Biology

Hyperion, the worlds tallest tree, is what species?.
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If a DNA sample has %22 T (thymine) , what are the percentages of the other 3 bases?
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Molecular techniques led to the reinterpretation of morphologically based phylogeny such that.
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Five major function of epithelium in the body and give example
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In Drosophila, the autosomal recessive brown eye color mutation displays interactions with the X-linked recessive vermilion mutation. Flies homozygous for brown and hemizygous or homozygous for vermilion have white eyes. Predict the F1 and F2 progeny of crossing these true-breeding parents: brown females and vermilion males.
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You are an organic being, and as such, you are part of the Carbon cycle. Describe your role as part of this cycle
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Each human cell has about a 1 meter length of DNA in its nucleus. Discuss the mechanisms by which this DNA ispackaged into the nucleus and organized in such a way that it does not get ripped apart during cell division:
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Explain how a decrease in water potential of the blood may damage red blood cells.
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Would water be produced or used up when proteins break apart into amino acids? Explain your answer by describing the reaction
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Explain the difference, if any, in the Mean Ventricular Potential and Axis under the two conditions
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the following base sequence occurs in bacteria gcg gaa gga gta atg tat aat cgc ctt cct cat tac ata tta when treated with a mutagen the sequence changes to gcg gaa gga ggt aat gta taa t cgc ctt cct gga tta cat att a what type of mutation is caused by the compound? select one: a. g:c to a:t transistion b. 2 frameshift c. 1 frameshift d. -1 frameshift
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The movement of alleles in and out of a population caused by individuals or gametes is known as.
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A cell's contents would be the same as its surrounds, were it not for ____
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Which of these groups of fruits are drupes? Pineapples, mulberries, and figs Oranges, lemons, and limes Plums, apricots, and coconuts Strawberries, blackberries, and raspberries Apples, pears, and quinces
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Leopards have spots to blend in with the patches of sunlight on the jungle floor.How might a trait like spots become more common in a population of leopards?A. Leopards get their spots by rubbing against each other. Eventually all leopardsin a population will have spots.B. Blending in helps leopards successfully hunt for food. Leopards with more foodare more likely to survive and pass on their spotted trait to offspring.C. An adult leopard develops more spots during its lifetime in order to competewith other leopards.
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explain how the pattern in the graph supports the claim that the genetic mutation for black fur was at some times harmful and at other times helpful to survive?
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The image below shows villi within a fold in the lining of the small intestine.An illustration depicts a series of villi in a fold in the lining of the intestine.What is the function of folds and villi? A. trapping food particles that flow through the small intestines B. increasing surface area to improve nutrient absorption between the digestive and circulatory systems C. allowing particles in the small intestines to flow from the jejunum to the ileum D. expanding volume to increase gas exchange from the respiratory system to the digestive system
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What are two criteria that alternative energy sources must meet?.
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When cloning an organism, who will the clone be most similar to: body cell donor, egg cell donor, or surrogate mother? Why?
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Describe the motion of the pulse with respect to the source
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The x-ray of a male's radius shows that both the distal and proximal ends have completed fusion to the diaphysis. the male is likely what age
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what is the difference between phylums
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The energy system predominantly involved during the whole duration of the race
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how do compartmentalization benefit cells? write three straight up answers.
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