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Biology
Adonis Ellison
The soft parts of dead plants and animals do not often become fossils becuase they decompose rapidly. List three substances that might prevent decay
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Biology
Tianna Woodard
Concentrations are elevated by hot, sunny days: 2. increases exposure of organisms to ultraviolet light: 3. caused by halocarbons, such as chlorofluorocarbons (cfcs) : 4. forms from emissions of sulfur dioxide: 5. montreal protocol aimed to reduce emissions that cause this: 6. a reaction between pollutants and atmospheric compounds that creates over 100 different chemicals: 7. leaches plant nutrients from soils: 8. most pronounced in cities prone to inversion events:
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Biology
Karly Baxter
Is an apple core biodegradable?
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Biology
Adalynn Berg
Why is zachs hair dark like his mothers and not bond like his fathers
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Biology
Jesse Nicholson
What is Atlcin's diet and how does it work?
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Biology
Maleah Rhodes
Which statement is incorrect? Group of answer choices All of the following are correct Muscle cells are surrounded by a branching network of transverse tubules. Each muscle fiber is densely packed with myofibrils composed of contractile and elasted proteins. Muscle cells are called muscle fibers. The cell membrane of a muscle fiber is the sarcolemma
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Biology
Mckee
What event occurs when a microbe acquires a genc mutation that allows it to resist the effects of a. Virulence b. Infection c. Antibiotic resistance d. Placebo effect
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Biology
Halle Duffy
What type of smoke screen provides a thick, vertical barrier between enemy and friendly troops?
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Biology
Estrella Gibson
A student has a microscope with a 10x eyepiece and 10x and 40x objectives.
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Biology
Guest
How would acidification of seawater affect marine organisms?
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Biology
Melany French
If, in one population of pupfish all of the individuals have a blood pigment that is extraordinarily effective at carrying oxygen, but this trait is not seen in any of the other populations, what likely happened?
A) Because oxygen was low where these pupfish lived, a new allele for an effective blood pigment arose.
B) This population was lucky to have an individual with a random mutation for an effective blood pigment, and the frequency of this allele was increased in subsequent generations through natural selection.
C) The ancestral population probably had this type of blood pigment, but it was lost through genetic drift in the other 29 populations.
D) The other populations did not need this pigment, so they did not evolve it.
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Biology
Charlee Middleton
how do environmental factors affect the variation and distribution of expressed traits in a population?
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Biology
Guest
Approximately how much principal would need to be placed into an account earning 3.575% interest compounded quarterly so
that it has an accumulated value of $68,000 at the end of 30 years?
a $23,706
b. $23,377
$52,069
d. $58,944
C
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Biology
Simon Sanchez
What is the difference between transitional and pseudostratified epithelial tissues
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Biology
Henry
How can competitive and noncompetitive inhibition be distinguished in terms of KM? a. The apparent value of KM decreases with a competitive inhibitor, while it remains unchanged with a noncompetitive inhibitor.
b. The apparent value of KM increases with a competitive inhibitor, while it decreases with a noncompetitive inhibitor.
c. The apparent value of KM increases with a competitive inhibitor, while it remains unchanged with a noncompetitive inhibitor.
d. The apparent value of KM remains unchanged with a competitive inhibitor, while it increases for a noncompetitive inhibitor.
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