contagious Why shouldn’t scientists worry about becoming resistant to insects while making a genetically modified plant that is pest resistant?
