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What is the cell cycle? Question 11 options: Repeating series of stages a dividing cell goes through The time a cell spends actively dividing Process of duplication of genetic material Repeating proce
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What are the three isotopes of carbon and how many protons and neutrons do they each have? Which isotope of carbon is not stable
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_______________ has already caused the extinction of a large number of insect species on the tropical island of Madagascar. That, in turn, has lead to the near extinction of the lemur.
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George observed a difference in measurements for the same item at different altitudes due to variation in gravity witch type of scale did he likely use
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In a physical assessment, the heart rate is determined by palpating the pulse in the ________ artery in the wrist.
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A patient is being discharged to home on a single daily dose of a diuretic. the nurse instructs the patient to take the dose at which time so it will be least disruptive to the patient's daily routine
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Actual lengths of stay at a hospitals emergency department in 2009 g calculate the mean and variance
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Which statement accurately describes natural selection? A. It ensures that 100 percent of beneficial traits will pass on to the next generation. B. It ensures that all individuals with harmful traits
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One of the differences between embryonic stem cells and adult stem sells is: A. Embryonic stem cells are multipotent B. The extraction of embryonic stem cells destroys the embryo C. The extraction of
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How is the mechanism for hearing in the cochlea is similar to the mechanism for balance in the maculae?
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Medical professionals wear lead aprons to protect themselves from x-rays because prolonged or repeated exposure can cause mutations in DNA which can lead to
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Explain the purpose of a trial and the roles of those in the courtroom (including the judge, prosecutor, defense attorney, and scientists).
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A single lion is an example of which level of organization? A. Organism B. Population C. Community D. Ecosystem
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An element that the main component of atmospheric air and plays an important role in any ecosystem: this is needed by all organisms to form proteins, ATP, and nucleic acids
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(based on Igneous, Sedimentary, and Metamorphic rocks) 1. How would you describe the characteristics of each rock type? What characteristics of one or more rocks in each group give clues about how tha
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A newborn baby dies soon after birth because her diaphragm and rib cage muscles failed to contract and she was unable to breathe on her own. examination of the baby's dna revealed that she had a genet
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A fishing method called, ____ fishing, is used to catch surface-dwelling species such as tuna, mackerel, anchovies, and herring, which tend to feed in schools near the surface or in shallow areas.
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Describe the relationship between substrate and the product. what happens when you increase the amount of substrate? predict what would happen if you used 20.g of substrate and explain your reasoning
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What is another term for the calories used to process food? why isn't this aspect of metabolism a significant part of a weight loss plan?
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The nurse is counseling a family whose child has autism. when describing this condition, which would the nurse most likely include
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Test question: on the day of surgery, a patient with diabetes who takes insulin on a sliding scale is to have nothing by mouth and all medications withheld. the patient's 6 am glucose level is 300 mg/
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Social ________ denotes that the mere presence of other people in your environment affects your behavior
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Letti is having a problem in her experiment that she does not know how to solve. In order to move forward, Letti needs to be .
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Suppose that there is a town called Cellville. What cell organelle would have a similar purpose to the roads throughout the town? A) ribosomes B) Golgi body Eliminate C) chloroplasts D) endoplasmic re
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A neap tide occurs during what lunar phases? Any phase First and third quarters New moon and first quarter Full moon and last quarter
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1. Global climate is determined _________. A. completely by greenhouse gas emissions from human activities. B. by clouds reflecting all of the Sun's energy back into space. C. by the transfer of solar
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What is a major benefit of schooling? reproduction hydrodynamic efficiency division of labor aerodynamic efficiency
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The Punnett square below represents a cross that produced two plants with orange flowers. If the orange color of the flowers is a result of incomplete dominance, what color were the flowers on the par
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After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body? Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is
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Norepinephrine, which elevates heart rate and other vital signs, is more abundant when the __________ nervous system is activated.
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In part c you identified the portion of the mrna sequence (5'...aggagg...3') that base pairs with the 16s rrna. where do you expect to find the start codon in relation to this sequence?
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When a cell duplicates, dna is copied and identical genomes are then present in the newly formed daughter cells. the process of copying the genome is called _____?
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Which activity primarily uses the immediate energy system? walking running a marathon weight lifting in-line skating?
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Animals need various nutrients in order to live and grow. Nitrogen, for example, is a nutrient that is needed to form molecules, such as DNA and RNA. How do animals obtain nitrogen?
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Convection currents in the Earth’s mantle are responsible for the movement of tectonic plates. As shown in the diagram, heat from the Earth’s core is the driving force that moves magma in a circul
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Is "Does the presence of detergent in water affect plant growth" a good science fair project for 9th grade? What are other good science fair projects for 9th grade and above that?
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Biology Literature Review For your post you will need to find an appropriate peer-reviewed article on human mate choice. The article should be a primary research article (Links to an external site.)Li
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Which statement is correct? Theories are accepted as true when a single experiment yields similar results to another one. When a scientist finds a new way to test a hypothesis, experimental methods do
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Sandra is conducting an investigation on soil. She poked several small holes in the bottoms of three plastic cups and filled one with sand, one with clay, and one with loam. She set each cup of soil i
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After glucose occurs the products may enter the Krebs cycle which major products result from these reactions A. NAD+ and FAD B. ATP and NADH C. ATP, FADH2 and NADH D. pyruvic acid and ATP
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Imagine you just ate a candy bar. research your body's hormonal response to this increase of sugar (glucose) in your bloodstream. in your laboratory journal, take notes on the steps your body goes thr
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In the future, a planetary crisis such as severe global climate change may force human kind to travel across the galaxy looking for a new home. suppose in the year 2317, a group of 507 human pioneers
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A typical essay has how many paragraphs? these paragraphs are divided into three separate sections. what are these three sections called?
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A researcher wishes to determine exactly when a particular neuron is firing. a technique well suited to this purpose is
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After suffering an accidental brain injury, kira has difficulty walking in a smooth and coordinated manner. it it most probable that she has suffered damage to her:
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Why is it recommended that gram staining be performed on young bacterial cultures (not older than 24 hours)?
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What is the probability that a woman in labor, who is slow to progress and who has an abnormal reading from the ultrasound (i.e., a positive reading), will actually have a ruptured uterus and should b
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Why is using rna as a template for protein synthesis instead of translating proteins directly from the dna advantageous for cells?
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Red algae share the characteristics of ___________ (mechanism of nutrition) and the photosynthetic pigment _______ with green algae. however they so not share the characteristics of _________ (a photo
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Label the graphs depicting the effects of normokalemia, hypokalemia, and hyperkalemia on neuron excitability.
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