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Biology
Biology
Middle School
the diagram above shows a process that can occur during meiosis the moat likely result of this process is...A.) a new combination of inherited traits that can appear in The Offspring B.) A increase in the chromosome number of the organism in which this process occursc.) an inability to pass either of these chromosomes onto The Offspring d.)A loss of genetic information that will produce a genetic disorder in The Offspring.
Biology
Middle School
Cross a bay stallion with a cream mare. List all offspring phenotypes as a percentage
Biology
Middle School
Which measures the amount of kinetic energy of the particles that make upa substance?OA) massOB) volumeOC) distanceOD) temperature
Biology
High School
Albinism is a recessive disorder in which the skin and hair fail to produce pigment. The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism. The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.According to the pedigree above, who is a not a carrier of albino?A. AaronB. BillC. BrandonD. All of the above are carriers of albino
Biology
Middle School
2. Which of the following is a heterotroph?a. Dirtb. Pumpkinc. Catd. Flower
Biology
High School
Epigenetics usually refers to heritable changes in the expression patterns of chromatin. Is it appropriate to refer to this term to describe changes that occur during memory formation?
Biology
Middle School
an equation that shows how an objects acceleration relates to its mass
Biology
Middle School
we cannot see properly when we come out in dark room from a bright place . why
Biology
Middle School
Hermione's possible genotypes are MMss or MM'ss. What are possible genotypes of Hermione's parents who are muggles?
Biology
High School
Insect wings may have begun to evolve as lateral extensions of the body that were used as heat dissipaters for thermoregulation. When they had become sufficiently large, these extensions became useful for gliding through the air. Additional selection refined them as flight-producing wines. If this hypothesis is correct, modern insect wings would be an example of _ .58) A) an adaptive radiation B) mutations C) the loss of Hox genes in the evolution of new form D) an exaptation
Biology
Middle School
Explain why a rock pocket mouse color influence its overall fitness. Remember that "fitness" is defined by an organisms ability to survive and produce offspring in its environment
Biology
High School
In a medium where lactose is the only carbon source, transcription of the lac operon is _______, because lac repressor is ________ to the ________.
Biology
College
Which of the following is the best explanation for why cells are considered the smallest units of living things. Cells have the ability to reproduce identical copies of themselves in a process called mitosis. Cells cannot be seen with the naked eye and are considered microscopic. Cells are the simplest structure to fit all of the characteristics necessary to be considered alive. Cells are highly ordered and complex.
Biology
High School
Why can the boundary layer surrounding a photosynthetic organism make it difficult for the organism to obtain the carbon dioxide it needs for photosynthesis?
Biology
Middle School
Language: English EspaolMEIOSISMeioticDivision 1DNAReplicationand RecombinationCellDivision 1MeioticDivision 200:00:43CellDivision 2OD ODSAt the end of meiosis II, how does the DNA in each of the four new cells compare to the DNA from the original cell?
Biology
High School
A heterozygous y'all yellow plant is crossed with a homozygous short green. What will be the genotypes and phenotypes, and probabilities of the first generation?
Biology
High School
In an experiment described in your text, scientists were collecting data in an attempt to understand factors impacting the proliferation and success of the chytrid fungus pathogen that has dramatically impacted frog populations globally. In the graph pictured, scientists observed that frog species with higher average body temperature tended to have lower infection rates. Is this observational study analytical or descriptive?
Biology
High School
You are filling up a glass with cold water in the sink and are not paying close attention. You notice the water is filling very quickly, so to stop it from overflowing, you turn off the faucet. Luckily, you stop the water just in time, but you notice that the water at the top of the glass is not perfectly flat. Instead, it forms a convex shape over the top of the glass. What causes this?
Biology
Middle School
which activity might a scientist do as part of the scientific process? apexA.) Make a testable hypothesisB.) Hide experimental dataC.) Make unsupported claimsD.) Answer ethical questions
Biology
Middle School
15. How can molecular clock data help us in the battle against infectious disease?Meus
Biology
Middle School
In areas where kelp is abundant, sea urchins can be found. If sea otters live in the same ecosystem as the sea urchins, the equilibrium of the kelp forest can be maintained. Based on the food chain, how is the kelp equilibrium MOST likely maintained?
Biology
Middle School
Percentage ofTrees Remaining201020152020202520302035YearWhat would a graph of oxygen production look like for this forested area?OA. Aline that is increasingOB. A line that is decreasingOC. A line that is leveling outOD. A line that is slowly rising
Biology
High School
A company is debating whether to enter a new industry. The first order of business is to conduct an analysis of the five forces. Why is this a crucial first step in the decision-making process of entering a new industry?
Biology
Middle School
4 While surveying his apple trees, a farmer discovers a particular tree that produces apples with perfect size, color, and flavor. To reproduce this plant, he removes a twig from the tree and attaches it to the stem and root system of a growing apple tree in a process called grafting. The tree will continue to grow and will later produce apples. Why does he use this method instead of planting an apple seed from the tree with ideal apples? A. The twig contains the genetic material of the parent tree and will eventually produce identical apples. B. The apple seed will grow into a tree that is not identical to the parent tree. C. The apple seed contains a mixture of genetic material from two trees. D. all of these This is on study island
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