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Week 3 – Day 1 1 OBJ 1 2 OBJ 1 • When can gas bubbles be made? • The gas bubbles are what? 3 OBJ 1 • When can gas bubbles be made? (PHOTOSYNTHESIS – when plant has a light) • The gas bubbles are what? 4 OBJ 1 • When can gas bubbles be made? (PHOTOSYNTHESIS – when plant has a light) • The gas bubbles are what? (OXYGEN) 5 OBJ 1 • What part of the microscope should be used to adjust the amount of light illuminating a prepared slide? A) Eyepiece B) Rotating nosepiece C) Diaphragm D) Coarse-focus knob 6 OBJ 1 • What part of the microscope should be used to adjust the amount of light illuminating a prepared slide? A) Eyepiece B) Rotating nosepiece C) Diaphragm D) Coarse-focus knob 7 OBJ 1 • WHAT IS AN INFERENCE? 8 OBJ 1 • WHAT IS AN INFERENCE? BUZZ WORDS IT ISN’T A FACT IT IS AN ASSUMPTION (a guess) LOOKS LIKE IT IS AFFECTED BY SEEMS TO BE ASSOCIATED WITH SEEMS TO BE LINKED 9 OBJ 1 10 OBJ 1 11 OBJ 1 12 OBJ 2 Part of a DNA strand is represented in the diagram above. In order for DNA to replicate, the strand must separate at which of the following locations? F) Between every phosphatesugar pair G) Between the eight sugarbase pairs H) Between the four nitrogenous base pairs J) Between any two chemical bonds 13 OBJ 2 Part of a DNA strand is represented in the diagram above. In order for DNA to replicate, the strand must separate at which of the following locations? Between the four nitrogenous base pairs 14 OBJ 2 Part of a DNA strand is represented in the diagram above. In order for DNA to replicate, the strand must separate at which of the following locations? Between the four nitrogenous base pairs 15 OBJ 2 Part of a DNA strand is represented in the diagram above. In order for DNA to replicate, the strand must separate at which of the following locations? Between the four nitrogenous base pairs 16 OBJ 2 17 OBJ 2 Which of the following is best supported by the information above? A) Mutations located on chromosome 17 will result in cancer. B) Cancerous growth will cause a mutation in some BRCA1 alleles. C) Mutated BRCA1 alleles are only one factor involved in cancer. D) Women with a mutant allele of BRCA1 will develop cancer. 18 ABSOLUTES • ALBSOLUTES like WILL and ALWAYS…….usually are the __________ ANSWER 19 ABSOLUTES • ALBSOLUTES like WILL and ALWAYS…….usually are the WRONG ANSWER 20 OBJ 2 The swordfish has a heat-generating organ that warms its brain and eyes up to 14°C above the surrounding water temperature. What structures are likely to be found in relatively high concentrations in the cells of this organ? A) Chromosomes B) Mitochondria C) Nuclei D) Ribosomes 21 OBJ 2 The swordfish has a heat-generating organ that warms its brain and eyes up to 14°C above the surrounding water temperature. What structures are likely to be found in relatively high concentrations in the cells of this organ? A) Chromosomes B) Mitochondria C) Nuclei D) Ribosomes 22 OBJ 2 23 OBJ 2 The diagram shows cell division in which an error has occurred. Which of these statements is most accurate? A) Cell A lacks the cytoplasm B) Cell B contains enough genetic material for the cell to reproduce itself. C) Cell A is free of any mutation D) Cell B lacks instructions for making the proteins 24 OBJ 2 The diagram shows cell division in which an error has occurred. Which of these statements is most accurate? A) Cell A lacks the cytoplasm B) Cell B contains enough genetic material for the cell to reproduce itself. C) Cell A is free of any mutation D) Cell B lacks instructions for making the proteins 25 OBJ 2 The diagram shows cell division in which an error has occurred. Which of these statements is most accurate? A) Cell A lacks the cytoplasm B) Cell B contains enough genetic material for the cell to reproduce itself. C) Cell A is free of any mutation D) Cell B lacks instructions for making the proteins 26 OBJ 2 A change within a single base pair in DNA is LEAST LIKELY to be observable if the change affects — A) the production of a stop codon B) an unexpressed recessive trait C) actions of a codominant allele D) the expression of a sex-linked trait 27 OBJ 2 A change within a single base pair in DNA is LEAST LIKELY to be observable if the change affects — A) the production of a stop codon B) an unexpressed recessive trait C) actions of a codominant allele D) the expression of a sex-linked trait 28 OBJ 2 A change within a single base pair in DNA is MOST LIKELY to be observable if the change affects — 29 OBJ 2 A change within a single base pair in DNA is MOST LIKELY to be observable if the change affects — DOMINANT TRAIT ……..(the big letters) 30 OBJ 3 31 OBJ 3 After the bird eats it a few times and it tastes YUCKY since it ate the YUCKY plant…….wha t will the bird think every time it sees it? 32 OBJ 3 Birds associate the bug’s color with the bad taste. 33 OBJ 3 According to the information in the box, which of these best describes the relationship between rhizobia and bean plants? 34 OBJ 3 According to the information in the box, which of these best describes the relationship between rhizobia and bean plants? BOTH BENEFIT = MUTUALISM 35 OBJ 3 • The diagram represents different levels of a • marine food pyramid. Between which two • levels is the greatest amount of energy • transferred? WHY? • A) R and Q • B) S and R • C) T and S • D) U and T 36 OBJ 3 The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred? WHY? • D) U and T • BOTTOM HAS THE MOST ENERGY SINCE PRODUCERS GIVE USE ALL THE ENERGY IN THE SYSTEM 37 OBJ 3 The diagram above represents a pyramid of biomass. Which of the following best explains why a pyramid shape is useful in this representation? A) Most of the food consumed is recycled at every trophic level. B) Energy from the producers is equally distributed in all trophic levels. C) Decomposers receive a small amount of energy from the biomass. D) Each trophic level supports a lesser amount of biomass. 38 OBJ 3 The diagram above represents a pyramid of biomass. Which of the following best explains why a pyramid shape is useful in this representation? A) Most of the food consumed is recycled at every trophic level. B) Energy from the producers is equally distributed in all trophic levels. C) Decomposers receive a small amount of energy from the biomass. D) Each trophic level supports a lesser amount of biomass. 