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Casey Phillips
Biology
Which was the original source of atmospheric oxygen? Question 4 options: autotrophs cooling of Earth's crust formation of the oceans volcanoes
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Jamir Hensley
Biology
57:23
a solution is a solution with as much dissolved solute as it can hold at a given temperature:
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Aspen Landry
Biology
Describe the water vascular system
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Johan Bautista
Biology
Why do you think Linnaeus did not include classification kingdoms for categories of archaea and bacteria?
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Guest
Biology
The nursing student is selecting a blood pressure cuff prior to obtaining a patient's blood pressure. what cuff width is appropriate to obtain an accurate blood pressure reading?
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Reagan Huffman
Biology
The layer of skin that is sometimes referred to as true skin is the:
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Phoenix Frazier
Biology
Which one of the following food contaminations would be suspected if the end of a can of tomatoes had begun to swell
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Guest
Biology
In a test cross, peas of an unknown genotype are crossed withpeas of a known genotype. In this example, smooth peas are theunknown and wrinkled peas are the known (rr). If half of theoffspring from that cross are smooth and half are wrinkled, what isthe genotype of the unknown plant?
A. Incomplete dominance
B. Homozygous dominant: RR
C. Homozygous recessive: rr
D. Heterozygous: Rr
E. The genotype cannot be determined from the informationgiven.
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Maggie
Biology
What variable influence the process of fermentation? A. Like aerobic cellular respiration, fermentation produces ATP molecules. B. Fermentation requires less oxygen then aerobic cellular respiration. C. The independent variable of the experiment was the type of sugar used to produce ATP. D. According to the experimental data, the preferred fuel choice is glucose. E. The rate of fermentation is greater when the fuel source is a disaccharide. F. The greater the amount of sugar used, the greater the rate of fermentation.
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Chi Chi
Biology
Precambrian rocks contain fossils of ancient fish. true or false?
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Noah Barnes
Biology
Which of the following units is used in the household measurement system?
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Salvador
Biology
What is used to determine phylogeny?
mutations
DNA
evolutionary history
organisms on earth
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Guest
Biology
Why were Archaea and Bacteria grouped together by biologists until recently?
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Deandre Vaughan
Biology
The physical appearance physical appearance of trait is called the of trait is called the
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Melissa Mcdowell
Biology
Which of the following is not a characteristic of enzymes?
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