Challenging Biology Problems with Detailed Answers

Which type of map is most likely to focus on boundaries between countries, states, and counties?
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The 3 letters we use to describe the type of energy in cellular respiration are _____
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What is a red tide ?
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a cell is taken from an environment that has a high salt concentration and is placed into an environment that does not contain any salt. what effect will the change in the environment have on the cell?
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Two different species of birds live in the same habitat would be the same type of nesting place. As a result, both species will
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My "Dream Man" should, first of all be very Tall and Active. He should have a physique like Demi Lovato , a profile like Chris Brown, and the intelligence of a/an Zebra. He must be polite and must always remember to Sweep my Floors, to tip his Boy and to take my Tongue when crossing the street. He should move Well, have a/an Strawberry voice, and should always dress Very. I would also like him to be a/an Active dancer, and when we are alone he should whisper Tall nothings into my Feet and hold my Too Handsome. I know a/an Cute is hard to find. In fact the only one I can think of is Dylan.tell me if you get it.
1 Answer
30. Which of the following statements is TRUE about protein? (1 point)The more protein and protein supplements you eat, the more muscle you will gain or maintainq Excess protein is stored by the body as fat.ChExcess proteins are stored as amino acids in the muscle tissue.O Protein is the primary source of energy for the body
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Explain how bacteria develop resistance to antibiotics
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Leah, LaRenda, and Gabi decide to test what factors influence waterabsorption by an egg. They remove the shell from 3 eggs by dissolvingthem in vinegar. They create three different water solutions. One is pure,100% distilled water, a second is 50% water/50% corn syrup, and the thirdis 100% corn syrup. The mass of each egg is measured before they are putinto a single solution for 24 hours. The mass of the eggs is then measured,and the data recorded below: Based on the data this group gathered, themost appropriate hypothesis would be
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Nadeau et al., (Royal Soc. B. 2007) Reconstructed dN/dS ratios for genes involved in sexually dimorphic plumage in pigeons and their relatives.i. Lets imagine that Nadeau et al., tested 5 genes, and got the followingdN/dS ratios:gene1: 0.01gene2: 0.05gene 3: 0.90gene 4: 1.01gene 5: 2.34Which gene has a dN/dS ratio that provides the strongest evidence of negative (purifying) selection?
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In flies dumpy wings and ebony bodies are each mutations recessive to wild type, and you expect them to behave in a Mendelian fashion. A dihybrid cross between two animals, each heterozygous for dumpy wings and ebony bodies (DdEe X DdEe) is performed with the following results: Wild type wings; wild type body 473 Wild type wings; ebony body 156 Dumpy wings; wild type body 149 Dumpy wings; ebony body 52You will ultimately explain these results using a Chi-squared test. (a) Begin by setting up a Punnett Square to predict the phenotypic classes and ratios. Use the results of the Punnett square to form a hypothesis on phenotypic ratios.(b) Perform the chi-squared analysis. Show work.(c) What conclusion can be drawn from this analysis?
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The chart shows characteristics of two groups of reptiles. Which headings correctly complete the chart?X: TurtlesY: CrocodiliansX: CrocodiliansY: TurtlesX: SnakesY: TurtlesX: CrocodiliansY: Snakes
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The ears are __ to the nose
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What type of ecological internal interactions exist between the hawk in the mole
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What is one advantage ofconvex mirrors for this use?
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um i need help please and thank you...
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How old is the earth
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Explain how scientists got the space station up in space. What problem did theyencounter and how was it solved?
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What is a mutation?A.When something goes unexpected in your bodyB.Permanent change in the DNA of a geneC.When you wake up with super powersD.When an organism has a genetic abnormality but survives
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Which consumer you think is a herbivore (eats plants only)?
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Wich action would most likely increase the amount of carbon in the environment
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An invasive species is an organism thats not native to a particular ecosystem but ends up invading the region. The populations of invasive species can rise sharply, in part because the species may not have natural predators to control their populations.The graph shows the population of an invasive tree species spreading through a region. This tree has an earlier reproduction and growing season than many of the native trees. Give three examples of how this tree could affect competition with the native species of plants and animals in the forest.
2 Answers
Which of the following is the best definition of Genetics?a.The passing of traits from parents to offspringb.A child can get different forms of a trait from their parentsc.The study of how traits are inherited through the interaction of allelesd.The study of how one trait can pass down through the generations
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what are invasive species?a.native species that have no predatorb.native species that prey on negative on nonnative species.c.nonnative species that do not survive d.nonnative species that are superior competitors
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