39 OBJ 4 Limestone is a sedimentary rock consisting mostly of calcium carbonate (CaCO3). Which process is most likely to cause a chemical change to limestone? F) Freezing water cracking limestone G) Flowing water eroding a limestone riverbed H) Acid rain forming puddles on limestone J) Coastal waves dissolving limestone sediments 40 OBJ 4 Limestone is a sedimentary rock consisting mostly of calcium carbonate (CaCO3). Which process is most likely to cause a chemical change to limestone? F) Freezing water cracking limestone G) Flowing water eroding a limestone riverbed H) Acid rain forming puddles on limestone J) Coastal waves dissolving limestone sediments 41 OBJ 4 A 500 mL quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300 mL. What is the ice cream’s approximate final density? 42 OBJ 4 A 500 mL quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300 mL. What is the ice cream’s approximate final density? 43 OBJ 4 A 500 mL quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300 mL. What is the ice cream’s approximate final density? 44 OBJ 4 A 500 mL quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300 mL. What is the ice cream’s approximate final density? 45 OBJ 4 Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? F) Sodium G) Potassium H) Strontium J) Rubidium 46 OBJ 4 Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? F) Sodium G) Potassium H) Strontium J) Rubidium 47 OBJ 4 Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? F) Sodium G) Potassium H) Strontium J) Rubidium 48 OBJ 4 Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? F) Sodium G) Potassium H) Strontium J) Rubidium 49 OBJ 4 Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? F) Sodium G) Potassium H) Strontium J) Rubidium 50 OBJ 4 • What is the most likely reason that each water molecule is arranged so that the oxygen part of the molecule faces a sodium ion? 51 OBJ 4 • Why does the oxygen part of the molecule faces a sodium ion? • Oxygen = Slightly NEGATIVE CHARGE so it is attracted to (+ ) charge of Sodium. 52 OBJ 4 53 OBJ 4 54 OBJ 4 • Based on the data, a solution that is both an acid and a strong electrolyte is — 55 OBJ 4 • Based on the data, a solution that is both an acid and a strong electrolyte is — SOLUTION 4 56 OBJ 4 The mass of a rusty bicycle is found to be slightly greater than the mass of the same bicycle before it rusted. The change in mass indicates that the rusting process — A) is a physical change B) involves an energy-to-matter conversion C) decreases the density of the metal D) involves metal bonding with other atoms 57 OBJ 4 The mass of a rusty bicycle is found to be slightly greater than the mass of the same bicycle before it rusted. The change in mass indicates that the rusting process — A) is a physical change B) involves an energy-to-matter conversion C) decreases the density of the metal D) involves metal bonding with other atoms 58 DISTANCE • DISTANCE = ___________ = ______________ 59 DISTANCE • DISTANCE = WIDTH= THICKNESS 60 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 61 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 62 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 63 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 64 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 65 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 66 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 67 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 68 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 69 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 70 OBJ 5 The speed of sound in human tissue is about 1600 m/s. If an ultrasound pulse takes 1.5 × 10 – 5 s to travel through a tissue, what is the thickness of the tissue? F) 2.4 km G) 2.4 m H) 24 cm J) 24 mm 71 OBJ 5 A tuning fork with a frequency of 256 Hz vibrates when struck. Because of these vibrations, a nearby tuning fork begins to vibrate without being struck. Which of the following best accounts for the vibration of the second tuning fork? F) Resonance G) Polarization H) Diffraction J) Refraction 72 OBJ 5 A tuning fork with a frequency of 256 Hz vibrates when struck. Because of these vibrations, a nearby tuning fork begins to vibrate without being struck. Which of the following best accounts for the vibration of the second tuning fork? F) Resonance G) Polarization H) Diffraction J) Refraction 73 OBJ 5 Which of these produces most of the compounds responsible for causing acid rain? F) Nuclear fission G) Fossil fuels H) Solar cells J) Windmills 74 OBJ 5 • Which of the following best explains how mercury from batteries before 1992 got into the environment? A) Newly batteries were transported long distances. B) Operating batteries increased the temperature of conductors. C) Used batteries discarded in landfills decomposed. D) Voltage loss occurred between battery terminals. 75 OBJ 5 • Explain how mercury from batteries before 1992 might have got into the environment? A) Newly batteries were transported long distances. B) Operating batteries increased the temperature of conductors. C) Used batteries discarded in landfills decomposed. D) Voltage loss occurred between battery terminals. 76 OBJ 5 A wet bar of soap slides 1 meter across a wet tile floor without appearing to slow down. why does the bar of soap fails to slow down? 77 OBJ 5 A wet bar of soap slides 1 meter across a wet tile floor without appearing to slow down. why does the bar of soap fails to slow down? An object in motion tends to remain in motion in the absence of an external force. 78 OBJ 5 The table contains data for two wrecking balls being used to demolish a building. What is the difference in momentum between the two wrecking balls? 79 OBJ 5 The table contains data for two wrecking balls being used to demolish a building. What is the difference in momentum between the two wrecking balls? 80 OBJ 5 The table contains data for two wrecking balls being used to demolish a building. What is the difference in momentum between the two wrecking balls? ZERO DIFFERENCE 81